ironSource Alternatives for Mobile UA: Where to Spend When the Network Consolidates

UA teams running Meta or TikTok paid at $15–25 CPM while organic short-form distribution sits at $0.50 CPM — that gap alone should reframe how you think about your post-ironSource stack. The merger didn't just change a brand name. It compressed meaningful competition in programmatic mobile UA, and the teams that respond by simply swapping one paid network for another are solving the wrong problem.

This is a framework for UA leads who want to rebuild intelligently — not just plug a vendor hole, but actually lower blended CAC while maintaining scale.

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What the Unity-ironSource Merger Actually Did to Your UA Stack

When Unity absorbed ironSource in 2023, the combined entity controlled a meaningful slice of in-app programmatic inventory — particularly in mobile gaming. The headline pitch was unified ML across creative, bidding, and mediation. The reality for most UA teams was simpler: fewer competing buyers on key inventory, which means prices move in one direction.

CPM inflation and inventory concentration risk

Consolidation in ad networks follows a predictable pattern. When two buyers merge into one, the auction dynamics that kept CPMs honest disappear. UA leads running ironSource pre-merger reported CPMs in the $3–8 range for mid-core gaming placements. Post-consolidation, the effective rate for equivalent inventory drifted upward as the arbitrage that once existed between ironSource and Unity evaporated.

The deeper issue is inventory concentration. When a single entity controls both the supply-side (mediation) and the demand-side (DSP), they set the floor. You can optimize bids all day, but you're optimizing inside someone else's pricing room.

Why relying on one programmatic giant is now a strategic liability

This isn't an argument against Unity. It's an argument against single-network dependency at any scale. When one network represents more than 40–50% of your paid UA spend, you've outsourced your CAC to their product roadmap and their pricing committee.

The UA leads who came out of this transition cleanest were the ones already running diversified stacks — Applovin MAX as a secondary, some Moloco testing, and increasingly, a non-paid layer that operates outside the programmatic auction entirely. That last piece is where the real structural advantage is being built right now.

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The Criteria That Actually Matter When Evaluating a Network Switch

Before you look at any vendor list, agree internally on what you're actually buying. Most post-ironSource RFPs conflate scale, quality, and cost in ways that lead to bad decisions.

Verified impressions vs. reported impressions: the gap most teams ignore

Every network reports impressions. Almost none of them define what an impression means with the same rigor. Viewability standards vary. Bot traffic filtration varies wildly. Some networks count a served impression as a billable impression regardless of whether a human being was in the room.

The benchmark that matters: are you paying for verified human impressions, or reported ones? The gap between those two numbers can run 20–40% on lower-quality inventory. A $5 CPM on clean inventory is cheaper than a $3.50 CPM with 30% bot contamination.

CPM efficiency vs. volume: finding the right tradeoff for your funnel

Volume without efficiency is just burn. A network that delivers 500M impressions at a 0.8% CTR is less valuable than one delivering 200M at 1.8% — assuming your creative is calibrated to the format. The shift you're looking for isn't always the cheapest CPM; it's the best CTR-adjusted cost per qualified click at your target install volume.

This is why organic distribution deserves a place in the evaluation framework alongside paid networks, not after them. The CPM comparison across paid and organic channels changes the math at every stage of the funnel.

Attribution compatibility and creative format flexibility

Any network you evaluate needs to be compatible with your MMP of record — AppsFlyer, Adjust, Singular — without creating attribution conflicts that inflate your reported install numbers. This is a practical filter, not a strategic one, but it eliminates several second-tier networks quickly.

Creative format flexibility matters more than most UA leads budget for. If a network only supports static banners and 15-second interstitials at scale, your ability to test UGC-style creatives or short-form video formats is structurally limited. That becomes a real constraint when organic short-form distribution is outperforming traditional ad formats on watch time and recall.

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Paid Network Alternatives: Applovin, Moloco, Digital Turbine and the Real Tradeoffs

Here are the established paid alternatives worth evaluating, with honest assessments of where each one breaks down.

Applovin MAX: strong scale, rising CPMs post-consolidation

Applovin MAX is the most direct Unity/ironSource alternative for gaming and mobile app UA. The ML bidding engine is genuinely strong, the mediation layer is mature, and the reach into mid-core and hyper-casual inventory is real.

The tradeoff: Applovin's success made it expensive. Post-consolidation, as UA teams migrated spend to MAX, CPMs followed. You're not escaping the inflation problem by switching to Applovin — you're relocating it. For high-LTV verticals with room to absorb $8–15 CPMs, it works. For casual gaming or apps with tight CAC targets, the margin erosion is real.

Moloco: ML-driven bidding with transparent pricing

Moloco runs a pure ML bidding model with first-party data integration and more transparent pricing than most in-app networks. For teams that want to understand what their bidding algorithm is doing — rather than trusting a black box — Moloco's reporting structure is genuinely different.

The scale ceiling is lower than Applovin. If you're running global UA at nine-figure impression volumes, Moloco supplements but doesn't replace. As a test channel for performance validation and a complement to MAX, it earns its place in the stack.

Digital Turbine: device-level placement, niche but high-intent

Digital Turbine operates at the OEM layer — pre-install placements baked into device setup flows. The intent signal is different from in-app programmatic; users in device activation are genuinely evaluating what to put on a new phone. For app categories where first-install matters (utilities, launchers, productivity tools), the conversion rate on Digital Turbine placements is disproportionately high relative to CPM.

The niche is real but narrow. If your category doesn't benefit from device-level placement, Digital Turbine adds complexity without material volume.

Network	Average CPM Range	Scale Ceiling	Best For
Unity (post-merger)	$6–15	Very High	Mid-core gaming, rewarded video
Applovin MAX	$7–15	Very High	Gaming, casual-to-mid-core
Moloco	$4–10	Medium	Performance-focused, transparent bidding
Digital Turbine	$3–8	Low-Medium	OEM placements, first-install categories
Organic Distribution (Floods)	~$0.50	Very High	Awareness, blended CAC reduction, all verticals

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Why UA Teams Are Adding Organic Short-Form Distribution as a Paid-Media Multiplier

The frame here is additive, not replacement. Organic short-form distribution doesn't replace Applovin or Moloco. It makes every dollar you spend on them work harder by warming the audience before the paid impression fires.

The attention math: 9,000 organic videos watched per user per month vs. 900 ads

The average user watches 9,000 organic videos a month. Only 900 of those are ads. That means 8,100 impressions per user per month exist entirely outside the programmatic ecosystem you're fighting over.

Those 8,100 impressions are scroll-native, non-interruptive, and consumed at 80%+ average watch time — compared to the sub-30% completion rates typical of in-app interstitials. The audience is the same. The attention quality is higher. The cost to reach them organically is a fraction of what you're paying programmatically.

UA teams that understand incrementality recognize this immediately: if organic impressions create brand familiarity before a paid ad fires, the paid ad converts better. That's not a hypothesis — the lift numbers from organic-to-paid sequencing are measurable.

How organic reach lowers blended CAC before a single paid impression fires

Blended CAC is the number that actually matters to your CFO. Individual channel CPI is a component; blended CAC is the output. When you run organic distribution at $0.50 CPM across 5B+ verified impressions per month, you're building brand familiarity at a cost that doesn't show up as a line item in your paid network spend — but shows up very clearly in your conversion rates when paid kicks in.

The mechanism: warm audiences convert at higher rates. Paid impressions served to users who've seen your brand organically have higher CTRs, lower CPIs, and better downstream LTV cohorts. The organic layer isn't a vanity channel — it's a pre-purchase infrastructure investment.

Demonstrated lift: CPI down 33%, CTR up 75%, ROAS from 1.4x to 2.3x

These aren't projections. In measured campaigns where organic short-form distribution ran alongside paid UA, the documented results were:

• CPI: $4.20 → $2.80 (↓33%)
• CTR: 1.2% → 2.1% (↑75%)
• ROAS: 1.4x → 2.3x (↑64%)

A 64% ROAS lift on the same paid budget is the kind of number that justifies budget reallocation at a board level. The organic layer didn't replace the paid network — it multiplied its output.

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How Floods Operates as Infrastructure, Not Influencer Marketing

Floods is not an influencer platform. The distinction matters for how you evaluate it, how you budget for it, and what you report to your leadership.

Influencer marketing hands creative control to individual accounts with individual audiences. You negotiate per creator, you can't guarantee impressions, and you can't verify what you're actually buying.

Floods is infrastructure. We run the largest organic short-form distribution network — 50+ collaborators, operating across TikTok, Instagram Reels, YouTube Shorts, and X. The network is owned and operated by Floods, not aggregated from individual creator negotiations. You're buying verified distribution at network scale, not an individual creator's follower count.

50+ collaborators, 5B+ verified impressions per month, $0.50 average CPM

The network delivers 5B+ verified impressions per month with an average CPM of approximately $0.50 on a half-screen split format. Total delivery to date: 35.7B+ views. Average watch time on Floods content: 80% — a number that in-app ad networks can't approach.

These aren't projected reach numbers from a media kit. They're verified impressions with a three-layer verification stack.

3-layer impression verification: no bots, no wasted budget

Impression verification runs at three stages: pre-campaign (inventory audit), during delivery (real-time bot filtration), and post-campaign (reconciliation against verified human impressions). Bot traffic is filtered before billing. You pay only for net verified human impressions.

This matters more than most UA teams realize. The programmatic networks you're evaluating — including the paid alternatives above — operate on industry-standard viewability metrics that still allow a meaningful percentage of non-human traffic through. When you're paying $10+ CPM, that contamination is expensive.

Fixed CPM model vs. $15–25 on Meta and TikTok — the 20-50x cost gap

The paid social CPM benchmark for mobile gaming UA on Meta and TikTok runs $15–25. Floods operates at ~$0.50 CPM — a 20–50× cost gap for verified impressions with higher average watch time.

At that CPM differential, the math for testing is straightforward. A $25,000 test budget buys 50M impressions at Floods CPM rates vs. 1–1.7M impressions at paid social rates. The incremental brand familiarity you're building per dollar spent is in a different order of magnitude. Explore the full CPM breakdown across organic and paid channels.

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Benchmarking at Scale: What Organic Distribution Actually Delivered

CPM claims are easy to make. Here's what the network actually delivered in verified campaigns.

Stake: 12.4B views, $0.42 CPM — what that looks like against any paid network benchmark

Stake ran a campaign through Floods that delivered 12.4B views at a $0.42 CPM, for a total spend of $5.04M. Put that against any programmatic benchmark you're currently running. 12.4B verified impressions at $0.42 CPM is not a rounding error — it's a structural advantage.

At Applovin MAX's post-consolidation CPMs of $8–12, the same $5.04M buys 420–630M impressions. Floods delivered 19–29× more reach for the same budget, with 80% average watch time. For brand familiarity and top-of-funnel awareness at scale, those numbers are difficult to argue against.

Rainbet: 4.2B views, $0.51 CPM — repeatability across campaigns

Rainbet followed with 4.2B views at a $0.51 CPM and $2.14M total spend. The CPM is marginally higher than Stake, but still 30–50× below paid social benchmarks. More importantly, the Rainbet campaign demonstrates that the $0.42–0.51 CPM range isn't a one-off anomaly — it's the operational range of the network at scale.

Repeatability is what separates infrastructure from lucky placement. Two campaigns, combined 16.6B views, both pricing in the same band. That's a network operating at consistent efficiency, not a favorable auction outcome.

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Building a Post-ironSource UA Stack: Paid Networks + Organic Infrastructure

The post-consolidation UA stack for a mobile app or game isn't about finding the single best ironSource alternative. It's about building a stack where each layer does what it's structurally best at.

Where organic distribution sits in the funnel relative to Applovin or Moloco

Organic distribution operates at the top of funnel — awareness, familiarity, brand search lift. Paid networks (Applovin, Moloco) operate at mid-to-lower funnel — driving installs, re-engagement, ROAS-positive conversion.

The sequence matters: organic impressions warm the audience, paid impressions convert them. Running paid-only misses the 8,100 organic scroll slots per user per month and pays full price for cold conversion. Adding the organic layer reduces the temperature gap your paid budget has to overcome.

Budget allocation logic: what percentage to shift to test organic lift

A reasonable test allocation for a UA team currently spending $50K–$200K/month on paid networks: 10–15% of total budget redirected to organic distribution for 60–90 days, with blended CAC and paid CTR as the primary measurement KPIs.

At Floods' $0.50 CPM, a $15,000 allocation buys 30M verified impressions. That's enough volume to detect CTR lift on paid channels running simultaneously. If the paid CTR lift replicates the documented 75% improvement, the ROI on the organic allocation pays out in reduced CPI within the same budget cycle.

Geo-targeting and brand-safety considerations across TikTok, Reels, Shorts and X

Floods delivers geo-targeted campaigns across TikTok, Instagram Reels, YouTube Shorts, and X — the four platforms where short-form organic attention is concentrated. All campaigns run through official partnerships with Meta, Google, TikTok, and Snapchat, which means brand-safe, compliant delivery without the creator-vetting overhead that fragmented influencer campaigns require.

Geo-targeting lets UA teams concentrate organic impressions in markets where paid CPMs are highest — typically Tier 1 US, UK, AU — and test whether organic pre-warming creates measurable paid efficiency gains in those specific markets before scaling globally.

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The Strategic Risk of Waiting: Why Most Categories Are 18 Months Behind on This

The organic short-form distribution playbook isn't new. The infrastructure for mobile gaming and iGaming UA to run it at scale is new — and most categories are approximately 18 months behind the early movers.

iGaming moved first — Stake put $80M+ into organic short-form in 2025

Stake committed $80M+ to organic short-form distribution in 2025. That's not a test budget — that's a strategic bet on organic reach as primary infrastructure for brand growth and UA efficiency. Stake's 12.4B views at $0.42 CPM weren't an experiment; they were the execution of a thesis that organic distribution at scale is structurally cheaper and more defensible than programmatic alone.

The pattern tracks across other categories: Tesla scaled for years on organic distribution that dwarfed any paid campaign. ChatGPT reached 100M users in two months on essentially zero paid spend. Squid Game broke viewership records on the back of TikTok organic clips. The mechanism — earned, native impressions that compound — is category-agnostic.

The infrastructure gap that kept other verticals out until now

The reason mobile gaming and iGaming moved first isn't that they're smarter. It's that the infrastructure for organic short-form distribution at verified, billing-grade scale didn't exist for other verticals. Creator aggregation was fragmented. Impression verification didn't exist. Fixed CPM pricing wasn't available.

That infrastructure gap is what Floods closed. The network that delivered 35.7B+ all-time views is operational now, with fixed CPM pricing, 3-layer verification, and geo-targeting — for any vertical running mobile UA.

The UA teams running ironSource alternatives evaluations right now are mostly comparing paid network A to paid network B. The ones who build the organic layer into their stack in the next 6–12 months will have CPM benchmarks and blended CAC numbers that the late movers won't be able to replicate at the same cost. First-mover advantage in distribution infrastructure is real, and the window is open.

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The Bottom Line

• The Unity-ironSource merger reduced meaningful CPM competition — swapping one paid network for another doesn't solve the underlying inflation problem.
• Paid alternatives (Applovin, Moloco, Digital Turbine) each have real tradeoffs at scale — none eliminate the structural cost pressure from programmatic consolidation.
• Organic short-form distribution at $0.50 CPM operates 20–50× cheaper than paid social, with verified campaigns delivering 12.4B views (Stake, $0.42 CPM) and 4.2B views (Rainbet, $0.51 CPM).
• Adding organic distribution as a paid-media multiplier — not a replacement — produced a documented 33% CPI reduction, 75% CTR lift, and 64% ROAS improvement in measured campaigns.
• The infrastructure is available now, across TikTok, Reels, Shorts, and X, with 3-layer impression verification and geo-targeting. The 18-month window before this becomes standard practice is closing.

If your UA stack is still paying $10–15 CPM to reach audiences who've never seen your app organically, you're converting cold traffic at full price every single day. See what organic distribution looks like for your UA stack →