Oleg Shlyamovich

CEO & Co-Founder, CAS.AI — Mobile Ad Monetization & Game Publishing

“Building the independent ad mediation platform for 5,000+ apps worldwide”

About

Oleg Shlyamovich is the CEO and co-founder of CAS.AI, a mobile ad mediation and game publishing platform trusted by 5,000+ apps worldwide. With over 9 years of experience in mobile game development and ad monetization, Oleg has overseen the growth of CAS from a kids’ games studio (PSV Games, founded 2014) into a global publishing and mediation platform processing 1 billion+ monthly ad impressions.

Under his leadership, CAS.AI has published 200+ games with 5 billion+ total downloads, built an independent ad mediation SDK supporting 20+ networks and 150+ DSPs, and developed a publishing model that invests up to $1M/month in user acquisition. The company operates offices in Berlin, Kyiv, Dubai, Limassol, and Krakow with a team of 150+ professionals.

Oleg specializes in ad monetization strategy, hybrid bidding (waterfall + RTB), impression-level revenue data (ILRD), ROAS optimization, and data-driven game scaling. His practical approach combines deep technical knowledge with hands-on experience managing a portfolio of hundreds of live titles across every genre.

Oleg regularly speaks at international game industry events including White Nights Berlin, Games Gathering Kyiv, Google AdMob Summit Dubai, and Talents in Games. He shares insights on mobile monetization trends, UA economics, and the evolving ad tech landscape.

Areas of Expertise

Mobile App Monetization Ad Mediation & RTB Mobile Game Publishing User Acquisition & ROAS Hybrid Monetization (IAP + IAA) Impression-Level Revenue Data (ILRD) SDK Architecture Game Analytics & KPIs

Speaking & Events

App-ads.txt: Don't Add This — How Game Devs Lose eCPM and Traffic CAS.AI Channel — 2026
Why 99% of Mobile Games Fail to Scale After Launch CAS.AI Channel — 2026
Google AdMob Summit Dubai — 2025
10 Awesome Hacks of Ads Monetisation Digital Dragons Conference — Krakow, Poland — 2022
Mobile Games for Kids: 2M Daily Players & Ad Mediation Tochka G — IT Business Podcast — 2022
White Nights Berlin — 2022
Talents in Games Online — 2022
Games Gathering Kyiv — 2021
Ad Mediation in Mobile Apps ASO Secrets Conference — 2020

Articles by Oleg Shlyamovich

A side-by-side comparison banner featuring the logos of Google AdMob and InMobi mobile ad networks.

AdTech & Monetization

AdMob vs InMobi

AdMob and InMobi solve different problems. AdMob leans on Google Ads demand to deliver strong eCPMs across the US, UK, Germany, and Australia, with easy Firebase integration and broad format support. InMobi runs independently, connecting to 150+ DSPs through its own RTB exchange, and it wins in India, Indonesia, Vietnam, and Japan — often reversing AdMob's Tier-1 advantage in those markets. Payout timing differs too: AdMob runs net-21, while InMobi ranges from net-30 to net-60 depending on account tier. Neither network discloses exact revenue share, though third-party estimates put both around 30–40%. The takeaway: geography decides the winner, not brand reputation. Apps with mixed APAC and Western traffic get the most value from running both networks through independent mediation, where every impression is auctioned to the highest bidder rather than routed down a fixed waterfall.

January 16, 2026 9 min read

AdTech & Monetization

AdMob vs Appodeal

AdMob or Appodeal? Wrong question. AdMob gives you Google's massive advertiser pool and dead-simple setup, the safe default for most Android developers. Appodeal skips the single-network trap entirely, running 70+ demand sources through BidMachine's in-app bidding auction. Neither wins outright: AdMob's auction favors its own demand, and Appodeal's real fee rate stays undisclosed. Format matters too; AdMob's banners and App Open ads pull strong Tier-1 CPMs, while Appodeal's rewarded video and interstitials often edge ahead. Payout speed splits them further: AdMob pays Net 21, Appodeal Net 30-60. The real fix isn't picking a side. Drop both into an independent mediation layer and let Google demand and Appodeal's network compete for every single impression. Apps that switch to neutral mediation typically see ARPU jump by 1.5-2x compared to any single network. Test it risk-free: if revenue dips, the platform covers the gap.

January 15, 2026 8 min read

AdTech & Monetization

AdMob vs Unity Ads

AdMob vs Unity Ads comes down to your app's format mix, not brand loyalty. Unity Ads wins on rewarded video and playables, especially for Unity-built games in Tier-1 markets, think $15–30 eCPMs in the US, UK, and Japan. AdMob pulls ahead on banners, app opens, and native, with broader fill across Tier-2 and Tier-3 geos where Google's advertiser pool runs deeper. Neither network should stand alone: running both through independent mediation lets each format go to whoever bids highest, closing the revenue gap a single network leaves on the table. Payout speed differs: AdMob pays Net 21; Unity Ads, Net 30–45. Apps that move from single-network to independent mediation typically see ARPU jump 1.5–2x, since every impression finally has real competition setting the floor. CAS.AI plugs into both networks and 150+ DSPs through a single SDK, with a no-loss guarantee and payouts starting on Day 5.

January 14, 2026 9 min read

AdTech & Monetization

AdMob vs AppLovin MAX

AdMob and AppLovin MAX dominate mobile ad monetization for a reason. AdMob is Google's own network, fast to set up, backed by the world's largest pool of advertisers, and the default starting point for most apps. AppLovin MAX is the leading independent mediation platform, built for teams who want first-price auctions, granular floor controls, and maximum eCPM on full-screen formats. Both networks have muscle. Both have gaps. AdMob wins on simplicity and Google demand; AppLovin MAX wins on live bidding and full-screen eCPM, especially for rewarded video and interstitials in Tier-1 markets. But neither wins everywhere. If you want max revenue, don't pick sides; make them compete for every impression. Run both in a neutral mediation layer, and the highest bidder wins each auction, every time. Here's where each network wins, where they fall short, and what real data shows head-to-head.

January 10, 2026 7 min read

Publishing

Mobile Game Publishing: The Growth Workflow We Use at CAS.AI

Mobile game publishing at CAS.AI is built for scaling mobile games with a data-driven system: CPI→ROAS UA, hybrid monetization (bidding + waterfall), ASO A/B tests, and creative iteration. Learn the baseline metrics we require and the workflow we use to scale profitably into Tier-1 geos.

December 19, 2025 5 min read

Concept visual supporting the topic of staged rollout retention distortion and accurate cohort analysis in mobile app updates

AdTech & Monetization

The Hidden Retention Trap in Staged Rollouts — And How to Fix It

Staged rollouts can distort retention and produce misleading cohort data. Here’s how version mixing happens and how to protect your metrics from false signals.

December 5, 2025 4 min read

Publishing

Mobile Game Publishing Behind the Scenes: How Growth Really Happens

A behind-the-scenes look at mobile game publishing and the real levers of growth. Four case studies show how CAS.AI scales indie games with data-driven strategies.

December 3, 2025 4 min read

Publishing

CAS.AI Method in Action: Reliable, Scalable Mobile Publishing

CAS.AI’s method for mobile publishing and scaling apps: clear KPIs, small UA tests, ILD-driven monetization, and Tenjin analytics. Learn how we validate D0/D7, tune ad mix, and scale reliably across geos and channels.

October 17, 2025 6 min read

Android 15 AdMob interstitial close button bug overview.

AdTech & Monetization

AdMob Android 15 Bug & AppLovin Changes: imp/DAU Down in Aug–Sep 2026

Android 15 AdMob interstitial close-button bug and AppLovin flow tweaks cut retention and imp/DAU in Aug–Sep 2025. We explain causes, impact, and what to do.

September 19, 2025 3 min read

Technical isometric diagram for Flutter mobile ad mediation, illustrating efficient ad monetization infrastructure for cross-platform app developers.

AdTech & Monetization

Ad Mediation for Flutter

Maximizing revenue in the competitive mobile landscape requires more than just standard ad placements; it demands a strategic approach to monetization. For Flutter developers, ad mediation serves as the ultimate engine for growth. By implementing a robust mediation platform, you can force top-tier ad networks to compete for your inventory in real-time, significantly driving up your average eCPM. This guide explores the technical and strategic advantages of moving beyond single-network setups. You will learn the nuances of integrating industry-leading networks and the transformative power of programmatic bidding. Unlike traditional waterfalls, programmatic bidding ensures that every impression is sold to the highest bidder at the exact moment of the request, eliminating manual overhead and maximizing fill rates. Whether you are launching a new utility app or scaling a global gaming title, mastering these mediation techniques is the key to unlocking sustainable, scalable earnings and ensuring your Flutter project achieves its full financial potential.

July 8, 2025 5 min read