
Solo Dev Journey #2 is here because you asked for it. This one is about the single question every developer, my own programmers, and even Andre keep asking: âYou spend $4.5K a day and make $4K a day⊠and youâre happy? That makes no sense.â It makes perfect sense, and I open my Singular account on camera to prove it.
I walk through the CPI vs LTV equation the way a UA person actually uses it: the time element (D7, D30, D90, D365 LTV, never D0), why the payback period is set by where your retention curve dies, and why Robot Breaker sitting at $250K spent and $170K back is not a problem, just a cohort that hasnât finished paying. Then I switch to One Mage Army, launched September 6â7 on Android only, and show the real numbers: 60â80% day-1 ROAS, 120â200% ROAS days, 103% ROAS for the whole month on $40K, and scaling from $200 to $1K/day in a week to $2.5K/day now. The game is maybe 30% feature-ready. Mark my words.
Plus: the channel mix (AppLovin started terribly and is now one of the best; Unity Ads surprisingly good; Google and Mintegral added), how organics move with paid spend, the cheaters sideloading APKs and faking IAPs from Germany and Vietnam, the license-key fix in Singular, and the dashboard I built with Singularâs MCP and a âUA senior Matejâ skill so I can make daily decisions without spending eternity in spreadsheets.
â±ïž TIMESTAMPS
00:00 â Cold open: $200 to $1K/day in a week, 103% for the month
01:15 â Sponsor: Potensus
02:24 â Why Solo Dev Journey #2 exists
03:45 â âYou spend $4.5K and make $4K?â â the CPI vs LTV equation explained
05:20 â Robot Breaker: $250K spent, $170K back, 30-day payback and why thatâs fine
06:45 â One Mage Army month 1: 60â80% D1 ROAS, 103% on $40K, scaling 5x
08:30 â Channel mix: AppLovin, Facebook, Unity, Google, Mintegral and organics
10:15 â Cheaters, fake IAPs from Germany/Vietnam, license key + the Singular MCP dashboard
12:00 â The playbook: CPI, channel, LTV curve, geo, creative â what to track and when to scale
đ KEY TAKEAWAYS
â LTV has a time element; your payback window is where your retention curve flattens
â Spending more than you make today can still be profitable; cohorts pay back over 30+ days
â Every channel, geo and creative has its own LTV curve; tailor UA to each
â Verify purchases in the store console; cheaters will fake IAPs once you get popular
đïž HOST
Matej Lancaric â UA consultant, co-founder of Playable Maker,
đ SPONSOR
Potensus â premium ad network with direct brand deals (Amazon, Apple, Coca-Cola, Vodafone) and Playable Maker-built interactive formats: https://potensus.com
Got questions about scaling your game? Drop them in the comments â they become Solo Dev Journey #3.
Subscribe for more UA, creatives and mobile game growth: https://www.youtube.com/@twoandahalfgamers
#mobilegames #useracquisition #solodev #gamedev #UA #LTV #CPI #ROAS #indiegame #OneMageArmy #RobotBreaker #Singular #AppLovin #twoandahalfgamers #Potensus #PlayableMaker
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