App Masters · 2026-08-29
This Dev Made $5K MRR Look Easy (Copy This ASO-First Strategy)
Egyptian indie developer and former pro footballer Mohamed Khaled Selim explains his keyword-first strategy after 10 failed apps: find long-tail App Store keywords with low US popularity, locate the countries where they are actually searched, localize for those stores, and use low-bid worldwide Apple Search Ads to discover winning countries and keywords before scaling them into flagship campaigns (~400% ROAS, $0.37 CPI). Includes a Japanese-learning keyword demo run with Claude + Astro MCP, host tips on ex-US discovery campaigns and rewarded-video coin offers, and two short app audits.
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Numbers mentioned
| Who | Metric | Value | Context | When |
|---|---|---|---|---|
| personMohamed Khaled Selim | count | 10 apps | Failed apps before adopting the keyword-first strategy | 0:00 |
| Mohamed Khaled Selim's keyword-first app | share | 10% approximate | Share of revenue from Android, with zero ads or promotion (built in Flutter, iOS-first) | 14:14 |
| aggregateMohamed Khaled Selim's 10 earlier apps | downloads | +-50% approximate | Performance of apps without localization vs apps with it; the exact measure (installs or revenue) is not specified | 15:15 |
| Mohamed Khaled Selim's keyword-first app | count | 12 locales approximate | Top App Store locales localized first (e.g. Mexico, Saudi Arabia/Arabic, Vietnam, Chinese) | 16:02 |
| Mohamed Khaled Selim's keyword-first app | roas | 400% approximate | Apple Search Ads flagship (Tier 1) campaigns | 21:50 |
| Mohamed Khaled Selim's keyword-first app | roas | 350% approximate | Apple Search Ads average across test, mid and flagship campaigns; Malaysia and Indonesia highest | 23:14 |
| Mohamed Khaled Selim's keyword-first app | roas | 1.2 (unit unclear), 'almost nothing' approximate | Apple Search Ads ROAS in the US, far below the ex-US markets | 23:14 |
| Mohamed Khaled Selim's keyword-first app | cpi | USD 0.37 approximate | Apple Search Ads CPI across campaigns | 23:46 |
| Mohamed Khaled Selim's keyword-first app | conversion rate | 17% approximate | install -> trial, Apple Search Ads traffic (soft paywall); similar across countries | 27:32 |
| Mohamed Khaled Selim's keyword-first app | conversion rate | 11% approximate | install -> trial, organic traffic; organic trial -> paid is higher than paid traffic | 27:32 |
| Mohamed Khaled Selim's keyword-first app | price | USD 5–7 approximate | Average subscription price used across his apps; up to $7 for must-have problem-solving apps | 26:06 |
| App Masters' new app | cpa | USD 2 approximate | Cost-per-acquisition goal in a max-conversion Apple Ads discovery campaign targeting all countries except the US | 19:36 |
| App Masters' new app | ad spend | USD 200–300/day approximate | Daily budget first stated for the ex-US discovery campaign; host then corrects himself to $100 | 19:36 |
| App Masters' new app | ad spend | USD 100/day estimate | Corrected daily budget for the ex-US discovery campaign; spent quickly | 19:36 |
| App Masters app ranking #1 for a single keyword | revenue | USD 7,000–10K estimate | Revenue (period not stated, likely monthly) from ranking #1 for a single keyword | 52:34 |
| App Masters app ranking #1 for a single keyword | keyword popularity | 40 approximate | Popularity of the single keyword the app ranks #1 for | 52:34 |
| Japanese-learning app popular in Vietnam | count | 19K ratings approximate | App Store ratings in Vietnam, vs only 350 in the US | 53:27 |
| Japanese-learning app popular in Vietnam | revenue | USD 10K estimate | Sensor Tower estimate (period not stated, likely monthly); top countries Vietnam, Japan, Taiwan | 54:27 |
| marketApp Store keyword 'kanji' (Japanese learning niche) | keyword popularity | 73 | Popularity in Japan's store, vs 7 in the US | 45:04 |
| marketJapanese-learning related App Store keywords found via Claude + Astro research | count | 21 keywords | Of 22 related keywords, 21 score better outside the US than in the US | 46:34 |
| marketThai-language Japanese-learning keyword in the Thailand App Store | keyword popularity | 44 | Keyword difficulty 19 | 48:22 |
| marketThai-language Japanese-learning keyword in the Thailand App Store | keyword difficulty | 19 | 48:22 | |
| personGhi Nguyen, indie developer found on Sensor Tower | count | 22 apps | Apps published; only 3 make more than $5K (one ~$20K) | 57:10 |