A tranquil idle-merge game where you combine elements, starting from stardust, to construct a vast universe. Experience satisfying creation moments with ambient visuals and sounds, and learn real astronomy facts.






5+ iOS apps & games curated and reviewed
Cosmos Merge is the household name in adam mcallister, but it's far from the only option. We track 5+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 5.0★ (1) | No | Yes | Oct 2026 | ||
| 2 | $1.99 | 4.5★ (20) | No | No | Oct 2026 | ||
| 3 | $0.99 | — | No | No | Oct 2026 | ||
| 4 | $0.99 | — | No | No | Oct 2026 | ||
| 5 | Free | — | — | No | Oct 2026 |






A tranquil idle-merge game where you combine elements, starting from stardust, to construct a vast universe. Experience satisfying creation moments with ambient visuals and sounds, and learn real astronomy facts.




Experience pure Sudoku with unlimited puzzles across multiple difficulty levels. Enjoy a clean, minimalist design with customizable themes and helpful tools like notes and an undo button. Play offline anytime, anywhere, with no ads or interruptions.






Test your knowledge of world flags with this engaging quiz game. Features include a detailed stats page, customizable timers, and a comprehensive flag data bank. Enjoy an ad-free experience with no daily play limits.