RetroAchievementsUI vs Null Pattern
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
RetroAchievementsUI
Browse and discover games with achievements. Track your progress and find new challenges to master. This open-source application is built with SwiftUI.
- Browse games with achievements
- Discover new games
- Track game progress
- Open-source
- SwiftUI built
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RetroAchievementsUI is open-source and written entirely in SwiftUI. View games you've played, or find new ones to master!
Null Pattern
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Null Pattern is a minimalist logic puzzle game about transforming grids, reading patterns, and finding the exact sequence of moves that clears the board. Each level gives you an initial grid and a target pattern. Tap cells to trigger changes, study the result, and work your way toward the solution. Early puzzles teach the rules gently, but the challenge ramps up fast. Later levels demand careful thinking, efficient moves, and a willingness to stare at the grid until the hidden logic finally clicks. Features: - Elegant grid-based logic puzzles - Increasingly difficult levels that reward planning - Clean visual design focused on the puzzle - Par move goals for players who want an extra challenge - Great for quick sessions or deep puzzle-solving runs Null Pattern is easy to start, but it is not afraid to get tough. If you enjoy compact puzzle games with real bite, this one is built for you.
Screenshots
Verdict
The clearest difference is ads: RetroAchievementsUI at none against Null Pattern's shown. Null Pattern's advantage is update cadence (daily vs every 2 weeks) and iOS requirement (14.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
RetroAchievementsUI ships an update every 2 weeks, Null Pattern daily. The most recent releases landed on September 17, 2026 and September 27, 2026 respectively.
| Parameter | RetroAchievementsUI | Null Pattern |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (7 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 7 — better | — |
| Update frequency | Every 2 weeks | Daily — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 100 MB |
| Age rating | 4+ | 4+ |
| Developer | Michael Rosenberg | Peralysis Games |
In-app purchases
RetroAchievementsUI
No in-app purchases
Null Pattern
No in-app purchases









