Pure Logic vs Fishogram
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Pure Logic
Engage your mind with six distinct logic puzzle games including Sudoku, Nonogram, and Queens. Enjoy adjustable difficulty, helpful hints, and customizable themes. Play at your own pace with progress saved locally.
- Six logic puzzle types
- Adjustable difficulty levels
- Hint and undo options
- Customizable themes and board skins
- Local progress saving
- No account required
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Make room for a little logic. Pure Logic brings six puzzle games together: Sudoku, Nonogram, Binary Puzzles, Queens, Light Up, and Bridges. Explore different rules, choose your difficulty, and enjoy a puzzle at your own pace. SIX WAYS TO THINK Fill Sudoku grids, follow Nonogram clues, balance two symbols, place Queens, illuminate a board, and connect islands with bridges. A WORLD OF DETAILS Start with the warm Meadow theme. The optional Polar Crystal theme brings an icy setting, board skins and matching details to all six games. Discover Queen styles and illustrated Nonogram collections as you play. HELP WHEN YOU NEED IT Use hints and undo, continue saved puzzles, and adjust sound and haptic feedback separately. Your progress, collections and points are saved on your device. No app account is required. FREE PLAY AND OPTIONAL PURCHASES Sudoku, Nonogram and Binary Puzzles have no daily new-puzzle limit. Queens, Light Up and Bridges each include three free new puzzles per day. Replaying the same puzzle that day does not use another play, and continuing a saved puzzle is free. Queen Atelier challenges share the Queens allowance. Pure Logic Pro is a one-time purchase that removes these three games' daily new-puzzle limits. Polar Crystal is a separate one-time theme purchase. Pro does not include Polar Crystal; purchasing the theme does not change free-play limits. Local progress may be lost if you delete the app. Restore Purchases restores eligible purchases, not deleted local puzzle progress. Support: abc466254511@gmail.com
Fishogram
A watercolor-inspired puzzle game where you fill squares based on numbers to reveal hidden ocean pictures. Collect your discoveries in an album and solve daily challenges at your own pace, even offline.
- Watercolor-inspired puzzles
- Number-based grid filling
- Hidden picture reveals
- Daily challenges
- Ocean album collection
- Offline play
- Guided tutorial
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One square at a time, discover the ocean. Fishogram is a watercolor-inspired nonogram game. Use the numbers beside each row and column to fill squares and mark empty spaces. Watch a hidden picture emerge, then add your discovery to your ocean album. • START SMALL, EXPLORE FURTHER Learn the rules with a guided tutorial. Explore main puzzles across 5×5, 10×10, and 15×15 grids. • MAKE A DAILY DISCOVERY Solve daily challenges and collect your completed creations. More daily puzzles will be added through app updates. • BUILD YOUR OCEAN ALBUM Collect watercolor ocean treasures, revisit completed pictures, share your discoveries, and replay your favorite puzzles. • SOLVE AT YOUR OWN PACE Fill squares, mark empty spaces, undo moves, and use logical hints when you need a little guidance. Your progress saves automatically, ready for your next visit. • TAKE YOUR PUZZLES WITH YOU Play offline, with optional iCloud progress sync across your devices. Available in English, Simplified Chinese, Traditional Chinese, and Japanese. No account registration required. A little logic. A little discovery. An ocean to explore.
Screenshots
Verdict
The clearest difference is in-app purchases: Fishogram at none against Pure Logic's 2. Pure Logic's advantage is update cadence (daily vs every 2 days). On price, rating, ratings volume and ads 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. Pure Logic sells 2 one-off in-app purchases. Fishogram asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for Pure Logic against 5.0 for Fishogram. Both are backed by a comparable volume of ratings — 2 and 1 respectively.
Pure Logic ships an update daily, Fishogram every 2 days. The most recent releases landed on October 7, 2026 and October 9, 2026 respectively.
| Parameter | Pure Logic | Fishogram |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (1 ratings) |
| Number of ratings | 2 — better | 1 |
| Update frequency | Daily — better | Every 2 days |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 110 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | 贵权 陈 | 纪洋 曾 |
Customer experience
Pure Logic
Fishogram
In-app purchases
Pure Logic
- Polar Crystal$1.99
- Pure Logic Pro$3.99
Fishogram
No in-app purchases








