Prism vs Fishogram
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Prism
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Drag mirrors onto the board and guide the laser to the heart. Prism is a calm light puzzle on a small floating island. Every level gives you a light source, a heart and a tray of mirrors. Drop a mirror on a tile and the beam turns. Find the path that reaches the heart. 60 LEVELS, 4 WORLDS • Mirror: learn how the light turns • Wall: work around walls and fixed mirrors • Hearts: light two hearts with one beam • Maze: three hearts hidden among walls NO STARS, NO TIMER Light the hearts and move on. Use as many mirrors as you like. DAILY PUZZLE A new puzzle every day, the same for every player. See where you rank today and this week, and keep your streak going. DAY, WINTER OR NIGHT Choose the look you like best in Settings. Stuck? Watch a short ad and one mirror is placed for you. No account needed. Levels work offline; the daily ranking needs an internet connection. Privacy: https://prism.dumpyapps.com/privacy.html Contact: mernmania@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 varied main puzzles and board sizes across ocean worlds. Solve puzzles to reveal each ocean’s artwork on a puzzle map. • 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 20 languages. No account registration required. A little logic. A little discovery. An ocean to explore. • PLAY ON iPad Enjoy portrait play on iPad, with puzzle boards and page layouts adapted to the larger screen. The app includes ads. Optional rewarded ads can grant coins or double completion rewards. Interstitial ads may appear when continuing after puzzle completion. Offline puzzle play remains available; ads require a network connection. Fishogram Pro is a one-time purchase that permanently removes forced interstitial ads and grants 30 bonus hints once. Optional ads for coins and double rewards remain available.
Screenshots
Verdict
The clearest difference is in-app purchases: Prism at none against Fishogram's 4. Prism also leads on iOS requirement (15.0 vs 17.0). Fishogram's advantage is update cadence (every 2 days vs fortnightly). On price, ads 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. Fishogram sells 4 one-off in-app purchases. Prism asks for nothing beyond the download.
Prism ships an update fortnightly, Fishogram every 2 days. The most recent releases landed on October 24, 2026 and October 26, 2026 respectively.
| Parameter | Prism | Fishogram |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Fortnightly | Every 2 days — better |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 81 MB | 168 MB |
| Age rating | 4+ | 4+ |
| Developer | Emre Harman | 纪洋 曾 |
In-app purchases
Prism
No in-app purchases
Fishogram
- 300 coins$0.99
- 12 hints$0.99
- 1200 coins$2.99
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- Fishogram Pro$3.99








