# Prism vs Fishogram

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.

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.

## The numbers

| Metric | Prism | Fishogram |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/fishogram-nonogram-crossing/id6819005681/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | **Every 2 days** |
| Monetization | — | Free |
| Size | 81 MB | 168 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Emre Harman](https://appshunter.io/developer/1895836392) | [纪洋 曾](https://appshunter.io/developer/6807868601) |

## What reviewers say

### Prism

[App page](https://appshunter.io/ios/app/prism-laser-light-puzzle/id6769532787)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Fishogram

[App page](https://appshunter.io/ios/app/fishogram-nonogram-crossing/id6819005681)

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.

**Highlights:** Watercolor-inspired puzzles, Number-based grid filling, Hidden picture reveals, Daily challenges, Ocean album collection, Offline play, Guided tutorial

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 300 coins | $0.99 | one-time |
| 12 hints | $0.99 | one-time |
| 1200 coins | $2.99 | one-time |
| Fishogram Pro | $3.99 | one-time |


## Frequently asked questions

### Is Prism free?

Prism is free to download, with no in-app purchases.

### Is Fishogram free?

Fishogram is free to download, with in-app purchases available.

### Do Prism or Fishogram have ads?

Both Prism and Fishogram show ads.

### Which is updated more often, Prism or Fishogram?

Prism ships an update fortnightly, and Fishogram every 2 days. Most recently, Prism was updated on October 24, 2026 and Fishogram on October 26, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*