# Prism vs Fishogram

The clearest difference is ads: Fishogram at none against Prism's shown. Fishogram also leads on update cadence (every 2 days vs every 4 months). Prism's advantage is iOS requirement (15.1 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Prism ships an update every 4 months, Fishogram every 2 days. The most recent releases landed on October 2, 2026 and October 8, 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 | No |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 2 days** |
| Monetization | — | Free |
| Size | 51 MB | 38 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| 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-reflect/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:** none


## 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 no in-app purchases.

### Do Prism or Fishogram have ads?

Prism shows ads; Fishogram does not.

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

Prism ships an update every 4 months, and Fishogram every 2 days. Most recently, Prism was updated on October 2, 2026 and Fishogram on October 8, 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.*