# Pure Logic vs Fishogram

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.

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.

## The numbers

| Metric | Pure Logic | Fishogram |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/pure-logic-brain-puzzles/id6810033029/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/fishogram-nonogram-crossing/id6819005681/reviews) |
| Number of ratings | **2** | 1 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Daily** | Every 2 days |
| Monetization | Free with in-app purchases | **Free** |
| Size | 110 MB | 38 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [贵权 陈](https://appshunter.io/developer/6809852956) | [纪洋 曾](https://appshunter.io/developer/6807868601) |

## What reviewers say

### Pure Logic

[App page](https://appshunter.io/ios/app/pure-logic-brain-puzzles/id6810033029)

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.

**Highlights:** Six logic puzzle types, Adjustable difficulty levels, Hint and undo options, Customizable themes and board skins, Local progress saving, No account required

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Polar Crystal | $1.99 | one-time |
| Pure Logic Pro | $3.99 | one-time |


### 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 Pure Logic free?

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

### Is Fishogram free?

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

### Which has better reviews, Pure Logic or Fishogram?

Pure Logic and Fishogram are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do Pure Logic or Fishogram have ads?

Neither Pure Logic nor Fishogram shows ads.

### Which is updated more often, Pure Logic or Fishogram?

Pure Logic ships an update daily, and Fishogram every 2 days. Most recently, Pure Logic was updated on October 7, 2026 and Fishogram on October 9, 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.*