# Kittygram vs Shape Sudoku

The clearest difference is in-app purchases: Kittygram at none against Shape Sudoku's 1. Kittygram also leads on device support (3 vs 1) and iOS requirement (11.0 vs 17.0). Shape Sudoku's advantage is ads (none vs shown) and update cadence (every 6 days vs every 22 months). On price there is nothing between them.

Both are free to download. Shape Sudoku sells 1 one-off in-app purchase. Kittygram asks for nothing beyond the download.

Kittygram ships an update every 22 months, Shape Sudoku every 6 days. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Kittygram | Shape Sudoku |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 22 months | **Every 6 days** |
| Monetization | — | Free with in-app purchases |
| Size | 29 MB | 9 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Code This Lab srl](https://appshunter.io/developer/377003842) | [Agata Raap](https://appshunter.io/developer/1872514072) |

## What reviewers say

### Kittygram

[App page](https://appshunter.io/ios/app/kittygram/id1622019935)

**Features:** macOS Compatibility

**In-app purchases:** none


### Shape Sudoku

[App page](https://appshunter.io/ios/app/shape-sudoku-form9/id6774104823)

This logic puzzle game uses shapes instead of numbers, making it accessible for those with dyscalculia, young learners, or anyone who prefers visual patterns. Enjoy daily challenges with multiple difficulty levels, helpful tools, and full accessibility features.

**Highlights:** Shape-based Sudoku logic, Daily puzzles, Five difficulty levels, Notes, undo, and hints, Colorblind-friendly design, Full VoiceOver support, No ads or tracking

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| form9+ Lifelong | $7.99 | one-time |


## Frequently asked questions

### Is Kittygram free?

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

### Is Shape Sudoku free?

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

### Do Kittygram or Shape Sudoku have ads?

Kittygram shows ads; Shape Sudoku does not.

### Which is updated more often, Kittygram or Shape Sudoku?

Kittygram ships an update every 22 months, and Shape Sudoku every 6 days. Most recently, Kittygram was updated on November 7, 2026 and Shape Sudoku on October 31, 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.*