# 3 x 7 Puzzle vs Kitty Jam

The clearest difference is in-app purchases: Kitty Jam at none against 3 x 7 Puzzle's 1. Kitty Jam also leads on update cadence (every 10 days vs every 7 months) and iOS requirement (12.0 vs 26.0). 3 x 7 Puzzle's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. 3 x 7 Puzzle sells 1 one-off in-app purchase. Kitty Jam asks for nothing beyond the download.

3 x 7 Puzzle ships an update every 7 months, Kitty Jam every 10 days. The most recent releases landed on October 26, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | 3 x 7 Puzzle | Kitty Jam |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Every 10 days** |
| Size | 12 MB | 125 MB |
| Requires iOS | 26.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Gerhard Lentschik](https://appshunter.io/developer/629988041) | [GAMETATOR YAZILIM DANISMANLIK TICARET VE SANAYI ANONIM SIRKETI](https://appshunter.io/developer/1537447753) |

## What reviewers say

### 3 x 7 Puzzle

[App page](https://appshunter.io/ios/app/3-x-7-puzzle/id1488937658)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Advertising | $1.99 | one-time |


### Kitty Jam

[App page](https://appshunter.io/ios/app/kitty-jam/id6739863163)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 3 x 7 Puzzle free?

3 x 7 Puzzle is free to download, with in-app purchases available.

### Is Kitty Jam free?

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

### Do 3 x 7 Puzzle or Kitty Jam have ads?

Kitty Jam shows ads; 3 x 7 Puzzle does not.

### Which is updated more often, 3 x 7 Puzzle or Kitty Jam?

3 x 7 Puzzle ships an update every 7 months, and Kitty Jam every 10 days. Most recently, 3 x 7 Puzzle was updated on October 26, 2026 and Kitty Jam on October 28, 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.*