# Jigsaw AI vs Block Stack

The clearest difference is update cadence: Block Stack at every 4 days against Jigsaw AI's every 2 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Jigsaw AI sells 2 in-app purchases, starting at $9.99 per 7 days and Block Stack sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Jigsaw AI ships an update every 2 weeks, Block Stack every 4 days. The most recent releases landed on October 6, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Jigsaw AI | Block Stack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Size | 65 MB | 204 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [ILKNUR GURBUZ](https://appshunter.io/developer/6799777113) | [Wodh LTD](https://appshunter.io/developer/1878638321) |

## What reviewers say

### Jigsaw AI

[App page](https://appshunter.io/ios/app/jigsaw-ai-create-puzzles/id6799777111)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Jigsaw AI Pro | $9.99 | per 7 days |
| Jigsaw AI Pro Monthly | $19.99 | per month |


### Block Stack

[App page](https://appshunter.io/ios/app/block-stack-color-sort-puzzle/id6815547548)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $4.99 | one-time |


## Frequently asked questions

### Is Jigsaw AI free?

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

### Is Block Stack free?

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

### Do Jigsaw AI or Block Stack have ads?

Both Jigsaw AI and Block Stack show ads.

### Which is updated more often, Jigsaw AI or Block Stack?

Jigsaw AI ships an update every 2 weeks, and Block Stack every 4 days. Most recently, Jigsaw AI was updated on October 6, 2026 and Block Stack on October 15, 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.*