# Stack 'n' Fit vs Block IQ

The clearest difference is in-app purchases: Block IQ at none against Stack 'n' Fit's 5. Stack 'n' Fit's advantage is update cadence (every 2 days vs every 4 months) and iOS requirement (12.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Stack 'n' Fit sells 5 one-off in-app purchases. Block IQ asks for nothing beyond the download.

Stack 'n' Fit ships an update every 2 days, Block IQ every 4 months. The most recent releases landed on September 9, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Stack 'n' Fit | Block IQ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 2 days** | Every 4 months |
| Size | 102 MB | 101 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Roman Bogdziievych](https://appshunter.io/developer/1448873348) | [Liberty Pixel](https://appshunter.io/developer/1746916177) |

## What reviewers say

### Stack 'n' Fit

[App page](https://appshunter.io/ios/app/stack-n-fit/id6477820126)

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $0.99 | one-time |
| Small pack of gems | $0.99 | one-time |
| Medium pack of gems | $1.99 | one-time |
| Large pack of gems | $3.99 | one-time |
| Huge pack of gems | $8.99 | one-time |


### Block IQ

[App page](https://appshunter.io/ios/app/block-iq-brain-puzzle/id6760123355)

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

**In-app purchases:** none


## Frequently asked questions

### Is Stack 'n' Fit free?

Stack 'n' Fit is free to download, with in-app purchases available.

### Is Block IQ free?

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

### Do Stack 'n' Fit or Block IQ have ads?

Both Stack 'n' Fit and Block IQ show ads.

### Which is updated more often, Stack 'n' Fit or Block IQ?

Stack 'n' Fit ships an update every 2 days, and Block IQ every 4 months. Most recently, Stack 'n' Fit was updated on September 9, 2026 and Block IQ on September 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*