# Block20 vs NINE SEVEN ONE

The clearest difference is update cadence: NINE SEVEN ONE at weekly against Block20's every 3 weeks. NINE SEVEN ONE also leads on iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Block20 ships an update every 3 weeks, NINE SEVEN ONE weekly. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Block20 | NINE SEVEN ONE |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Size | 65 MB | 60 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [Codefish SAL](https://appshunter.io/developer/1106508165) | [Hadi Aldbs](https://appshunter.io/developer/1647557541) |

## What reviewers say

### Block20

[App page](https://appshunter.io/ios/app/block20/id1631780286)

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

**In-app purchases:** none


### NINE SEVEN ONE

[App page](https://appshunter.io/ios/app/nine-seven-one/id6741038800)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Block20 free?

Block20 is free to download, with no in-app purchases.

### Is NINE SEVEN ONE free?

NINE SEVEN ONE is free to download, with no in-app purchases.

### Do Block20 or NINE SEVEN ONE have ads?

Neither Block20 nor NINE SEVEN ONE shows ads.

### Which is updated more often, Block20 or NINE SEVEN ONE?

Block20 ships an update every 3 weeks, and NINE SEVEN ONE weekly. Most recently, Block20 was updated on October 24, 2026 and NINE SEVEN ONE on October 30, 2026.

---

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