# RotaStone vs STAR BLOCK

The clearest difference is update cadence: STAR BLOCK at every 10 days against RotaStone's every 2 months. 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.

RotaStone ships an update every 2 months, STAR BLOCK every 10 days. The most recent releases landed on September 9, 2026 and June 11, 2026 respectively.

## The numbers

| Metric | RotaStone | STAR BLOCK |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 10 days** |
| Size | 60 MB | 103 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [radiuthree Co., Ltd](https://appshunter.io/developer/1158448737) | [tadahiko fukuzaki](https://appshunter.io/developer/1660206554) |

## What reviewers say

### RotaStone

[App page](https://appshunter.io/ios/app/rotastone/id1619250280)

**Features:** macOS Compatibility

**In-app purchases:** none


### STAR BLOCK

[App page](https://appshunter.io/ios/app/star-block/id1660206552)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RotaStone free?

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

### Is STAR BLOCK free?

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

### Do RotaStone or STAR BLOCK have ads?

Both RotaStone and STAR BLOCK show ads.

### Which is updated more often, RotaStone or STAR BLOCK?

RotaStone ships an update every 2 months, and STAR BLOCK every 10 days. Most recently, RotaStone was updated on September 9, 2026 and STAR BLOCK on June 11, 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.*