# SimpleBook ver.2 vs Do one

The clearest difference is ads: SimpleBook ver.2 at none against Do one's shown. SimpleBook ver.2 also leads on iOS requirement (14.0 vs 17.0). Do one's advantage is update cadence (every 6 weeks vs every 37 months). On price, 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.

SimpleBook ver.2 ships an update every 37 months, Do one every 6 weeks. The most recent releases landed on October 13, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | SimpleBook ver.2 | Do one |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 37 months | **Every 6 weeks** |
| Size | 2 MB | 98 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [SFIDAX inc.](https://appshunter.io/developer/959794282) | [ryoichi yamada](https://appshunter.io/developer/1455647163) |

## What reviewers say

### SimpleBook ver.2

[App page](https://appshunter.io/ios/app/simplebook-ver2/id1254387244)

**Features:** macOS Compatibility

**In-app purchases:** none


### Do one

[App page](https://appshunter.io/ios/app/do-one/id1455647164)

**In-app purchases:** none


## Frequently asked questions

### Is SimpleBook ver.2 free?

SimpleBook ver.2 is free to download, with no in-app purchases.

### Is Do one free?

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

### Do SimpleBook ver.2 or Do one have ads?

Do one shows ads; SimpleBook ver.2 does not.

### Which is updated more often, SimpleBook ver.2 or Do one?

SimpleBook ver.2 ships an update every 37 months, and Do one every 6 weeks. Most recently, SimpleBook ver.2 was updated on October 13, 2026 and Do one on October 5, 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.*