# RightStart eBook Reader vs Knowing Body

The clearest difference is iOS requirement: RightStart eBook Reader at 12.0 against Knowing Body's 15.1. 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.

## The numbers

| Metric | RightStart eBook Reader | Knowing Body |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 5 weeks |
| Size | 109 MB | 63 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Activities for Learning inc.](https://appshunter.io/developer/406078584) | [ZHIWEN YOU](https://appshunter.io/developer/1733993831) |

## What reviewers say

### RightStart eBook Reader

[App page](https://appshunter.io/ios/app/rightstart-ebook-reader/id6502687264)

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

**In-app purchases:** none


### Knowing Body

[App page](https://appshunter.io/ios/app/knowing-body/id6747706587)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RightStart eBook Reader free?

RightStart eBook Reader is free to download, with no in-app purchases.

### Is Knowing Body free?

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

### Do RightStart eBook Reader or Knowing Body have ads?

Neither RightStart eBook Reader nor Knowing Body shows ads.

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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.*