# Doc Align vs Bionic Reader

The clearest difference is in-app purchases: Bionic Reader at none against Doc Align's 1. Bionic Reader also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.0). On price and device support there is nothing between them.

Both are free to download. Doc Align sells 1 one-off in-app purchase. Bionic Reader asks for nothing beyond the download.

## The numbers

| Metric | Doc Align | Bionic Reader |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | — |
| Size | 18 MB | 24 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kazuhisa Kobayashi](https://appshunter.io/developer/1580882000) | [Jonatan Ortega](https://appshunter.io/developer/6773707440) |

## What reviewers say

### Doc Align

[App page](https://appshunter.io/ios/app/doc-align-perspective-fixer/id6748571837)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $4.99 | one-time |


### Bionic Reader

[App page](https://appshunter.io/ios/app/bionic-reader/id6781438747)

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

**In-app purchases:** none


## Frequently asked questions

### Is Doc Align free?

Doc Align is free to download, with in-app purchases available.

### Is Bionic Reader free?

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

### Do Doc Align or Bionic Reader have ads?

Doc Align shows ads; Bionic Reader does not.

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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.*