# Bright Eyes Calendar vs Bionic Reader

The clearest difference is in-app purchases: Bright Eyes Calendar at none against Bionic Reader's 2. Bright Eyes Calendar also leads on ads (none vs shown) and update cadence (every 9 days vs every 3 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Bionic Reader sells 2 in-app purchases, starting at $0.99 per month. Bright Eyes Calendar asks for nothing beyond the download.

Bright Eyes Calendar ships an update every 9 days, Bionic Reader every 3 months. The most recent releases landed on October 9, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Bright Eyes Calendar | Bionic Reader |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 9 days** | Every 3 months |
| Size | 37 MB | 48 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Di Jia](https://appshunter.io/developer/6781360507) | [Jonatan Ortega](https://appshunter.io/developer/6773707440) |

## What reviewers say

### Bright Eyes Calendar

[App page](https://appshunter.io/ios/app/bright-eyes-calendar/id6781360505)

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

**In-app purchases:** none


### Bionic Reader

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

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bionic Reader Premium | $0.99 | per month |
| Bionic Reader — De por vida | $3.99 | one-time |


## Frequently asked questions

### Is Bright Eyes Calendar free?

Bright Eyes Calendar is free to download, with no in-app purchases.

### Is Bionic Reader free?

Bionic Reader is free to download, with in-app purchases available.

### Do Bright Eyes Calendar or Bionic Reader have ads?

Bionic Reader shows ads; Bright Eyes Calendar does not.

### Which is updated more often, Bright Eyes Calendar or Bionic Reader?

Bright Eyes Calendar ships an update every 9 days, and Bionic Reader every 3 months. Most recently, Bright Eyes Calendar was updated on October 9, 2026 and Bionic Reader on October 17, 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.*