# REaD EyE vs ROTARY SMART

The clearest difference is in-app purchases: ROTARY SMART at none against REaD EyE's 1. ROTARY SMART also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. REaD EyE sells 1 one-off in-app purchase. ROTARY SMART asks for nothing beyond the download.

REaD EyE ships an update every 5 weeks, ROTARY SMART monthly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | REaD EyE | ROTARY SMART |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/read-eye/id1475074071/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 9 MB | 230 MB |
| Requires iOS | 14.5 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Sasagawa Yoshihiro](https://appshunter.io/developer/1475074070) | [Horological Industries Limited](https://appshunter.io/developer/1817183415) |

## What reviewers say

### REaD EyE

[App page](https://appshunter.io/ios/app/read-eye/id1475074071)

This app redefines reading by adapting text flow to an eye-shaped path, offering a more natural and comfortable experience. It supports various reading needs, from speed reading training to assistance for visual impairments.

**Highlights:** Eye-shaped text flow, Embedded web browser, Adjustable text movement, Speed reading training, Support for visual impairments, Customizable text assortment

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| REaD EyE Upgrade | $9.99 | one-time |


### ROTARY SMART

[App page](https://appshunter.io/ios/app/rotary-smart/id6752291541)

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

**In-app purchases:** none


## Frequently asked questions

### Is REaD EyE free?

REaD EyE is free to download, with in-app purchases available.

### Is ROTARY SMART free?

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

### Do REaD EyE or ROTARY SMART have ads?

REaD EyE shows ads; ROTARY SMART does not.

### Which is updated more often, REaD EyE or ROTARY SMART?

REaD EyE ships an update every 5 weeks, and ROTARY SMART monthly. Most recently, REaD EyE was updated on November 3, 2026 and ROTARY SMART on October 30, 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.*