# E vs Eye Training Tool

The clearest difference is price: E at Free against Eye Training Tool's $9.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

E is free to download; Eye Training Tool costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on October 27, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | E | Eye Training Tool |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | Every 4 months |
| Monetization | — | Paid |
| Size | 160 MB | 55 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 12+ |
| Developer | [VDE VERLAG GMBH](https://appshunter.io/developer/443404609) | [Shanghai Liaoxiang Technology Co., Ltd.](https://appshunter.io/developer/1497850980) |

## What reviewers say

### E

[App page](https://appshunter.io/ios/app/e-health-com/id1568661391)

**Features:** macOS Compatibility

**In-app purchases:** none


### Eye Training Tool

[App page](https://appshunter.io/ios/app/eye-training-tool/id1634970491)

This app offers scientific eye relaxation and visual perception exercises based on neuroplasticity and optometry principles. It features Gabor pattern training, dynamic visual tracking, and accommodation exercises to improve visual acuity, eye muscle flexibility, and reduce eye strain.

**Highlights:** Gabor visual perception training, Dynamic visual tracking exercises, Accommodation and convergence assistance, Eye muscle relaxation techniques, Binocular coordination training, Scientific eye relaxation programs

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is E free?

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

### Is Eye Training Tool free?

Eye Training Tool costs $9.99, with no in-app purchases.

### Do E or Eye Training Tool have ads?

Neither E nor Eye Training Tool shows ads.

### Which is updated more often, E or Eye Training Tool?

E ships an update every 4 months, and Eye Training Tool every 4 months. Most recently, E was updated on October 27, 2026 and Eye Training Tool on November 7, 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.*