# Eye3D vs MindFlow

The clearest difference is in-app purchases: MindFlow at none against Eye3D's 5. MindFlow also leads on update cadence (daily vs every 3 days). Eye3D's advantage is iOS requirement (15.0 vs 26.2). On price, ads and device support there is nothing between them.

Both are free to download. Eye3D sells 5 in-app purchases, starting at $2.99 per month. MindFlow asks for nothing beyond the download.

Eye3D ships an update every 3 days, MindFlow daily. The most recent releases landed on October 26, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Eye3D | MindFlow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (10 ratings)](https://appshunter.io/ios/app/eye3d-eye-training-and-vision/id778160227/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 79.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 days | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 84 MB | 14 MB |
| Requires iOS | **15.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Asobu Inc.](https://appshunter.io/developer/694956673) | [文志 胡](https://appshunter.io/developer/976495345) |

## What reviewers say

### Eye3D

[App page](https://appshunter.io/ios/app/eye3d-eye-training-and-vision/id778160227)

This app uses animated stereograms to help improve focus and train your eyes. It's designed for individuals experiencing various vision issues like nearsightedness, farsightedness, astigmatism, or eye fatigue from screen use. Train your eyes in just a few minutes a day with its intuitive interface and a collection of high-quality 3D images.

**Highlights:** Animated stereogram training, Improve focus and eye strain, Vision test feature, Collection of high-quality 3D images, Intuitive and easy-to-use interface, Free and premium training packages

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Eye3D Premium | $2.99 | per month |
| No.006 Text and Images | $0.99 | one-time |
| No.007 Athlete | $0.99 | one-time |
| No.008 Moving Animals | $0.99 | one-time |
| No009 Sea Creatures | $0.99 | one-time |

**What reviewers like**

- ✨ Effective vision improvement
- 👍 Easy to use and see
- 😌 Relieves eye strain
- 🤩 Engaging 3D visuals
- 🆓 Free and high quality

**What reviewers complain about**

- ❓ Confusing instructions
- 🤔 Unclear usage guidance
- 📉 Limited content/packs
- 😵 Difficulty seeing images
- 📱 Screen glare issues

**Reported bugs**

- 🐛 Paid add-ons not working
- 🐛 In-app purchases fail
- 🐛 Animal animations not added after purchase
- 🐛 Vision test interaction issues (flick vs. double tap)
- 🐛 Sound issues with vision test (resolved by user)

**Requested features**

- More content variety
- Instructions for exercises
- Progress reports for exercises
- Support for LINE sharing
- More free content options


### MindFlow

[App page](https://appshunter.io/ios/app/mindflow-calm/id6760447776)

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

**In-app purchases:** none


## Frequently asked questions

### Is Eye3D free?

Eye3D is free to download, with in-app purchases available.

### Is MindFlow free?

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

### Do Eye3D or MindFlow have ads?

Neither Eye3D nor MindFlow shows ads.

### Which is updated more often, Eye3D or MindFlow?

Eye3D ships an update every 3 days, and MindFlow daily. Most recently, Eye3D was updated on October 26, 2026 and MindFlow on October 18, 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.*