# HFS vs Eye

The clearest difference is in-app purchases: Eye at none against HFS's 2. On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. HFS sells 2 in-app purchases, starting at $19.99 per month. Eye asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for HFS against 5.0 for Eye. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on June 4, 2026 and July 4, 2026 respectively.

## The numbers

| Metric | HFS | Eye |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/hfs-brain-training/id6469903680/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/eye-guard/id6748368048/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 131 MB | 84 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cogleap Center for Achievement, Inc.](https://appshunter.io/developer/1719861943) | [Coding Minds, Inc.](https://appshunter.io/developer/1480612283) |

## What reviewers say

### HFS

[App page](https://appshunter.io/ios/app/hfs-brain-training/id6469903680)

This app provides AI-driven cognitive training plans and progress tracking for children with neurodiverse needs like ASD and ADHD. It supports parent-trainer communication and offers evidence-based assessments and resources.

**Highlights:** AI-driven personalized training plans, Evidence-based assessments, Progress tracking and reports, Parent-trainer communication, Neurodiversity resources, Structured skill-based movement

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Music Only | $19.99 | per month |
| Music & Motion | $39.99 | per month |


### Eye

[App page](https://appshunter.io/ios/app/eye-guard/id6748368048)

This app helps monitor children's vision health by detecting early signs of myopia and eye strain. It offers smart vision testing, posture monitoring, and educational resources for eye care.

**Highlights:** Smart eye chart testing, Real-time posture monitoring, AI-powered viewing distance analysis, Color blindness detection, Visual fatigue assessment, Eye exercises and prevention tips

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HFS free?

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

### Is Eye free?

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

### Which has better reviews, HFS or Eye?

HFS and Eye are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do HFS or Eye have ads?

Neither HFS nor Eye shows ads.

### Which is updated more often, HFS or Eye?

HFS ships an update every 2 months, and Eye every 2 months. Most recently, HFS was updated on June 4, 2026 and Eye on July 4, 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.*