# Perfect Eye vs Slice

The clearest difference is in-app purchases: Slice at none against Perfect Eye's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Perfect Eye sells 3 in-app purchases, starting at $29.99 per month. Slice asks for nothing beyond the download.

Perfect Eye ships an update monthly, Slice every 2 months. The most recent releases landed on October 8, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Perfect Eye | Slice |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/perfect-eye/id1534914239/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 377 MB | 288 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [ORBITOLOGY LTD](https://appshunter.io/developer/1784251186) | [Roy Rodenhauser](https://appshunter.io/developer/1818681968) |

## What reviewers say

### Perfect Eye

[App page](https://appshunter.io/ios/app/perfect-eye/id1534914239)

Explore an anatomically accurate 3D model of the human eye. This interactive tool is designed for clinical, educational, and research purposes, offering detailed insights for professionals and students alike. It provides a comprehensive visual resource for understanding eye anatomy and conditions.

**Highlights:** Anatomically accurate 3D eye model, Interactive exploration, Developed by ophthalmologists, Peer-group tested, Clinical applications, Educational resource, Patient information tool

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Free Month, Monthly Plan | $29.99 | per month |
| Yearly Plan With Free Month | $149.99 | per year |
| Free Month, Yearly Plan | $249.99 | per year |


### Slice

[App page](https://appshunter.io/ios/app/slice-ar/id6746819867)

**In-app purchases:** none


## Frequently asked questions

### Is Perfect Eye free?

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

### Is Slice free?

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

### Do Perfect Eye or Slice have ads?

Neither Perfect Eye nor Slice shows ads.

### Which is updated more often, Perfect Eye or Slice?

Perfect Eye ships an update monthly, and Slice every 2 months. Most recently, Perfect Eye was updated on October 8, 2026 and Slice on October 11, 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.*