# EM Logbook vs Perfect Eye

The clearest difference is in-app purchases: EM Logbook 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. EM Logbook asks for nothing beyond the download.

EM Logbook ships an update every 3 weeks, Perfect Eye monthly. The most recent releases landed on October 29, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | EM Logbook | Perfect Eye |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/perfect-eye/id1534914239/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 1 MB | 377 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Mathew DeLong](https://appshunter.io/developer/455985926) | [ORBITOLOGY LTD](https://appshunter.io/developer/1784251186) |

## What reviewers say

### EM Logbook

[App page](https://appshunter.io/ios/app/em-logbook/id1303150376)

Easily record medical procedures performed in Emergency Medicine. Log patient demographics, case complexity, and time taken for each procedure. Export your personal procedure list for ARCP time.

**Highlights:** Log medical procedures, Record patient demographics, Track case complexity, Note procedure time, Export procedure list, ARCP time preparation

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is EM Logbook free?

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

### Is Perfect Eye free?

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

### Do EM Logbook or Perfect Eye have ads?

Neither EM Logbook nor Perfect Eye shows ads.

### Which is updated more often, EM Logbook or Perfect Eye?

EM Logbook ships an update every 3 weeks, and Perfect Eye monthly. Most recently, EM Logbook was updated on October 29, 2026 and Perfect Eye on October 8, 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.*