# 9 Gaze vs Oftbook

The clearest difference is in-app purchases: 9 Gaze at none against Oftbook's 2. 9 Gaze also leads on iOS requirement (13.0 vs 15.1). Oftbook's advantage is update cadence (every 3 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Oftbook sells 2 in-app purchases, starting at $19.99 per month. 9 Gaze asks for nothing beyond the download.

9 Gaze ships an update every 2 months, Oftbook every 3 days. The most recent releases landed on August 27, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | 9 Gaze | Oftbook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (22 ratings)](https://appshunter.io/ios/app/9-gaze/id1173442389/reviews)** | — |
| Number of ratings | **22** | — |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | Free | — |
| Size | 36 MB | 38 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | +17 |
| Developer | [See Vision, LLC](https://appshunter.io/developer/1173442388) | [OFTBOOK OFTALMOLOGIA DIGITAL LTDA](https://appshunter.io/developer/1616321191) |

## What reviewers say

### 9 Gaze

[App page](https://appshunter.io/ios/app/9-gaze/id1173442389)

This app helps document eye motility and strabismus in nine cardinal positions. It offers an on-screen guide for consistent eye positioning and automatically creates composite images for easy exporting. Users can add strabismus measurements and email or save images for medical records.

**Highlights:** Document eye motility and strabismus, On-screen guide for eye positioning, Automatic composite image creation, Add strabismus measurements, Selfie or standard mode, Email or save images

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

**In-app purchases:** none


### Oftbook

[App page](https://appshunter.io/ios/app/oftbook/id6759061221)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Oftbook premium mensal | $19.99 | per month |
| Oftbook premium anual | $149.99 | per year |


## Frequently asked questions

### Is 9 Gaze free?

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

### Is Oftbook free?

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

### Do 9 Gaze or Oftbook have ads?

Neither 9 Gaze nor Oftbook shows ads.

### Which is updated more often, 9 Gaze or Oftbook?

9 Gaze ships an update every 2 months, and Oftbook every 3 days. Most recently, 9 Gaze was updated on August 27, 2026 and Oftbook on September 23, 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.*