# Eyedea Refractive vs Oftbook

The clearest difference is in-app purchases: Eyedea Refractive at none against Oftbook's 2. Oftbook's advantage is update cadence (every 3 days vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

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

Eyedea Refractive ships an update fortnightly, Oftbook every 3 days. The most recent releases landed on August 29, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Eyedea Refractive | Oftbook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/eyedea-refractive/id1501282600/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | Free | — |
| Size | 57 MB | 38 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | +17 |
| Developer | [Eyedea Educacao e Desenvolvimento em Oftalmologia LTDA](https://appshunter.io/developer/1524074580) | [OFTBOOK OFTALMOLOGIA DIGITAL LTDA](https://appshunter.io/developer/1616321191) |

## What reviewers say

### Eyedea Refractive

[App page](https://appshunter.io/ios/app/eyedea-refractive/id1501282600)

This medical app assists ophthalmologists in pre-operative evaluations for refractive surgeries like Lasik and PRK. It calculates various metrics after applying nomograms, aiding in surgical indication judgments alongside clinical evaluation.

**Highlights:** Refractive surgery calculator, Pre-operative evaluation tool, LASIK, Lenticular Extraction, PRK support, Nomogram application, Post-surgery refraction calculation, Residual stromal bed estimation

**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 Eyedea Refractive free?

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

### Is Oftbook free?

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

### Do Eyedea Refractive or Oftbook have ads?

Neither Eyedea Refractive nor Oftbook shows ads.

### Which is updated more often, Eyedea Refractive or Oftbook?

Eyedea Refractive ships an update fortnightly, and Oftbook every 3 days. Most recently, Eyedea Refractive was updated on August 29, 2026 and Oftbook on September 23, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*