# Eyedea Refractive vs Keraring Planner

The clearest difference is update cadence: Eyedea Refractive at fortnightly against Keraring Planner's every 5 weeks. Keraring Planner's advantage is iOS requirement (13.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Eyedea Refractive ships an update fortnightly, Keraring Planner every 5 weeks. The most recent releases landed on October 16, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Eyedea Refractive | Keraring Planner |
| --- | --- | --- |
| 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 | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 5 weeks |
| Monetization | Free | — |
| Size | 57 MB | 30 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Eyedea Educacao e Desenvolvimento em Oftalmologia LTDA](https://appshunter.io/developer/1524074580) | [Claudio Curi](https://appshunter.io/developer/1090903198) |

## 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


### Keraring Planner

[App page](https://appshunter.io/ios/app/keraring-planner/id6504206835)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Eyedea Refractive free?

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

### Is Keraring Planner free?

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

### Do Eyedea Refractive or Keraring Planner have ads?

Neither Eyedea Refractive nor Keraring Planner shows ads.

### Which is updated more often, Eyedea Refractive or Keraring Planner?

Eyedea Refractive ships an update fortnightly, and Keraring Planner every 5 weeks. Most recently, Eyedea Refractive was updated on October 16, 2026 and Keraring Planner on October 10, 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.*