# Eyedea Refractive vs Au!Happy

The clearest difference is iOS requirement: Au!Happy at 13.0 against Eyedea Refractive's 15.6. On price, update cadence, ads and in-app purchases 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, Au!Happy every 2 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | Eyedea Refractive | Au!Happy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/eyedea-refractive/id1501282600/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 57 MB | 92 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | +4 |
| Developer | [Eyedea Educacao e Desenvolvimento em Oftalmologia LTDA](https://appshunter.io/developer/1524074580) | [PRIME GESTAO LTDA](https://appshunter.io/developer/1603476212) |

## 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


### Au!Happy

[App page](https://appshunter.io/ios/app/auhappy/id1605829093)

Manage your pet's health plan with ease. Access plan details, billing, find accredited providers, and track appointments and exams. Connect directly with customer support for seamless pet care management.

**Highlights:** 2nd copy of invoices, Plan information, Accredited network access, Appointment tracking, Exam tracking, Customer support contact

**In-app purchases:** none


## Frequently asked questions

### Is Eyedea Refractive free?

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

### Is Au!Happy free?

Au!Happy is free to download, with no in-app purchases.

### Do Eyedea Refractive or Au!Happy have ads?

Neither Eyedea Refractive nor Au!Happy shows ads.

### Which is updated more often, Eyedea Refractive or Au!Happy?

Eyedea Refractive ships an update fortnightly, and Au!Happy every 2 weeks. Most recently, Eyedea Refractive was updated on November 3, 2026 and Au!Happy on November 3, 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.*