# Altoida vs Covalent ePRO

The clearest difference is update cadence: Covalent ePRO at every 8 days against Altoida's monthly. Altoida's advantage is iOS requirement (13.0 vs 15.1). 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.

Altoida ships an update monthly, Covalent ePRO every 8 days. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Altoida | Covalent ePRO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (29 ratings)](https://appshunter.io/ios/app/altoida/id1133610450/reviews)** | — |
| Number of ratings | **29** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 8 days** |
| Monetization | Free | — |
| Size | 84 MB | 24 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Altoida AG](https://appshunter.io/developer/1133610449) | [Clinion IT Services Private Limited](https://appshunter.io/developer/1565810977) |

## What reviewers say

### Altoida

[App page](https://appshunter.io/ios/app/altoida/id1133610450)

Measure and monitor your brain health with this app-based tool. It uses advanced technology to analyze eye movement for cognitive assessment, providing educational insights. Consult healthcare professionals for personalized advice.

**Highlights:** Brain health measurement, Cognitive assessment aid, Eye movement analysis, Educational insights, Global user community

**In-app purchases:** none


### Covalent ePRO

[App page](https://appshunter.io/ios/app/covalent-epro/id6758387330)

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

**In-app purchases:** none


## Frequently asked questions

### Is Altoida free?

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

### Is Covalent ePRO free?

Covalent ePRO is free to download, with no in-app purchases.

### Do Altoida or Covalent ePRO have ads?

Neither Altoida nor Covalent ePRO shows ads.

### Which is updated more often, Altoida or Covalent ePRO?

Altoida ships an update monthly, and Covalent ePRO every 8 days. Most recently, Altoida was updated on November 2, 2026 and Covalent ePRO on October 31, 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.*