# Eye Dominance Evaluation vs Drowsa

The clearest difference is in-app purchases: Eye Dominance Evaluation at none against Drowsa's 2. Eye Dominance Evaluation also leads on iOS requirement (15.1 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Drowsa sells 2 in-app purchases, starting at $4.99 per month. Eye Dominance Evaluation asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Eye Dominance Evaluation | Drowsa |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/eye-dominance-evaluation/id6756287999/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Paid | — |
| Size | 34 MB | 3 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Omnivorous Labs LLC](https://appshunter.io/developer/1859869491) | [Jiandou Technology Co., Ltd.](https://appshunter.io/developer/985566466) |

## What reviewers say

### Eye Dominance Evaluation

[App page](https://appshunter.io/ios/app/eye-dominance-evaluation/id6756287999)

Determine your eye dominance with a camera-based test. This app provides precise, quantitative measurements to track changes over time, offering insights for sports, photography, and vision training.

**Highlights:** Quantitative eye dominance measurements, Strength and trend analysis, Test history and detailed reports, PDF export for records, Privacy-focused local data storage, Step-by-step testing instructions

**Features:** macOS Compatibility

**In-app purchases:** none


### Drowsa

[App page](https://appshunter.io/ios/app/drowsa-night-shift-sleep/id6773168860)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Drowsa Pro Monthly | $4.99 | per month |
| Drowsa Pro Annual | $29.99 | per year |


## Frequently asked questions

### Is Eye Dominance Evaluation free?

Eye Dominance Evaluation is free to download, with no in-app purchases.

### Is Drowsa free?

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

### Do Eye Dominance Evaluation or Drowsa have ads?

Neither Eye Dominance Evaluation nor Drowsa shows ads.

### Which is updated more often, Eye Dominance Evaluation or Drowsa?

Eye Dominance Evaluation ships an update every 3 weeks, and Drowsa every 3 weeks. Most recently, Eye Dominance Evaluation was updated on October 30, 2026 and Drowsa 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.*