Eye DPI Test vs Retinal
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Eye DPI Test
This utility app helps you understand screen resolution and its impact on your vision. It explores concepts like 326 DPI and the perceived limits of screen or eye vision.
- Screen resolution analysis
- Eye vision limit exploration
- DPI concept explanation
- Device compatibility check
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XS or XR ? Why 326 dpi? 300 dpi - screen or eye vision limit? Look it first! Check your eyes & screen with "Eye DPI Test" and find the answer.
Retinal
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Not all displays for Mac are well suited to display the user interface in a non-scaled resolution. A pixel density of about 110 pixels per inch (PPI) for non-Retina, and about 220 PPI for Retina is comfortable for most people. Use Retinal to work out the pixel density of any display.
Screenshots
Verdict
The clearest difference is update cadence: Retinal at fortnightly against Eye DPI Test's every 25 months. Eye DPI Test's advantage is device support (3 vs 1) and iOS requirement (9.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Eye DPI Test ships an update every 25 months, Retinal fortnightly. The most recent releases landed on October 7, 2026 and October 11, 2026 respectively.
| Parameter | Eye DPI Test | Retinal |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (2 ratings) — better | — |
| Positive reviews | 66.7% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 25 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 9.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 15 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Aleksandr Varaksa | Nico Rohrbach |
In-app purchases
Eye DPI Test
No in-app purchases
Retinal
No in-app purchases
