# WHOeyes vs UbiVision Eye Chart

The clearest difference is in-app purchases: WHOeyes at none against UbiVision Eye Chart's 3. WHOeyes also leads on iOS requirement (15.6 vs 17.0). UbiVision Eye Chart's advantage is update cadence (weekly vs every 6 months). On price, ads and device support there is nothing between them.

Both are free to download. UbiVision Eye Chart sells 3 one-off in-app purchases. WHOeyes asks for nothing beyond the download.

WHOeyes ships an update every 6 months, UbiVision Eye Chart weekly. The most recent releases landed on November 12, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | WHOeyes | UbiVision Eye Chart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.5 (4 ratings)](https://appshunter.io/ios/app/whoeyes/id6463576815/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Weekly** |
| Monetization | Free | — |
| Size | 18 MB | 3 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | +12 | 4+ |
| Developer | [World Health Organization](https://appshunter.io/developer/1462736279) | [Ingenieurbüro Edelmann](https://appshunter.io/developer/388950544) |

## What reviewers say

### WHOeyes

[App page](https://appshunter.io/ios/app/whoeyes/id6463576815)

This application offers a free vision screening tool to help identify potential vision impairments. It simulates standard eye chart tests for both distance and near vision, suitable for users aged 8 and above. Regular use can aid in early detection, encouraging timely professional eye care.

**Highlights:** Distance vision test, Near vision test, Simulates eye chart, Suitable for ages 8+, Free to use

**In-app purchases:** none


### UbiVision Eye Chart

[App page](https://appshunter.io/ios/app/ubivision-eye-chart/id6744323089)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy another test | $1.99 | one-time |
| Buy three more tests | $2.99 | one-time |
| Buy five more tests | $3.99 | one-time |


## Frequently asked questions

### Is WHOeyes free?

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

### Is UbiVision Eye Chart free?

UbiVision Eye Chart is free to download, with in-app purchases available.

### Do WHOeyes or UbiVision Eye Chart have ads?

Neither WHOeyes nor UbiVision Eye Chart shows ads.

### Which is updated more often, WHOeyes or UbiVision Eye Chart?

WHOeyes ships an update every 6 months, and UbiVision Eye Chart weekly. Most recently, WHOeyes was updated on November 12, 2026 and UbiVision Eye Chart on October 30, 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.*