# ABO Practice Test vs What They See

The clearest difference is update cadence: What They See at fortnightly against ABO Practice Test's every 3 months. ABO Practice Test's advantage is iOS requirement (15.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. ABO Practice Test sells 1 in-app purchase, starting at $7.00 per month and What They See sells 12 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ABO Practice Test ships an update every 3 months, What They See fortnightly. The most recent releases landed on October 17, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | ABO Practice Test | What They See |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.2 (39 ratings)](https://appshunter.io/ios/app/what-they-see/id6755517347/reviews)** |
| Number of ratings | — | **39** |
| Positive reviews | — | 37.5% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 3 MB | 85 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Ambitionz Apps](https://appshunter.io/developer/1764753535) | [Special Glasses LLC](https://appshunter.io/developer/1854349802) |

## What reviewers say

### ABO Practice Test

[App page](https://appshunter.io/ios/app/abo-practice-test/id6740045320)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ABO Practice Test | $7.00 | per month |


### What They See

[App page](https://appshunter.io/ios/app/what-they-see/id6755517347)

This app simulates various vision conditions and color blindness in real-time using your device's camera. Explore how different visual impairments and animal vision affect perception, with educational guides and sharing capabilities.

**Highlights:** Real-time vision condition simulation, Colorblindness simulation, Animal vision simulation, Dyslexia text transformation, In-depth educational guides, Photo and video capture with simulation, Sharing capabilities

**Features:** Family Sharing

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Astigmatism | $1.99 | one-time |
| Cataracts | $1.99 | one-time |
| Protanopia | $1.99 | one-time |
| Tritanopia | $1.99 | one-time |
| Keratoconus | $2.99 | one-time |
| Baby Vision | $2.99 | one-time |
| All Color Blindness | $3.99 | one-time |
| All Dyslexia Simulations | $4.99 | one-time |
| All Animal Vision | $7.99 | one-time |
| All Vision Impairments | $12.99 | one-time |
| Unlock Everything | $14.99 | one-time |
| Unlock Everything | $24.99 | one-time |


## Frequently asked questions

### Is ABO Practice Test free?

ABO Practice Test is free to download, with in-app purchases available.

### Is What They See free?

What They See is free to download, with in-app purchases available.

### Do ABO Practice Test or What They See have ads?

Neither ABO Practice Test nor What They See shows ads.

### Which is updated more often, ABO Practice Test or What They See?

ABO Practice Test ships an update every 3 months, and What They See fortnightly. Most recently, ABO Practice Test was updated on October 17, 2026 and What They See on October 25, 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.*