# GRE Exam Practice Test vs Watson

The clearest difference is update cadence: Watson at fortnightly against GRE Exam Practice Test's every 4 months. Watson also leads on iOS requirement (13.0 vs 16.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. GRE Exam Practice Test sells 3 in-app purchases, starting at $0.99 per 7 days and Watson sells 4 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

GRE Exam Practice Test ships an update every 4 months, Watson fortnightly. The most recent releases landed on October 13, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | GRE Exam Practice Test | Watson |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Size | 22 MB | 24 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [iAPPSSTUDIO](https://appshunter.io/developer/1830642259) | [FLY SKY PTY LTD](https://appshunter.io/developer/1838696534) |

## What reviewers say

### GRE Exam Practice Test

[App page](https://appshunter.io/ios/app/gre-exam-practice-test/id6757998520)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium Access | $0.99 | per 7 days |
| Yearly Premium Access | $29.99 | per year |
| Get Lifetime Access | $7.99 | one-time |


### Watson

[App page](https://appshunter.io/ios/app/watson-glaser-test-prep/id6774839071)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Watson-Glaser Full Access | $6.99 | per 7 days |
| Watson-Glaser Full Access | $16.99 | per month |
| Watson-Glaser Full Access | $39.99 | per 3 months |
| Unlock Full Access | $4.99 | one-time |


## Frequently asked questions

### Is GRE Exam Practice Test free?

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

### Is Watson free?

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

### Do GRE Exam Practice Test or Watson have ads?

Neither GRE Exam Practice Test nor Watson shows ads.

### Which is updated more often, GRE Exam Practice Test or Watson?

GRE Exam Practice Test ships an update every 4 months, and Watson fortnightly. Most recently, GRE Exam Practice Test was updated on October 13, 2026 and Watson 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.*