# TestGorilla Prep vs Consulting Mental Math

The clearest difference is update cadence: TestGorilla Prep at every 3 weeks against Consulting Mental Math's every 5 weeks. TestGorilla Prep also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.6). On price, ads and in-app purchases there is nothing between them.

Both are free to download. TestGorilla Prep sells 3 in-app purchases, starting at $0.99 per 7 days and Consulting Mental Math sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

TestGorilla Prep ships an update every 3 weeks, Consulting Mental Math every 5 weeks. The most recent releases landed on September 24, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | TestGorilla Prep | Consulting Mental Math |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Size | 70 MB | 2 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Mohcine Mabani](https://appshunter.io/developer/1884595591) | [Soham Bose](https://appshunter.io/developer/1641368323) |

## What reviewers say

### TestGorilla Prep

[App page](https://appshunter.io/ios/app/testgorilla-prep-ccat-test/id6760470310)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscribe Weekly | $0.99 | per 7 days |
| Subscribe Monthly | $3.99 | per month |
| Subscribe Yearly | $19.99 | per year |


### Consulting Mental Math

[App page](https://appshunter.io/ios/app/consulting-mental-math/id6761562339)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Premium Tiers | $4.99 | one-time |


## Frequently asked questions

### Is TestGorilla Prep free?

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

### Is Consulting Mental Math free?

Consulting Mental Math is free to download, with in-app purchases available.

### Do TestGorilla Prep or Consulting Mental Math have ads?

Neither TestGorilla Prep nor Consulting Mental Math shows ads.

### Which is updated more often, TestGorilla Prep or Consulting Mental Math?

TestGorilla Prep ships an update every 3 weeks, and Consulting Mental Math every 5 weeks. Most recently, TestGorilla Prep was updated on September 24, 2026 and Consulting Mental Math on September 7, 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.*