# Knowledgetraining vs Triangle Test

The clearest difference is in-app purchases: Knowledgetraining at none against Triangle Test's 2. Knowledgetraining also leads on iOS requirement (13.0 vs 17.6). Triangle Test's advantage is update cadence (fortnightly vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Triangle Test sells 2 in-app purchases, starting at $3.99 per month. Knowledgetraining asks for nothing beyond the download.

Knowledgetraining ships an update every 2 months, Triangle Test fortnightly. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Knowledgetraining | Triangle Test |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Size | 19 MB | 16 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Frank Tautges](https://appshunter.io/developer/1718994207) | [Felix Desiderato](https://appshunter.io/developer/1742514874) |

## What reviewers say

### Knowledgetraining

[App page](https://appshunter.io/ios/app/knowledgetraining/id6474093245)

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

**In-app purchases:** none


### Triangle Test

[App page](https://appshunter.io/ios/app/triangle-test/id6754271995)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Access | $3.99 | per month |
| Lifetime Access | $5.99 | one-time |


## Frequently asked questions

### Is Knowledgetraining free?

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

### Is Triangle Test free?

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

### Do Knowledgetraining or Triangle Test have ads?

Neither Knowledgetraining nor Triangle Test shows ads.

### Which is updated more often, Knowledgetraining or Triangle Test?

Knowledgetraining ships an update every 2 months, and Triangle Test fortnightly. Most recently, Knowledgetraining was updated on October 30, 2026 and Triangle Test 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.*