# numember vs Triangle Test

The clearest difference is price: Triangle Test at Free against numember's $0.99. Triangle Test also leads on update cadence (fortnightly vs every 2 months). numember's advantage is in-app purchases (none vs 2) and iOS requirement (14.1 vs 17.6). On ads and device support there is nothing between them.

Triangle Test is free to download; numember costs $0.99 up front. Triangle Test sells 2 in-app purchases, starting at $3.99 per month. numember asks for nothing beyond the download.

numember ships an update every 2 months, Triangle Test fortnightly. The most recent releases landed on September 24, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | numember | Triangle Test |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Positive reviews | 55.6% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Paid | — |
| Size | 26 MB | 16 MB |
| Requires iOS | **14.1** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Suited Technologies GmbH](https://appshunter.io/developer/1564707135) | [Felix Desiderato](https://appshunter.io/developer/1742514874) |

## What reviewers say

### numember

[App page](https://appshunter.io/ios/app/numember/id1271200592)

Learn to memorize numbers effectively using the "major system" technique. This app helps you recall PINs, phone numbers, birthdays, and academic information by converting numbers into words. Become a memory artist and impress others with your enhanced number-based knowledge.

**Highlights:** Major system technique explanation, Number-to-word generator, Memorize PINs and phone numbers, Aid for academic studies, Extensive word database, macOS version available

**Features:** 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 numember free?

numember costs $0.99, with no in-app purchases.

### Is Triangle Test free?

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

### Do numember or Triangle Test have ads?

Neither numember nor Triangle Test shows ads.

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

numember ships an update every 2 months, and Triangle Test fortnightly. Most recently, numember was updated on September 24, 2026 and Triangle Test on September 29, 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.*