# Mental Abacus vs Mnemonics Maker

The clearest difference is price: Mnemonics Maker at Free against Mental Abacus's $8.99. Mnemonics Maker also leads on update cadence (every 2 months vs every 13 months) and iOS requirement (13.0 vs 15.0). Mental Abacus's advantage is in-app purchases (none vs 1). On ads and device support there is nothing between them.

Mnemonics Maker is free to download; Mental Abacus costs $8.99 up front. Mnemonics Maker sells 1 one-off in-app purchase. Mental Abacus asks for nothing beyond the download.

Mental Abacus ships an update every 13 months, Mnemonics Maker every 2 months. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Mental Abacus | Mnemonics Maker |
| --- | --- | --- |
| Price | $8.99 | **Free** |
| Rating | **[3.9 (7 ratings)](https://appshunter.io/ios/app/mental-abacus/id489127101/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 2 months** |
| Monetization | Paid | — |
| Size | 17 MB | 53 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Hamster Force Multimedia Ltd.](https://appshunter.io/developer/443416476) | [Keith Harryman](https://appshunter.io/developer/1693739510) |

## What reviewers say

### Mental Abacus

[App page](https://appshunter.io/ios/app/mental-abacus/id489127101)

Master abacus mental arithmetic with illustrated tutorials and a step-by-step demonstrator. Practice calculations on a virtual abacus and learn the two-hands fingering method to enhance right brain functions. Ideal for self-learning addition and subtraction.

**Highlights:** Illustrated tutorials, Step-by-step demonstrator, Virtual abacus practice, Two hands fingering method, Addition and subtraction, Rapid calculation exercises

**Features:** Vision Pro support

**In-app purchases:** none


### Mnemonics Maker

[App page](https://appshunter.io/ios/app/mnemonics-maker/id6470495962)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads on Mnemonics Maker | $0.99 | one-time |


## Frequently asked questions

### Is Mental Abacus free?

Mental Abacus costs $8.99, with no in-app purchases.

### Is Mnemonics Maker free?

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

### Do Mental Abacus or Mnemonics Maker have ads?

Neither Mental Abacus nor Mnemonics Maker shows ads.

### Which is updated more often, Mental Abacus or Mnemonics Maker?

Mental Abacus ships an update every 13 months, and Mnemonics Maker every 2 months. Most recently, Mental Abacus was updated on October 8, 2026 and Mnemonics Maker on October 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.*