# Math Formulas vs Mental Abacus

The clearest difference is price: Math Formulas at $0.99 against Mental Abacus's $8.99. Math Formulas also leads on update cadence (monthly vs every 13 months). Mental Abacus's advantage is device support (4 vs 2) and iOS requirement (15.0 vs 17.6). On rating, review sentiment, ratings volume and ads there is nothing between them.

Math Formulas costs $0.99 and Mental Abacus $8.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Math Formulas holds the better App Store score, 4.1 against 3.9. Both are backed by a comparable volume of ratings — 11 and 7 respectively. Written reviews split almost evenly too, at 68% and 67% positive.

Math Formulas ships an update monthly, Mental Abacus every 13 months. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Math Formulas | Mental Abacus |
| --- | --- | --- |
| Price | **$0.99** | $8.99 |
| Rating | **[4.1 (11 ratings)](https://appshunter.io/ios/app/math-formulas-ref-guide/id423545644/reviews)** | [3.9 (7 ratings)](https://appshunter.io/ios/app/mental-abacus/id489127101/reviews) |
| Number of ratings | **11** | 7 |
| Positive reviews | **67.5% of reviews** | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 13 months |
| Monetization | **Free** | Paid |
| Size | 18 MB | 17 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Oddrobo Software AB](https://appshunter.io/developer/423545647) | [Hamster Force Multimedia Ltd.](https://appshunter.io/developer/443416476) |

## What reviewers say

### Math Formulas

[App page](https://appshunter.io/ios/app/math-formulas-ref-guide/id423545644)

Access over 100 high school level math formulas covering algebra, geometry, calculus, trigonometry, probability, and statistics. Includes examples for clarity and a search function to quickly find needed information. Ideal for students, teachers, and math enthusiasts.

**Highlights:** 100+ math formulas, Algebra, geometry, calculus, trig, Probability and statistics, Formulas with examples, Powerful search function, Favorite formulas

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Math Formulas free?

Math Formulas costs $0.99, with no in-app purchases.

### Is Mental Abacus free?

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

### Which has better reviews, Math Formulas or Mental Abacus?

Math Formulas is rated higher. Math Formulas averages 4.1 out of 5 from 11 ratings, while Mental Abacus averages 3.9 from 7 ratings.

### Do Math Formulas or Mental Abacus have ads?

Neither Math Formulas nor Mental Abacus shows ads.

### Which is updated more often, Math Formulas or Mental Abacus?

Math Formulas ships an update monthly, and Mental Abacus every 13 months. Most recently, Math Formulas was updated on October 7, 2026 and Mental Abacus on October 8, 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.*