# Mad Math vs Mental Calculation & Abacus

The clearest difference is rating: Mental Calculation & Abacus at 4.8 against Mad Math's 3.5. Mental Calculation & Abacus also leads on in-app purchases (none vs 5) and review sentiment (100% vs 91%). Mad Math's advantage is ads (none vs shown) and update cadence (every 2 months vs every 6 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Mad Math sells 5 one-off in-app purchases. Mental Calculation & Abacus asks for nothing beyond the download.

Mental Calculation & Abacus holds the better App Store score, 4.8 against 3.5. Both are backed by a comparable volume of ratings — 14 and 4 respectively. Written reviews point the same way: 91% of Mad Math's written reviews are positive against 100% of Mental Calculation & Abacus's.

Mad Math ships an update every 2 months, Mental Calculation & Abacus every 6 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Mad Math | Mental Calculation & Abacus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (14 ratings)](https://appshunter.io/ios/app/mad-math/id1050158206/reviews) | **[4.8 (4 ratings)](https://appshunter.io/ios/app/mental-calculation-and-abacus/id1582407909/reviews)** |
| Number of ratings | **14** | 4 |
| Positive reviews | 91.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 6 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 5 MB | 143 MB |
| Requires iOS | 13 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mikhail Akopov](https://appshunter.io/developer/467468541) | [Park Jisang](https://appshunter.io/developer/995438886) |

## What reviewers say

### Mad Math

[App page](https://appshunter.io/ios/app/mad-math/id1050158206)

Test your arithmetic skills in this fast-paced brain training game. Solve math problems against the clock and compete with players worldwide in a five-round online challenge.

**Highlights:** Solve arithmetic tasks quickly, Choose correct answer before time runs out, Compete with people worldwide, Online game with five rounds, Winner based on correct answers and speed

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $0.99 | one-time |
| 500 coins | $0.99 | one-time |
| 1,500 coins | $1.99 | one-time |
| 5,000 coins | $2.99 | one-time |
| 20,000 coins | $9.99 | one-time |


### Mental Calculation & Abacus

[App page](https://appshunter.io/ios/app/mental-calculation-and-abacus/id1582407909)

Engage in a fun and educational game designed to enhance mental calculation skills. Learn to use an abacus with an easy-to-follow tutorial and practice with diverse question types.

**Highlights:** Mental calculation practice, Abacus learning tutorial, Variety of practice questions, Suitable for all ages

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

**In-app purchases:** none


## Frequently asked questions

### Is Mad Math free?

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

### Is Mental Calculation & Abacus free?

Mental Calculation & Abacus is free to download, with no in-app purchases.

### Which has better reviews, Mad Math or Mental Calculation & Abacus?

Mental Calculation & Abacus is rated higher. Mad Math averages 3.5 out of 5 from 14 ratings, while Mental Calculation & Abacus averages 4.8 from 4 ratings.

### Do Mad Math or Mental Calculation & Abacus have ads?

Mental Calculation & Abacus shows ads; Mad Math does not.

### Which is updated more often, Mad Math or Mental Calculation & Abacus?

Mad Math ships an update every 2 months, and Mental Calculation & Abacus every 6 months. Most recently, Mad Math was updated on November 2, 2026 and Mental Calculation & Abacus on November 3, 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.*