# Mental Math Exercises vs ReplayWord

The clearest difference is price: Mental Math Exercises at $0.29 against ReplayWord's $10.00. Mental Math Exercises also leads on in-app purchases (none vs 12). ReplayWord's advantage is update cadence (every 3 weeks vs every 2 months). On ads, device support and iOS requirement there is nothing between them.

Mental Math Exercises costs $0.29 and ReplayWord $10.00 up front. ReplayWord sells 6 in-app purchases, starting at $0.49 per month. Mental Math Exercises asks for nothing beyond the download.

Mental Math Exercises ships an update every 2 months, ReplayWord every 3 weeks. The most recent releases landed on October 3, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Mental Math Exercises | ReplayWord |
| --- | --- | --- |
| Price | **$0.29** | $10.00 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 1 MB | 11 MB |
| Requires iOS | 17.6 | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [仁超 张](https://appshunter.io/developer/1792659119) | [Lydia Fesseha](https://appshunter.io/developer/1802008415) |

## What reviewers say

### Mental Math Exercises

[App page](https://appshunter.io/ios/app/mental-math-exercises/id6741766258)

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

**In-app purchases:** none


### ReplayWord

[App page](https://appshunter.io/ios/app/replayword/id6743350993)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ReplayWord/month | $0.49 | per month |
| Subscription | $1.00 | per month |
| ReplayWord | $1.00 | per month |
| ReplayWord | $1.49 | per month |
| ReplayWord/Year | $7.99 | per year |
| ReplayWord | $12.00 | per year |


## Frequently asked questions

### Is Mental Math Exercises free?

Mental Math Exercises costs $0.29, with no in-app purchases.

### Is ReplayWord free?

ReplayWord costs $10.00, and also offers in-app purchases.

### Do Mental Math Exercises or ReplayWord have ads?

Neither Mental Math Exercises nor ReplayWord shows ads.

### Which is updated more often, Mental Math Exercises or ReplayWord?

Mental Math Exercises ships an update every 2 months, and ReplayWord every 3 weeks. Most recently, Mental Math Exercises was updated on October 3, 2026 and ReplayWord 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.*