# Mental Math for Work vs CalcMaster

Mental Math for Work and CalcMaster are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Mental Math for Work sells 2 in-app purchases, starting at $1.99 per month and CalcMaster sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Mental Math for Work ships an update weekly, CalcMaster every 9 days. The most recent releases landed on September 29, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Mental Math for Work | CalcMaster |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 9 days |
| Size | 15 MB | 15 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shota Morioka](https://appshunter.io/developer/483674380) | [Yoshitaka Tanaka](https://appshunter.io/developer/1510093015) |

## What reviewers say

### Mental Math for Work

[App page](https://appshunter.io/ios/app/mental-math-for-work/id6766879948)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $1.99 | per month |
| Premium Lifetime | $9.99 | one-time |


### CalcMaster

[App page](https://appshunter.io/ios/app/calcmaster-math-practice/id6767875466)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CalcMaster Full Pack | $9.99 | one-time |


## Frequently asked questions

### Is Mental Math for Work free?

Mental Math for Work is free to download, with in-app purchases available.

### Is CalcMaster free?

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

### Do Mental Math for Work or CalcMaster have ads?

Neither Mental Math for Work nor CalcMaster shows ads.

### Which is updated more often, Mental Math for Work or CalcMaster?

Mental Math for Work ships an update weekly, and CalcMaster every 9 days. Most recently, Mental Math for Work was updated on September 29, 2026 and CalcMaster 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.*