# Calculator Mate vs Chess Timer Professional

The clearest difference is update cadence: Chess Timer Professional at every 4 days against Calculator Mate's every 19 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Calculator Mate sells 6 in-app purchases, starting at $1.99 per 7 days and Chess Timer Professional sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Calculator Mate ships an update every 19 months, Chess Timer Professional every 4 days. The most recent releases landed on October 9, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Calculator Mate | Chess Timer Professional |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 4 days** |
| Size | 25 MB | 42 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [LINATION TRADING LIMITED](https://appshunter.io/developer/1653062036) | [Necati Tellioglu](https://appshunter.io/developer/1854114287) |

## What reviewers say

### Calculator Mate

[App page](https://appshunter.io/ios/app/calculator-mate-solve-problem/id6444201830)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calculator Unlimited | $1.99 | per 7 days |
| Calculator Unlimited | $2.99 | per 7 days |
| Calculator Unlimited | $4.99 | per month |
| Calculator Unlimited | $6.99 | per month |
| Calculator Unlimited | $16.99 | per year |
| Calculator Unlimited | $22.99 | per year |


### Chess Timer Professional

[App page](https://appshunter.io/ios/app/chess-timer-professional/id6755478645)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chess Timer Pro Monthly | $2.99 | per month |
| Chess Timer Pro Yearly | $14.99 | per year |


## Frequently asked questions

### Is Calculator Mate free?

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

### Is Chess Timer Professional free?

Chess Timer Professional is free to download, with in-app purchases available.

### Do Calculator Mate or Chess Timer Professional have ads?

Neither Calculator Mate nor Chess Timer Professional shows ads.

### Which is updated more often, Calculator Mate or Chess Timer Professional?

Calculator Mate ships an update every 19 months, and Chess Timer Professional every 4 days. Most recently, Calculator Mate was updated on October 9, 2026 and Chess Timer Professional on October 12, 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.*