# One Million Checkmates vs Zenmate

The clearest difference is update cadence: One Million Checkmates at fortnightly against Zenmate's every 6 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

One Million Checkmates ships an update fortnightly, Zenmate every 6 weeks. The most recent releases landed on November 9, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | One Million Checkmates | Zenmate |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 6 weeks |
| Size | 143 MB | 4 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Luke Salamone](https://appshunter.io/developer/1894432834) | [Timothy Nice](https://appshunter.io/developer/1717668220) |

## What reviewers say

### One Million Checkmates

[App page](https://appshunter.io/ios/app/one-million-checkmates/id6762503545)

**In-app purchases:** none


### Zenmate

[App page](https://appshunter.io/ios/app/zenmate-mindful-chess/id6776354031)

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

**In-app purchases:** none


## Frequently asked questions

### Is One Million Checkmates free?

One Million Checkmates is free to download, with no in-app purchases.

### Is Zenmate free?

Zenmate is free to download, with no in-app purchases.

### Do One Million Checkmates or Zenmate have ads?

Neither One Million Checkmates nor Zenmate shows ads.

### Which is updated more often, One Million Checkmates or Zenmate?

One Million Checkmates ships an update fortnightly, and Zenmate every 6 weeks. Most recently, One Million Checkmates was updated on November 9, 2026 and Zenmate on November 10, 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.*