# RD Chess Timer vs Blitz Clock

The clearest difference is update cadence: RD Chess Timer at every 6 days against Blitz Clock's every 3 months. 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.

RD Chess Timer ships an update every 6 days, Blitz Clock every 3 months. The most recent releases landed on October 8, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | RD Chess Timer | Blitz Clock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 3 months |
| Size | 26 MB | 1 MB |
| Requires iOS | 26.0 | 26.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Raghul S](https://appshunter.io/developer/1344469407) | [Mekala Vamsi Krishna](https://appshunter.io/developer/1855017172) |

## What reviewers say

### RD Chess Timer

[App page](https://appshunter.io/ios/app/rd-chess-timer/id6760386789)

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

**In-app purchases:** none


### Blitz Clock

[App page](https://appshunter.io/ios/app/blitz-clock/id6761469832)

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

**In-app purchases:** none


## Frequently asked questions

### Is RD Chess Timer free?

RD Chess Timer is free to download, with no in-app purchases.

### Is Blitz Clock free?

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

### Do RD Chess Timer or Blitz Clock have ads?

Neither RD Chess Timer nor Blitz Clock shows ads.

### Which is updated more often, RD Chess Timer or Blitz Clock?

RD Chess Timer ships an update every 6 days, and Blitz Clock every 3 months. Most recently, RD Chess Timer was updated on October 8, 2026 and Blitz Clock on October 9, 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.*