# Blitz Chess Clock vs VI'O Clock

The clearest difference is iOS requirement: Blitz Chess Clock at 16.0 against VI'O Clock's 26.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Blitz Chess Clock sells 3 one-off in-app purchases and VI'O Clock sells 4 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Blitz Chess Clock | VI'O Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (6 ratings)](https://appshunter.io/ios/app/blitz-chess-clock/id6450015123/reviews)** | — |
| Number of ratings | **6** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 81 MB | 42 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 12+ | 17+ |
| Developer | [Niklas Baudy](https://appshunter.io/developer/1543597939) | [Bhanu Mahesh](https://appshunter.io/developer/6774841464) |

## What reviewers say

### Blitz Chess Clock

[App page](https://appshunter.io/ios/app/blitz-chess-clock/id6450015123)

This application functions as a versatile timer for playing chess and other board games. It supports various time control modes, allows for custom time settings per player, and offers theme customization for the timer interface.

**Highlights:** Multiple chess time control modes, Customizable time settings per player, User-created time modes, Customizable watch themes, Supports games like Go

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Themes | $1.99 | one-time |
| Remove ads | $2.99 | one-time |
| Premium - Unlock everything | $3.99 | one-time |


### VI'O Clock

[App page](https://appshunter.io/ios/app/vio-clock/id6788262763)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VI'O VIP Monthly | $4.99 | per month |
| VI'O VIP Annual | $24.99 | per year |
| VI'O VIP First Year | $24.99 | per year |
| VI'O Founders Pass | $49.99 | one-time |


## Frequently asked questions

### Is Blitz Chess Clock free?

Blitz Chess Clock is free to download, with in-app purchases available.

### Is VI'O Clock free?

VI'O Clock is free to download, with in-app purchases available.

### Do Blitz Chess Clock or VI'O Clock have ads?

Neither Blitz Chess Clock nor VI'O Clock shows ads.

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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.*