# Chess Clock Premium vs Add Modulo

The clearest difference is iOS requirement: Add Modulo at 13.0 against Chess Clock Premium's 15.1. 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.

## The numbers

| Metric | Chess Clock Premium | Add Modulo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (9 ratings)](https://appshunter.io/ios/app/chess-clock-premium/id1492492461/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 75 months | — |
| Monetization | Free | — |
| Size | 40 MB | 31 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Ricciotti](https://appshunter.io/developer/327181167) | [Davin Djayadi](https://appshunter.io/developer/1578893528) |

## What reviewers say

### Chess Clock Premium

[App page](https://appshunter.io/ios/app/chess-clock-premium/id1492492461)

A free, simple, and easy-to-use game timer designed for over-the-board chess matches. It offers pre-set timer controls for various chess formats like Blitz, Classical, and Bullet, with support for increment time controls.

**Highlights:** Free to use, Simple and easy interface, Pre-set timer controls, Supports Blitz, Classical, Bullet chess, Increment time control support

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

**In-app purchases:** none


### Add Modulo

[App page](https://appshunter.io/ios/app/add-modulo/id1634506419)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Chess Clock Premium free?

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

### Is Add Modulo free?

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

### Do Chess Clock Premium or Add Modulo have ads?

Neither Chess Clock Premium nor Add Modulo 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.*