# Jod vs Chess Clock

The clearest difference is ads: Jod at none against Chess Clock's shown. Jod also leads on update cadence (fortnightly vs every 2 months) and iOS requirement (11.0 vs 15.0). On price, 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.

Jod ships an update fortnightly, Chess Clock every 2 months. The most recent releases landed on October 6, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Jod | Chess Clock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 2 months |
| Size | 26 MB | 6 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Logical Loop](https://appshunter.io/developer/1566781119) | [Nandha Kumar Ravi](https://appshunter.io/developer/1430918680) |

## What reviewers say

### Jod

[App page](https://appshunter.io/ios/app/jod-e/id1566781117)

**Features:** macOS Compatibility

**In-app purchases:** none


### Chess Clock

[App page](https://appshunter.io/ios/app/chess-clock-timer/id6477877344)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Jod free?

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

### Is Chess Clock free?

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

### Do Jod or Chess Clock have ads?

Chess Clock shows ads; Jod does not.

### Which is updated more often, Jod or Chess Clock?

Jod ships an update fortnightly, and Chess Clock every 2 months. Most recently, Jod was updated on October 6, 2026 and Chess Clock on October 13, 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.*