# Rapid Clocking vs One Big Green

The clearest difference is update cadence: One Big Green at every 2 weeks against Rapid Clocking's every 2 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.

Rapid Clocking ships an update every 2 months, One Big Green every 2 weeks. The most recent releases landed on October 17, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Rapid Clocking | One Big Green |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Size | 98 MB | 51 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rapid Apps Group](https://appshunter.io/developer/1484965475) | [One Big Green](https://appshunter.io/developer/1762413475) |

## What reviewers say

### Rapid Clocking

[App page](https://appshunter.io/ios/app/rapid-clocking/id6479205362)

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

**In-app purchases:** none


### One Big Green

[App page](https://appshunter.io/ios/app/one-big-green/id6502211625)

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

**In-app purchases:** none


## Frequently asked questions

### Is Rapid Clocking free?

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

### Is One Big Green free?

One Big Green is free to download, with no in-app purchases.

### Do Rapid Clocking or One Big Green have ads?

Neither Rapid Clocking nor One Big Green shows ads.

### Which is updated more often, Rapid Clocking or One Big Green?

Rapid Clocking ships an update every 2 months, and One Big Green every 2 weeks. Most recently, Rapid Clocking was updated on October 17, 2026 and One Big Green on October 16, 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.*