# ClockWork Time Tracker vs Calculation

The clearest difference is update cadence: ClockWork Time Tracker at every 6 days against Calculation's every 2 months. ClockWork Time Tracker also leads on device support (3 vs 1) and iOS requirement (13.0 vs 16.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ClockWork Time Tracker ships an update every 6 days, Calculation every 2 months. The most recent releases landed on September 25, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | ClockWork Time Tracker | Calculation |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 6 days** | Every 2 months |
| Size | 16 MB | 7 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kollin Murphy](https://appshunter.io/developer/1570579811) | [SooRyong Hyun](https://appshunter.io/developer/1685604103) |

## What reviewers say

### ClockWork Time Tracker

[App page](https://appshunter.io/ios/app/clockwork-time-tracker/id1663577374)

**Features:** macOS Compatibility

**In-app purchases:** none


### Calculation

[App page](https://appshunter.io/ios/app/calculation-basic-calculator/id6462632655)

**In-app purchases:** none


## Frequently asked questions

### Is ClockWork Time Tracker free?

ClockWork Time Tracker is free to download, with no in-app purchases.

### Is Calculation free?

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

### Do ClockWork Time Tracker or Calculation have ads?

Both ClockWork Time Tracker and Calculation show ads.

### Which is updated more often, ClockWork Time Tracker or Calculation?

ClockWork Time Tracker ships an update every 6 days, and Calculation every 2 months. Most recently, ClockWork Time Tracker was updated on September 25, 2026 and Calculation on September 30, 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.*