# Time Tracker Pro vs PrefixCalc

The clearest difference is iOS requirement: PrefixCalc at 12.0 against Time Tracker Pro's 15.6. 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 | Time Tracker Pro | PrefixCalc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Size | 49 MB | 28 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JON GUILLO RODRIGUEZ](https://appshunter.io/developer/1691794866) | [YONAGARE LAB](https://appshunter.io/developer/1810986554) |

## What reviewers say

### Time Tracker Pro

[App page](https://appshunter.io/ios/app/time-tracker-pro-timepilot/id6745775229)

**Features:** macOS Compatibility

**In-app purchases:** none


### PrefixCalc

[App page](https://appshunter.io/ios/app/prefixcalc/id6748650037)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Time Tracker Pro free?

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

### Is PrefixCalc free?

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

### Do Time Tracker Pro or PrefixCalc have ads?

Neither Time Tracker Pro nor PrefixCalc 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.*