# Timesheet Calc vs OT Overtime Tracker

The clearest difference is in-app purchases: Timesheet Calc at none against OT Overtime Tracker's 1. Timesheet Calc also leads on iOS requirement (15.6 vs 17.6). OT Overtime Tracker's advantage is ads (none vs shown) and update cadence (every 2 days vs every 3 months). On price and device support there is nothing between them.

Both are free to download. OT Overtime Tracker sells 1 in-app purchase, starting at $4.99 per year. Timesheet Calc asks for nothing beyond the download.

Timesheet Calc ships an update every 3 months, OT Overtime Tracker every 2 days. The most recent releases landed on October 29, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Timesheet Calc | OT Overtime Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 2 days** |
| Size | 16 MB | 3 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tomoyuki Tanaka](https://appshunter.io/developer/1514608710) | [Michael Dormer](https://appshunter.io/developer/6801596282) |

## What reviewers say

### Timesheet Calc

[App page](https://appshunter.io/ios/app/timesheet-calc-work-hours/id1516198489)

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

**In-app purchases:** none


### OT Overtime Tracker

[App page](https://appshunter.io/ios/app/ot-overtime-tracker/id6801596280)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OT Overtime Tracker Annual | $4.99 | per year |


## Frequently asked questions

### Is Timesheet Calc free?

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

### Is OT Overtime Tracker free?

OT Overtime Tracker is free to download, with in-app purchases available.

### Do Timesheet Calc or OT Overtime Tracker have ads?

Timesheet Calc shows ads; OT Overtime Tracker does not.

### Which is updated more often, Timesheet Calc or OT Overtime Tracker?

Timesheet Calc ships an update every 3 months, and OT Overtime Tracker every 2 days. Most recently, Timesheet Calc was updated on October 29, 2026 and OT Overtime Tracker on October 31, 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.*