# Overtime Calculator plus vs Datata

The clearest difference is in-app purchases: Overtime Calculator plus at none against Datata's 1. Overtime Calculator plus also leads on iOS requirement (11.0 vs 17.0). Datata's advantage is update cadence (every 8 days vs every 17 months). On price, ads and device support there is nothing between them.

Both are free to download. Datata sells 1 one-off in-app purchase. Overtime Calculator plus asks for nothing beyond the download.

Overtime Calculator plus ships an update every 17 months, Datata every 8 days. The most recent releases landed on October 14, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Overtime Calculator plus | Datata |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 8 days** |
| Size | 31 MB | 29 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [AMAR AWNI](https://appshunter.io/developer/1551109915) | [茜 赵](https://appshunter.io/developer/1896471528) |

## What reviewers say

### Overtime Calculator plus

[App page](https://appshunter.io/ios/app/overtime-calculator-plus/id1615042862)

**Features:** macOS Compatibility

**In-app purchases:** none


### Datata

[App page](https://appshunter.io/ios/app/datata/id6798297393)

**Features:** Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Datata Pro | $2.99 | one-time |


## Frequently asked questions

### Is Overtime Calculator plus free?

Overtime Calculator plus is free to download, with no in-app purchases.

### Is Datata free?

Datata is free to download, with in-app purchases available.

### Do Overtime Calculator plus or Datata have ads?

Neither Overtime Calculator plus nor Datata shows ads.

### Which is updated more often, Overtime Calculator plus or Datata?

Overtime Calculator plus ships an update every 17 months, and Datata every 8 days. Most recently, Overtime Calculator plus was updated on October 14, 2026 and Datata on October 20, 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.*