# TimeCalc w/ Watch App vs Wowoo

The clearest difference is ads: Wowoo at none against TimeCalc w/ Watch App's shown. Wowoo also leads on update cadence (fortnightly vs every 3 months) and iOS requirement (13.0 vs 15.0). On price, 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.

TimeCalc w/ Watch App ships an update every 3 months, Wowoo fortnightly. The most recent releases landed on October 16, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | TimeCalc w/ Watch App | Wowoo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Fortnightly** |
| Size | 9 MB | 141 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Legal Prompt Inc.](https://appshunter.io/developer/1490746932) | [Metabit](https://appshunter.io/developer/1868587821) |

## What reviewers say

### TimeCalc w/ Watch App

[App page](https://appshunter.io/ios/app/timecalc-w-watch-app/id6733239757)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Wowoo

[App page](https://appshunter.io/ios/app/wowoo/id6757732721)

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

**In-app purchases:** none


## Frequently asked questions

### Is TimeCalc w/ Watch App free?

TimeCalc w/ Watch App is free to download, with no in-app purchases.

### Is Wowoo free?

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

### Do TimeCalc w/ Watch App or Wowoo have ads?

TimeCalc w/ Watch App shows ads; Wowoo does not.

### Which is updated more often, TimeCalc w/ Watch App or Wowoo?

TimeCalc w/ Watch App ships an update every 3 months, and Wowoo fortnightly. Most recently, TimeCalc w/ Watch App was updated on October 16, 2026 and Wowoo on October 6, 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.*