# TimeWatch Mobile Attendance vs Opal Time Card

The clearest difference is update cadence: TimeWatch Mobile Attendance at every 2 months against Opal Time Card's every 11 months. Opal Time Card's advantage is device support. On price, in-app purchases and iOS requirement there is nothing between them.

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

TimeWatch Mobile Attendance ships an update every 2 months, Opal Time Card every 11 months. The most recent releases landed on October 14, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | TimeWatch Mobile Attendance | Opal Time Card |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | **Every 2 months** | Every 11 months |
| Size | 77 MB | 30 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Virendra Kumar](https://appshunter.io/developer/1702496828) | [Opal Software Services LLC](https://appshunter.io/developer/1776025667) |

## What reviewers say

### TimeWatch Mobile Attendance

[App page](https://appshunter.io/ios/app/timewatch-mobile-attendance/id6482852039)

**In-app purchases:** none


### Opal Time Card

[App page](https://appshunter.io/ios/app/opal-time-card/id6737373336)

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

**In-app purchases:** none


## Frequently asked questions

### Is TimeWatch Mobile Attendance free?

TimeWatch Mobile Attendance is free to download, with no in-app purchases.

### Is Opal Time Card free?

Opal Time Card is free to download, with no in-app purchases.

### Which is updated more often, TimeWatch Mobile Attendance or Opal Time Card?

TimeWatch Mobile Attendance ships an update every 2 months, and Opal Time Card every 11 months. Most recently, TimeWatch Mobile Attendance was updated on October 14, 2026 and Opal Time Card on October 17, 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.*