# IDOne Face Sync vs Attendance Offline

The clearest difference is device support: IDOne Face Sync at 3 against Attendance Offline's 1. IDOne Face Sync also leads on iOS requirement (15.5 vs 17.0). On price, ads and in-app purchases 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 | IDOne Face Sync | Attendance Offline |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | — |
| Size | 63 MB | 2 MB |
| Requires iOS | **15.5** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Drishti Gupta](https://appshunter.io/developer/1811304883) | [Abid Rahim](https://appshunter.io/developer/1707542441) |

## What reviewers say

### IDOne Face Sync

[App page](https://appshunter.io/ios/app/idone-face-sync/id6792832760)

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

**In-app purchases:** none


### Attendance Offline

[App page](https://appshunter.io/ios/app/attendance-offline-roll-call/id6793137401)

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

**In-app purchases:** none


## Frequently asked questions

### Is IDOne Face Sync free?

IDOne Face Sync is free to download, with no in-app purchases.

### Is Attendance Offline free?

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

### Do IDOne Face Sync or Attendance Offline have ads?

Neither IDOne Face Sync nor Attendance Offline 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.*