# On vs AttendSync

The clearest difference is in-app purchases: On at none against AttendSync's 2. On also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. AttendSync sells 2 in-app purchases, starting at $4.99 per month. On asks for nothing beyond the download.

On ships an update weekly, AttendSync every 2 weeks. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | On | AttendSync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/attendsync/id6766734720/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 19 MB | 55 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Eventtia Inc](https://appshunter.io/developer/1551816856) | [Daejin Baik](https://appshunter.io/developer/1896319779) |

## What reviewers say

### On

[App page](https://appshunter.io/ios/app/on-site-beta/id6757488786)

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

**In-app purchases:** none


### AttendSync

[App page](https://appshunter.io/ios/app/attendsync/id6766734720)

Automate attendance tracking for meetings, classes, or groups using GPS or QR codes. Generate shareable records and view real-time check-in status. Offers privacy-focused location data handling.

**Highlights:** Automatic GPS check-in, Printable QR code check-in, One-tap headcounts, Real-time attendance dashboard, Exportable audit-ready records, Reusable meeting templates, Organize recurring meetings and groups

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AttendSync Premium - Monthly | $4.99 | per month |
| AttendSync Premium - Yearly | $47.99 | per year |


## Frequently asked questions

### Is On free?

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

### Is AttendSync free?

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

### Do On or AttendSync have ads?

AttendSync shows ads; On does not.

### Which is updated more often, On or AttendSync?

On ships an update weekly, and AttendSync every 2 weeks. Most recently, On was updated on October 24, 2026 and AttendSync on October 22, 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.*