# SelfScan vs Attendance Tracker Offline

The clearest difference is in-app purchases: SelfScan at none against Attendance Tracker Offline's 3. SelfScan also leads on iOS requirement (13.0 vs 16.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Attendance Tracker Offline sells 3 in-app purchases, starting at $2.99 per month. SelfScan asks for nothing beyond the download.

SelfScan ships an update fortnightly, Attendance Tracker Offline every 3 weeks. The most recent releases landed on September 23, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | SelfScan | Attendance Tracker Offline |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Size | 6 MB | 45 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [SOCIETY FOR NATURAL LANGUAGE TECHNOLOGY RESEARCH](https://appshunter.io/developer/1616455204) | [Pham Minh Kha](https://appshunter.io/developer/1639024793) |

## What reviewers say

### SelfScan

[App page](https://appshunter.io/ios/app/selfscan/id1616455202)

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

**In-app purchases:** none


### Attendance Tracker Offline

[App page](https://appshunter.io/ios/app/attendance-tracker-offline/id6496849751)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Go to Pro | $2.99 | per month |
| Go to Pro | $29.99 | per year |
| PRO - Lifetime (Forever) | $14.99 | one-time |


## Frequently asked questions

### Is SelfScan free?

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

### Is Attendance Tracker Offline free?

Attendance Tracker Offline is free to download, with in-app purchases available.

### Do SelfScan or Attendance Tracker Offline have ads?

Neither SelfScan nor Attendance Tracker Offline shows ads.

### Which is updated more often, SelfScan or Attendance Tracker Offline?

SelfScan ships an update fortnightly, and Attendance Tracker Offline every 3 weeks. Most recently, SelfScan was updated on September 23, 2026 and Attendance Tracker Offline on September 29, 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.*