# OneScan vs ClassLog

The clearest difference is in-app purchases: ClassLog at none against OneScan's 1. ClassLog also leads on iOS requirement (14.0 vs 17.0). OneScan's advantage is update cadence (daily vs monthly). On price, ads and device support there is nothing between them.

Both are free to download. OneScan sells 1 one-off in-app purchase. ClassLog asks for nothing beyond the download.

OneScan ships an update daily, ClassLog monthly. The most recent releases landed on October 13, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | OneScan | ClassLog |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Daily** | Monthly |
| Size | 10 MB | 21 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Freedom Dimension (shenzhen) Technology Co., Ltd](https://appshunter.io/developer/6776064465) | [明昭 路](https://appshunter.io/developer/1890357342) |

## What reviewers say

### OneScan

[App page](https://appshunter.io/ios/app/onescan-pdf-scanner/id6788495535)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Lifetime | $1.99 | one-time |


### ClassLog

[App page](https://appshunter.io/ios/app/classlog-attendance-tracker/id6791393409)

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

**In-app purchases:** none


## Frequently asked questions

### Is OneScan free?

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

### Is ClassLog free?

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

### Do OneScan or ClassLog have ads?

Neither OneScan nor ClassLog shows ads.

### Which is updated more often, OneScan or ClassLog?

OneScan ships an update daily, and ClassLog monthly. Most recently, OneScan was updated on October 13, 2026 and ClassLog on October 7, 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.*