# Traction3 vs PDF Scanner

The clearest difference is in-app purchases: Traction3 at none against PDF Scanner's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. PDF Scanner sells 2 in-app purchases, starting at $3.99 per month. Traction3 asks for nothing beyond the download.

Traction3 ships an update weekly, PDF Scanner every 5 days. The most recent releases landed on September 16, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Traction3 | PDF Scanner |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 5 days** |
| Size | 59 MB | 4 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Traction DK inc.](https://appshunter.io/developer/1491058031) | [SUNG HSIANG CHAO](https://appshunter.io/developer/1801925448) |

## What reviewers say

### Traction3

[App page](https://appshunter.io/ios/app/traction3/id6504532124)

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

**In-app purchases:** none


### PDF Scanner

[App page](https://appshunter.io/ios/app/pdf-scanner-optic-scan/id6755757455)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Optic Premium Monthly | $3.99 | per month |
| Optic Premium Yearly | $29.99 | per year |


## Frequently asked questions

### Is Traction3 free?

Traction3 is free to download, with no in-app purchases.

### Is PDF Scanner free?

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

### Do Traction3 or PDF Scanner have ads?

Neither Traction3 nor PDF Scanner shows ads.

### Which is updated more often, Traction3 or PDF Scanner?

Traction3 ships an update weekly, and PDF Scanner every 5 days. Most recently, Traction3 was updated on September 16, 2026 and PDF Scanner on September 13, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*