# PureScan vs Vellum

The clearest difference is in-app purchases: PureScan at none against Vellum's 1. Vellum's advantage is update cadence (weekly vs every 3 months) and iOS requirement (18.6 vs 26.2). On price, ads and device support there is nothing between them.

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

PureScan ships an update every 3 months, Vellum weekly. The most recent releases landed on October 20, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | PureScan | Vellum |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Size | 1 MB | 44 MB |
| Requires iOS | 26.2 | **18.6** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [KAYZER ELEKTRONIK TICARET ANONIM SIRKETI](https://appshunter.io/developer/1630391207) | [四扬 叶](https://appshunter.io/developer/6797699915) |

## What reviewers say

### PureScan

[App page](https://appshunter.io/ios/app/purescan-document-scanner/id6759690387)

**Features:** macOS Compatibility

**In-app purchases:** none


### Vellum

[App page](https://appshunter.io/ios/app/vellum-topic-notes-and-ideas/id6799964763)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Vellum pro lifetime | $2.99 | one-time |


## Frequently asked questions

### Is PureScan free?

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

### Is Vellum free?

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

### Do PureScan or Vellum have ads?

Neither PureScan nor Vellum shows ads.

### Which is updated more often, PureScan or Vellum?

PureScan ships an update every 3 months, and Vellum weekly. Most recently, PureScan was updated on October 20, 2026 and Vellum on October 25, 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.*