# AppVector vs Vellum

The clearest difference is in-app purchases: AppVector at none against Vellum's 1. AppVector also leads on iOS requirement (15.1 vs 18.6). On price, ads and device support there is nothing between them.

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

## The numbers

| Metric | AppVector | Vellum |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Weekly |
| Size | 41 MB | 44 MB |
| Requires iOS | **15.1** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MULTIVARIATE AI PRIVATE LIMITED](https://appshunter.io/developer/1888396873) | [四扬 叶](https://appshunter.io/developer/6797699915) |

## What reviewers say

### AppVector

[App page](https://appshunter.io/ios/app/appvector-aso-rank-tracker/id6761912622)

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

**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 AppVector free?

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

### Is Vellum free?

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

### Do AppVector or Vellum have ads?

Neither AppVector nor Vellum shows ads.

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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.*