# Folio vs Arky

The clearest difference is in-app purchases: Arky at none against Folio's 1. On price, ads, device support and iOS requirement there is nothing between them.

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

## The numbers

| Metric | Folio | Arky |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Size | 44 MB | 40 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | **iPhone, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Dinh Bao Thang Duong](https://appshunter.io/developer/1529449646) | [Arky](https://appshunter.io/developer/6798485173) |

## What reviewers say

### Folio

[App page](https://appshunter.io/ios/app/folio-markdown-library/id6765871325)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Lifetime | $9.99 | one-time |


### Arky

[App page](https://appshunter.io/ios/app/arky-your-knowledge-canvas/id6798485171)

**In-app purchases:** none


## Frequently asked questions

### Is Folio free?

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

### Is Arky free?

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

### Do Folio or Arky have ads?

Neither Folio nor Arky 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.*