# KooSync vs Folio Pro

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

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

## The numbers

| Metric | KooSync | Folio Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Size | 150 MB | 12 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [宇森 吴](https://appshunter.io/developer/1837612323) | [Mrinmoy Bhadra](https://appshunter.io/developer/901952313) |

## What reviewers say

### KooSync

[App page](https://appshunter.io/ios/app/koosync/id6752115401)

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

**In-app purchases:** none


### Folio Pro

[App page](https://appshunter.io/ios/app/folio-pro/id6765946648)

**Features:** macOS Compatibility

**In-app purchases (1)**

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


## Frequently asked questions

### Is KooSync free?

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

### Is Folio Pro free?

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

### Do KooSync or Folio Pro have ads?

Neither KooSync nor Folio Pro 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.*