# FLY PDF vs Zonoly

The clearest difference is in-app purchases: Zonoly at none against FLY PDF's 3. Zonoly also leads on iOS requirement (13.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. FLY PDF sells 3 in-app purchases, starting at $5.99 per month. Zonoly asks for nothing beyond the download.

## The numbers

| Metric | FLY PDF | Zonoly |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Daily | — |
| Size | 13 MB | 28 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tran Thi Viet](https://appshunter.io/developer/1781505229) | [Oxglow Analytics](https://appshunter.io/developer/1504312867) |

## What reviewers say

### FLY PDF

[App page](https://appshunter.io/ios/app/fly-pdf-pdf-reader-and-viewer/id6741893203)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDF Premium Monthly | $5.99 | per month |
| PDF Premium Yearly | $39.99 | per year |
| PDF Premium Lifetime | $59.99 | one-time |


### Zonoly

[App page](https://appshunter.io/ios/app/zonoly/id6782196526)

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

**In-app purchases:** none


## Frequently asked questions

### Is FLY PDF free?

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

### Is Zonoly free?

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

### Do FLY PDF or Zonoly have ads?

Neither FLY PDF nor Zonoly 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.*