# PDF Prime vs Notesync.md

The clearest difference is ads: Notesync.md at none against PDF Prime's shown. Notesync.md also leads on update cadence (daily vs fortnightly). PDF Prime's advantage is iOS requirement (14.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PDF Prime ships an update fortnightly, Notesync.md daily. The most recent releases landed on November 8, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | PDF Prime | Notesync.md |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Daily** |
| Size | 17 MB | 2 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 17+ | 4+ |
| Developer | [Art Fate E-Commerce Limited](https://appshunter.io/developer/1744856799) | [Kristopher Linquist](https://appshunter.io/developer/921302972) |

## What reviewers say

### PDF Prime

[App page](https://appshunter.io/ios/app/pdf-prime/id6667100922)

**In-app purchases:** none


### Notesync.md

[App page](https://appshunter.io/ios/app/notesyncmd/id6763802260)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is PDF Prime free?

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

### Is Notesync.md free?

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

### Do PDF Prime or Notesync.md have ads?

PDF Prime shows ads; Notesync.md does not.

### Which is updated more often, PDF Prime or Notesync.md?

PDF Prime ships an update fortnightly, and Notesync.md daily. Most recently, PDF Prime was updated on November 8, 2026 and Notesync.md on November 5, 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.*