# Private Notes vs SimpPDF Reader

The clearest difference is update cadence: SimpPDF Reader at daily against Private Notes's every 3 months. On price, ads, 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.

Private Notes ships an update every 3 months, SimpPDF Reader daily. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Private Notes | SimpPDF Reader |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Daily** |
| Size | 24 MB | 1 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Muhammed Emir Cihangir](https://appshunter.io/developer/1792727756) | [Wei He](https://appshunter.io/developer/6783615797) |

## What reviewers say

### Private Notes

[App page](https://appshunter.io/ios/app/private-notes-light/id6774651766)

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

**In-app purchases:** none


### SimpPDF Reader

[App page](https://appshunter.io/ios/app/simppdf-reader/id6783615795)

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

**In-app purchases:** none


## Frequently asked questions

### Is Private Notes free?

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

### Is SimpPDF Reader free?

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

### Do Private Notes or SimpPDF Reader have ads?

Neither Private Notes nor SimpPDF Reader shows ads.

### Which is updated more often, Private Notes or SimpPDF Reader?

Private Notes ships an update every 3 months, and SimpPDF Reader daily. Most recently, Private Notes was updated on November 5, 2026 and SimpPDF Reader on October 31, 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.*