# Private Notes (Nostr) vs Doc Reader

The clearest difference is ads: Doc Reader at none against Private Notes (Nostr)'s shown. Private Notes (Nostr)'s advantage is device support (4 vs 2) and iOS requirement (15.6 vs 18.0). On price, update cadence and in-app purchases 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 (Nostr) ships an update every 2 weeks, Doc Reader weekly. The most recent releases landed on September 13, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Private Notes (Nostr) | Doc Reader |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Weekly** |
| Size | 33 MB | 651 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [alexey popkov](https://appshunter.io/developer/1500909659) | [ETHAN SCOTT TROKIE](https://appshunter.io/developer/1854901410) |

## What reviewers say

### Private Notes (Nostr)

[App page](https://appshunter.io/ios/app/private-notes-nostr/id6757975921)

**Features:** Vision Pro support

**In-app purchases:** none


### Doc Reader

[App page](https://appshunter.io/ios/app/doc-reader-text-to-speech/id6759199219)

**In-app purchases:** none


## Frequently asked questions

### Is Private Notes (Nostr) free?

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

### Is Doc Reader free?

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

### Do Private Notes (Nostr) or Doc Reader have ads?

Private Notes (Nostr) shows ads; Doc Reader does not.

### Which is updated more often, Private Notes (Nostr) or Doc Reader?

Private Notes (Nostr) ships an update every 2 weeks, and Doc Reader weekly. Most recently, Private Notes (Nostr) was updated on September 13, 2026 and Doc Reader on September 18, 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.*