# InkMark vs Private Notes (Nostr)

The clearest difference is in-app purchases: Private Notes (Nostr) at none against InkMark's 2. InkMark's advantage is ads (none vs shown) and update cadence (weekly vs fortnightly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. InkMark sells 2 in-app purchases, starting at $1.99 per month. Private Notes (Nostr) asks for nothing beyond the download.

InkMark ships an update weekly, Private Notes (Nostr) fortnightly. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | InkMark | Private Notes (Nostr) |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Fortnightly |
| Size | 18 MB | 33 MB |
| Requires iOS | 16.6 | **15.6** |
| Devices | iPhone, iPad, Mac | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Diego Varela](https://appshunter.io/developer/1863244532) | [alexey popkov](https://appshunter.io/developer/1500909659) |

## What reviewers say

### InkMark

[App page](https://appshunter.io/ios/app/inkmark/id6756934550)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| InkMark Pro Monthly | $1.99 | per month |
| InkMark Pro Yearly | $19.99 | per year |


### Private Notes (Nostr)

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

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is InkMark free?

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

### Is Private Notes (Nostr) free?

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

### Do InkMark or Private Notes (Nostr) have ads?

Private Notes (Nostr) shows ads; InkMark does not.

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

InkMark ships an update weekly, and Private Notes (Nostr) fortnightly. Most recently, InkMark was updated on October 25, 2026 and Private Notes (Nostr) on October 28, 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.*