# ArmonAI vs NoteON

The clearest difference is in-app purchases: NoteON at none against ArmonAI's 2. NoteON also leads on update cadence (weekly vs every 3 months) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. ArmonAI sells 2 in-app purchases, starting at $4.99 per month. NoteON asks for nothing beyond the download.

ArmonAI ships an update every 3 months, NoteON weekly. The most recent releases landed on October 11, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | ArmonAI | NoteON |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Size | 8 MB | 105 MB |
| Requires iOS | 26.6 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [DIEGO VALDEZ ACOSTA](https://appshunter.io/developer/1808788972) | [inho Choi](https://appshunter.io/developer/1873891662) |

## What reviewers say

### ArmonAI

[App page](https://appshunter.io/ios/app/armonai/id6744665337)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Armonai Pro | $4.99 | per month |
| Armonai Pro Yearly | $29.99 | per year |


### NoteON

[App page](https://appshunter.io/ios/app/noteon-notes-on-app-and-web/id6789457288)

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

**In-app purchases:** none


## Frequently asked questions

### Is ArmonAI free?

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

### Is NoteON free?

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

### Do ArmonAI or NoteON have ads?

Neither ArmonAI nor NoteON shows ads.

### Which is updated more often, ArmonAI or NoteON?

ArmonAI ships an update every 3 months, and NoteON weekly. Most recently, ArmonAI was updated on October 11, 2026 and NoteON on October 6, 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.*