# Notes Online vs Sketch360

The clearest difference is update cadence: Sketch360 at monthly against Notes Online's every 2 months. Notes Online's advantage is iOS requirement (12.0 vs 17.6). 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.

Notes Online ships an update every 2 months, Sketch360 monthly. The most recent releases landed on October 10, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Notes Online | Sketch360 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | — |
| Size | 14 MB | 43 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Astacus AB](https://appshunter.io/developer/1282150918) | [Alcazar, LLC](https://appshunter.io/developer/1475483623) |

## What reviewers say

### Notes Online

[App page](https://appshunter.io/ios/app/notes-online/id535473142)

Annotate and mark up PDF documents with notes and changes. Easily share your marked-up files with colleagues. Streamline your workflow with this intuitive PDF annotation tool.

**Highlights:** Mark changes on PDF files, Add notes to drawings, Share files with co-workers, Intuitive annotation tools

**In-app purchases:** none


### Sketch360

[App page](https://appshunter.io/ios/app/sketch360/id6468101105)

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

**In-app purchases:** none


## Frequently asked questions

### Is Notes Online free?

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

### Is Sketch360 free?

Sketch360 is free to download, with no in-app purchases.

### Do Notes Online or Sketch360 have ads?

Neither Notes Online nor Sketch360 shows ads.

### Which is updated more often, Notes Online or Sketch360?

Notes Online ships an update every 2 months, and Sketch360 monthly. Most recently, Notes Online was updated on October 10, 2026 and Sketch360 on October 13, 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.*