# 3S Paintbrush — A sketchbook with room to draw

> A sketchbook with room to draw (iPhone/iPad app by Herb Trevathan.)

- Source: https://appshunter.io/ios/app/3s-paintbrush/id6811544111 (this page in markdown: same URL + `.md`)
- Developer: [Herb Trevathan](https://appshunter.io/developer/1609158252)
- Category: Graphics & Design
- Price: $4.99
- Age rating: 4+
- Requires: iOS 17.0 · 2 MB
- Languages: American English
- Released: 2026-10-09
- Data updated: 2026-10-10

## What is 3S Paintbrush?

Open a sketchbook and make something your own. Choose a brush color and width, draw on warm paper or slate, and revise with the eraser, undo and redo. Keep a reference photo alongside your canvas, name your drawings, and return to saved artwork. Export a finished drawing as a PNG image.

Designed for iPhone and iPad, with layouts that make use of the space available. No app account, advertising or subscription is required.

## Is 3S Paintbrush safe?

Not enough ratings yet to assess 3S Paintbrush.

## Is 3S Paintbrush legit?

3S Paintbrush appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for 3S Paintbrush is 65 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 1 release)

### 1.0 — 2026-10-09

No release notes.

## More apps by Herb Trevathan

- [Keep In Touch Reminders](https://appshunter.io/ios/app/keep-in-touch-reminders/id6768705377)
- [PhotographyFieldGuide](https://appshunter.io/ios/app/photographyfieldguide/id6768730599)
- [Landscape Story Guide](https://appshunter.io/ios/app/landscape-story-guide/id6776376295)
- [StreetStorytellingFieldGuide](https://appshunter.io/ios/app/streetstorytellingfieldguide/id6776730430)
- [BWStorytelling](https://appshunter.io/ios/app/bwstorytelling/id6776734961)
- [Duo LAB](https://appshunter.io/ios/app/duo-lab/id6811540614)

All apps by Herb Trevathan: https://appshunter.io/developer/1609158252

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-10.*