# Interactive Sketchbook vs Frank

The clearest difference is price: Frank at Free against Interactive Sketchbook's $4.99. Frank also leads on in-app purchases (none vs 1) and review sentiment (67% vs 42%). Interactive Sketchbook's advantage is ads (none vs shown) and update cadence (every 4 months vs every 10 months). On rating, ratings volume, device support and iOS requirement there is nothing between them.

Frank is free to download; Interactive Sketchbook costs $4.99 up front. Interactive Sketchbook sells 1 one-off in-app purchase. Frank asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Interactive Sketchbook against 5.0 for Frank. Both are backed by a comparable volume of ratings — 2 and 3 respectively. Written reviews are what separate them: 42% of Interactive Sketchbook's written reviews are positive against 67% of Frank's.

Interactive Sketchbook ships an update every 4 months, Frank every 10 months. The most recent releases landed on October 14, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Interactive Sketchbook | Frank |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/interactive-sketchbook/id418846451/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/frank-fm-cape-cod/id660715509/reviews) |
| Number of ratings | 2 | **3** |
| Positive reviews | 42.0% of reviews | **66.7% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 4 months** | Every 10 months |
| Monetization | **Free** | Ad-supported |
| Size | 345 MB | 13 MB |
| Requires iOS | **17.6** | 18.2 |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Digital Wave Creative](https://appshunter.io/developer/418846454) | [Coxswain Media, LLC](https://appshunter.io/developer/1634638030) |

## What reviewers say

### Interactive Sketchbook

[App page](https://appshunter.io/ios/app/interactive-sketchbook/id418846451)

Learn professional illustration techniques with interactive tutorials and digital sketching tools. Practice drawing alongside a professional artist or import your own photo references. This app offers a digital alternative to traditional sketchbooks with advanced features for artists.

**Highlights:** Interactive tutorials from professional illustrator, Import photo references for drawing, Three custom layers for sketching and detailing, Split view for side-by-side drawing and reference, Full-page tracing and full-screen drawing modes, Unlimited pages and undo/redo functionality, Portfolio to store and manage digital art

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Paper Pack Pro | $3.99 | one-time |


### Frank

[App page](https://appshunter.io/ios/app/frank-fm-cape-cod/id660715509)

This app streams live radio broadcasts from two FM frequencies, offering a unique music selection that aims to be distinct from popular streaming services. It provides a continuous listening experience for its audience.

**Highlights:** Live FM radio broadcasts, Multiple broadcast frequencies, Unique music selection, Continuous listening experience

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Interactive Sketchbook free?

Interactive Sketchbook costs $4.99, and also offers in-app purchases.

### Is Frank free?

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

### Which has better reviews, Interactive Sketchbook or Frank?

Interactive Sketchbook and Frank are both rated 5.0 out of 5 on the App Store, from 2 and 3 ratings respectively.

### Do Interactive Sketchbook or Frank have ads?

Frank shows ads; Interactive Sketchbook does not.

### Which is updated more often, Interactive Sketchbook or Frank?

Interactive Sketchbook ships an update every 4 months, and Frank every 10 months. Most recently, Interactive Sketchbook was updated on October 14, 2026 and Frank on October 3, 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.*