# Sketchbook® vs Flowchart Designer 3

The clearest difference is rating: Sketchbook® at 4.8 against Flowchart Designer 3's 4.1. Sketchbook® also leads on ratings volume (221K vs 109) and chart position (#36 vs unranked). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Sketchbook® sells 1 one-off in-app purchase and Flowchart Designer 3 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Sketchbook® holds the better App Store score, 4.8 against 4.1. That said, the two scores are not equally well evidenced: Sketchbook® has 221K ratings behind it against 109, so its average is the more settled of the two. Written reviews split almost evenly too, at 77% and 77% positive.

Sketchbook® ships an update every 6 weeks, Flowchart Designer 3 every 3 weeks. The most recent releases landed on October 25, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Sketchbook® | Flowchart Designer 3 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (221K ratings)](https://appshunter.io/ios/app/sketchbook/id883738213/reviews)** | [4.1 (109 ratings)](https://appshunter.io/ios/app/flowchart-designer-3/id1512570906/reviews) |
| Number of ratings | **221K** | 109 |
| Positive reviews | **76.7% of reviews** | 76.5% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#36** | — |
| Size | 142 MB | 15 MB |
| Requires iOS | **14** | 16.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Sketchbook, Inc](https://appshunter.io/developer/1569383806) | [光建 张](https://appshunter.io/developer/955099719) |

## What reviewers say

### Sketchbook®

[App page](https://appshunter.io/ios/app/sketchbook/id883738213)

**Currently charting:** #36 Top Free · Graphics & Design (US App Store)

This app provides a professional-grade drawing and painting experience for artists and illustrators. It offers a natural drawing feel with customizable tools, layers, and guides for precision. Unlock advanced features like custom brushes and canvas resizing with an optional premium purchase.

**Highlights:** Full complement of brush types, Highly customizable brushes, Guides, rulers, and stroke tools, Layers with blend modes, Clean and unobtrusive interface, Custom brush creation (premium), Canvas resizing (premium)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Bundle | $2.99 | one-time |

**What reviewers like**

- 🚀 Amazing, free, and no ads
- 👍 Lots of brushes and customization options
- 👍 Intuitive and easy to use
- 👍 Great for beginners and professionals
- 👍 Smooth performance and no lag

**What reviewers complain about**

- 🐛 Occasional freezing and crashing issues
- 🐛 Blurry or corrupted images when saving or copying
- 🐛 Glitches with color selection and layers
- 🐛 Inability to rotate canvas or access gallery easily
- 🐛 Lack of blurring and clipping mask tools

**Reported bugs**

- Layers randomly deleted or corrupted
- Freezing when using certain tools like the eyedropper
- Saving issues leading to loss of progress
- Incompatibility with newer iPad Pro devices

**Requested features**

- Add blurring and clipping mask tools
- Improve gallery and canvas rotation functionality
- Allow custom font import
- Add effects like glow, stroke, and drop shadow
- Implement layer grouping and organization


### Flowchart Designer 3

[App page](https://appshunter.io/ios/app/flowchart-designer-3/id1512570906)

Easily create professional flowcharts, org charts, and process diagrams with a variety of templates and styling options. Organize complex ideas with containers and smart connectors on an infinite canvas. Export your creations in PDF or PNG format.

**Highlights:** Drag to add nodes, Infinite Canvas, 24 attractive themes, Organize nodes with containers, Smart Connectors, Export as PDF, PNG

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Shapes | $7.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Intuitive and straightforward
- 💡 Versatile for various diagramming needs
- 🚀 Smooth and efficient
- 👍 Simple and practical

**What reviewers complain about**

- 🐛 Occasional crashes or bugs
- 🔧 Limited functionality in free version
- 🔧 Difficult to edit or delete certain elements
- 🔧 Lack of advanced features compared to other tools
- 🔧 Inconsistent behavior or performance issues

**Reported bugs**

- Inability to delete or edit certain connectors
- Unexpected file corruption or data loss
- Compatibility issues with newer macOS versions
- Inconsistent behavior when resizing or rearranging elements

**Requested features**

- Add more shape and icon options
- Improve text editing and formatting capabilities
- Implement better alignment and organization tools
- Add support for more file export/import options
- Introduce a dark mode or customizable themes


## Frequently asked questions

### Is Sketchbook® free?

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

### Is Flowchart Designer 3 free?

Flowchart Designer 3 is free to download, with in-app purchases available.

### Which has better reviews, Sketchbook® or Flowchart Designer 3?

Sketchbook® is rated higher. Sketchbook® averages 4.8 out of 5 from 221K ratings, while Flowchart Designer 3 averages 4.1 from 109 ratings.

### Do Sketchbook® or Flowchart Designer 3 have ads?

Neither Sketchbook® nor Flowchart Designer 3 shows ads.

### Which is updated more often, Sketchbook® or Flowchart Designer 3?

Sketchbook® ships an update every 6 weeks, and Flowchart Designer 3 every 3 weeks. Most recently, Sketchbook® was updated on October 25, 2026 and Flowchart Designer 3 on October 22, 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.*