# iDesign vs Blue Sketch

The clearest difference is rating: Blue Sketch at 4.7 against iDesign's 2.6. Blue Sketch also leads on review sentiment (77% vs 50%) and update cadence (monthly vs every 3 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. iDesign sells 3 in-app purchases, starting at $6.99 per month and Blue Sketch sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Blue Sketch holds the better App Store score, 4.7 against 2.6. Both are backed by a comparable volume of ratings — 87 and 339 respectively. Written reviews point the same way: 50% of iDesign's written reviews are positive against 77% of Blue Sketch's.

iDesign ships an update every 3 months, Blue Sketch monthly. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | iDesign | Blue Sketch |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.6 (87 ratings)](https://appshunter.io/ios/app/idesign/id342790226/reviews) | **[4.7 (339 ratings)](https://appshunter.io/ios/app/blue-sketch-handwritten-note/id1491913803/reviews)** |
| Number of ratings | 87 | **339** |
| Positive reviews | 50.2% of reviews | **76.9% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 86 MB | 23 MB |
| Requires iOS | 15.5 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TouchAware Limited](https://appshunter.io/developer/336476151) | [Hituzi ANDO](https://appshunter.io/developer/531132112) |

## What reviewers say

### iDesign

[App page](https://appshunter.io/ios/app/idesign/id342790226)

Create professional 2D vector drawings, illustrations, and technical designs on your iPad or iPhone. Offers precise touch-based editing with unique offset controls and a full suite of advanced tools for graphics and technical design.

**Highlights:** 2D vector drawing and design, Precise touch-based editing, Advanced path editing, Technical drawing tools, Shape libraries, Layer management, iCloud sync with XDesign

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $6.99 | per month |
| Yearly Subscription | $39.99 | per year |
| Lifetime | $79.99 | one-time |


### Blue Sketch

[App page](https://appshunter.io/ios/app/blue-sketch-handwritten-note/id1491913803)

This app allows you to quickly sketch and write ideas freely on a blue canvas. It offers essential drawing tools, page management, and sharing options. Focus on your creativity with a minimalist interface and robust organizational features.

**Highlights:** Handwritten note-taking, Drawing tools (pen, line, shapes), Undo/Redo functionality, Page size and scaling options, Image sharing (PNG, JPG, PDF), Document organization (folders, sorting), Read-only mode, Apple Pencil support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 pages | $0.99 | one-time |
| 30 pages | $1.99 | one-time |

**What reviewers like**

- 👍 Simple and effective interface
- 👍 Great for kids
- 👍 Quick and easy to draw
- 👍 Simplistic nature is appreciated
- 👍 Straightforward interface for jotting ideas

**What reviewers complain about**

- 💸 Annoying to buy pages
- 🤔 Frustrating to delete blank pages
- 🤔 Too difficult to use
- 💸 Rip off with per-page charges
- 🤏 Erasing is tedious, needs mass erase option

**Reported bugs**

- App crashed when attempting export on 2019 iPad Pro

**Requested features**

- More shapes for sketches (curves, polygons)
- TEXT field option for readable font
- Pinch/stretch to zoom
- Finer and less pixelated pencil strokes
- Option to add extra pages


## Frequently asked questions

### Is iDesign free?

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

### Is Blue Sketch free?

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

### Which has better reviews, iDesign or Blue Sketch?

Blue Sketch is rated higher. iDesign averages 2.6 out of 5 from 87 ratings, while Blue Sketch averages 4.7 from 339 ratings.

### Do iDesign or Blue Sketch have ads?

Neither iDesign nor Blue Sketch shows ads.

### Which is updated more often, iDesign or Blue Sketch?

iDesign ships an update every 3 months, and Blue Sketch monthly. Most recently, iDesign was updated on October 21, 2026 and Blue Sketch on October 24, 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.*