# Concepts vs Rodin

The clearest difference is in-app purchases: Rodin at none against Concepts's 13. Rodin also leads on update cadence (every 4 days vs fortnightly) and iOS requirement (12.2 vs 15.0). Concepts's advantage is review sentiment (77% vs 50%) and chart position (#169 vs unranked). On price, ads and device support there is nothing between them.

Both are free to download. Concepts sells 13 in-app purchases, starting at $4.99 per month. Rodin asks for nothing beyond the download.

Concepts ships an update fortnightly, Rodin every 4 days. The most recent releases landed on October 15, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Concepts | Rodin |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (27K ratings)](https://appshunter.io/ios/app/concepts/id560586497/reviews)** | — |
| Number of ratings | **27K** | — |
| Positive reviews | **77.0% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 4 days** |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#169** | — |
| Size | 267 MB | 4 MB |
| Requires iOS | 15.0 | **12.2** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [TopHatch, Inc.](https://appshunter.io/developer/560586500) | [Link2Soft](https://appshunter.io/developer/535570178) |

## What reviewers say

### Concepts

[App page](https://appshunter.io/ios/app/concepts/id560586497)

**Currently charting:** #169 Top Free · Graphics & Design (US App Store)

This flexible vector-based sketchbook offers an infinite canvas for ideation and design. Easily sketch, take notes, and create detailed designs with editable strokes and powerful tools. Share your work in various formats for seamless collaboration and professional output.

**Highlights:** Infinite canvas, Vector-based sketching, Realistic pens, pencils, and brushes, Editable vector elements, Unlimited layers, Scale and measurement tools, Object libraries

**Features:** Family Sharing

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Everything Monthly | $4.99 | per month |
| Everything Monthly + Trial | $4.99 | per month |
| Everything Yearly | $29.99 | per year |
| Everything Yearly + Trial | $29.99 | per year |
| Shape Library | $1.99 | one-time |
| Pen Brush Pack | $1.99 | one-time |
| Body Forms | $1.99 | one-time |
| Make Your Own Objects | $3.99 | one-time |
| Essentials (iPhone Only) | $4.99 | one-time |
| PDF Essentials | $4.99 | one-time |
| Pro Pack  Legacy | $7.99 | one-time |
| 10 Object Packs | $14.99 | one-time |
| Essentials | $39.99 | one-time |

**What reviewers like**

- 🚀 Infinite canvas
- 👍 Intuitive and customizable interface
- 🎨 Powerful drawing and sketching tools
- 💡 Versatile for various use cases (architecture, design, note-taking)
- 🔒 Responsive customer support

**What reviewers complain about**

- 🐛 Occasional crashes and bugs
- 🔍 Steep learning curve for some users
- 💰 Subscription model can be expensive for casual users
- 🔧 Limited text handling and editing capabilities
- 🔀 Inconsistent behavior of certain tools (e.g., eraser, alignment)

**Reported bugs**

- Memory issues when working with large, complex drawings
- Inconsistent behavior of the eraser tool
- Inaccuracies in the snap-to-grid and measurement tools
- Exporting issues, such as loss of data or poor quality

**Requested features**

- Improved text editing and formatting options
- Better color selection and customization tools
- Collaboration and real-time sharing features
- Seamless integration with other design/productivity apps
- Syncing and backup capabilities across devices


### Rodin

[App page](https://appshunter.io/ios/app/rodin/id1502955204)

This platform serves as a creative outlet for artists and designers to showcase their work. It hosts national painting and drawing competitions, inviting participation from artists, creative enthusiasts, and students. The initiative aims to promote artistic expression and has been running annually since its inception.

**Highlights:** National painting competitions, National drawing competitions, Platform for artists, Showcase artistic work, Creative expression forum

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Concepts free?

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

### Is Rodin free?

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

### Do Concepts or Rodin have ads?

Neither Concepts nor Rodin shows ads.

### Which is updated more often, Concepts or Rodin?

Concepts ships an update fortnightly, and Rodin every 4 days. Most recently, Concepts was updated on October 15, 2026 and Rodin on September 27, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*