# Concepts vs Solefy

The clearest difference is update cadence: Concepts at fortnightly against Solefy's every 6 weeks. Concepts also leads on chart position (#127 vs unranked) and device support (3 vs 1). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Concepts sells 10 in-app purchases, starting at $4.99 per month and Solefy sells 4 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Concepts ships an update fortnightly, Solefy every 6 weeks. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Concepts | Solefy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (27K ratings)](https://appshunter.io/ios/app/concepts/id560586497/reviews)** | — |
| Number of ratings | **27K** | — |
| Positive reviews | 76.8% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 6 weeks |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#127** | — |
| Size | 268 MB | 21 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [TopHatch, Inc.](https://appshunter.io/developer/560586500) | [劲柏 吴](https://appshunter.io/developer/1703506162) |

## What reviewers say

### Concepts

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

**Currently charting:** #127 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, iPhone Duo support

**In-app purchases (10)**

| 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 |
| Make Your Own Objects | $3.99 | one-time |
| Essentials (iPhone Only) | $4.99 | one-time |
| PDF Essentials | $4.99 | 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


### Solefy

[App page](https://appshunter.io/ios/app/solefy/id6787304353)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Solefy Weekly Pro | $5.99 | per 7 days |
| Solefy Annual Pro | $49.99 | per year |
| 200 AI Credits | $5.99 | one-time |
| 500 AI Credits | $9.99 | one-time |


## Frequently asked questions

### Is Concepts free?

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

### Is Solefy free?

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

### Do Concepts or Solefy have ads?

Neither Concepts nor Solefy shows ads.

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

Concepts ships an update fortnightly, and Solefy every 6 weeks. Most recently, Concepts was updated on November 8, 2026 and Solefy on October 31, 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.*