# Think 3D vs FractalEcho

The clearest difference is rating: Think 3D at 4.5 against FractalEcho's 3.9. Think 3D also leads on in-app purchases (none vs 3) and ratings volume (45 vs 10). FractalEcho's advantage is update cadence (fortnightly vs monthly). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. FractalEcho sells 3 in-app purchases, starting at $1.99 per month. Think 3D asks for nothing beyond the download.

Think 3D holds the better App Store score, 4.5 against 3.9. Both are backed by a comparable volume of ratings — 45 and 10 respectively. Written reviews split almost evenly too, at 80% and 80% positive.

Think 3D ships an update monthly, FractalEcho fortnightly. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Think 3D | FractalEcho |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (45 ratings)](https://appshunter.io/ios/app/think-3d/id463364378/reviews)** | [3.9 (10 ratings)](https://appshunter.io/ios/app/fractalecho/id6473468070/reviews) |
| Number of ratings | **45** | 10 |
| Positive reviews | **80.5% of reviews** | 80.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | **Free** | Freemium |
| Size | 5 MB | 138 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Paul Hangas](https://appshunter.io/developer/433121902) | [Bluestone Pond](https://appshunter.io/developer/544105988) |

## What reviewers say

### Think 3D

[App page](https://appshunter.io/ios/app/think-3d/id463364378)

Explore and manipulate 3D shapes on your screen with intuitive controls. Create unique, colorful combinations and save or share your designs. Perfect for anyone interested in 3D modeling and design.

**Highlights:** Explore and interact with 3D shapes, Create unlimited combinations, Add or remove shapes easily, Rotate and zoom 3D creations, Save and share designs, Print 3D creations

**Features:** macOS Compatibility

**In-app purchases:** none


### FractalEcho

[App page](https://appshunter.io/ios/app/fractalecho/id6473468070)

Explore the infinite complexity of fractals with stunning visuals and unparalleled depth. This app offers advanced search capabilities, customization options, and educational insights into mathematical concepts. Share your discoveries and learn through an intuitive interface.

**Highlights:** Unrivaled search depth and resolution, Mandelbrot and Julia Set exploration, Animated colors and dynamic palettes, Calculates fractal border length and area, Community gallery and sharing, In-app tutorial

**Features:** Family Sharing, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FractalEcho Pro monthly | $1.99 | per month |
| FractalEcho Pro Yearly | $14.99 | per year |
| FractalEcho Pro | $24.99 | one-time |


## Frequently asked questions

### Is Think 3D free?

Think 3D is free to download, with no in-app purchases.

### Is FractalEcho free?

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

### Which has better reviews, Think 3D or FractalEcho?

Think 3D is rated higher. Think 3D averages 4.5 out of 5 from 45 ratings, while FractalEcho averages 3.9 from 10 ratings.

### Do Think 3D or FractalEcho have ads?

Neither Think 3D nor FractalEcho shows ads.

### Which is updated more often, Think 3D or FractalEcho?

Think 3D ships an update monthly, and FractalEcho fortnightly. Most recently, Think 3D was updated on October 22, 2026 and FractalEcho 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.*