4D Draw vs FractalEcho
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
4D Draw
This app allows users to draw and visualize four-dimensional figures using color to represent the fourth coordinate. It includes a help menu with drawing tutorials and creative ideas to aid in understanding 4D space.
- Draw 4-dimensional figures
- Use color for the fourth coordinate
- Built-in 'How to draw' guide
- 4D construction ideas
- Visualize 4-dimensional space
Read full descriptionHide full description
4D Draw is a simple vector-graphics app that lets you draw 4‑dimensional figures. It represents each point's first three coordinates in the usual way, while using color to represent the fourth coordinate. A built-in Help menu includes a “How to draw” page for an easy start, followed by a page of “4D construction ideas” to set you on your way towards visualizing 4-dimensional space. 4D Draw is intended for geometry students who want to learn to visualize 4‑dimensional space. People looking for a more recreational introduction to 4D should begin with 4D Maze instead. People looking for an even more recreational introduction to modern concepts of space and symmetry may enjoy the Torus Games or KaleidoPaint.
FractalEcho
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.
- 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
Read full descriptionHide full description
Discover the mesmerizing world of fractals with FractalEcho, a powerful app that brings stunning visuals through virtually unlimited search capabilities to your fingertips. Explore intricate patterns that were once limited to supercomputers now accessible on your device. Unrivaled Search Depth and Resolution: FractalEcho enables you to explore fractals at up to 1,000,000,000 iterations and resolutions of up to 1e-1100. Imagine one billion iteration searches at resolutions of over one thousand digits of accuracy! This level of detail enables you to uncover previously hidden depths and push beyond the boundaries previously thought possible. FractalEcho: Where Mathematical Precision Meets Artistic Wonder Unlock the captivating world of fractals with FractalEcho – a powerful and intuitive app that brings the beauty of infinite complexity to your fingertips. Explore intricate patterns, hidden depths, and breathtaking visuals previously confined to high-end computing, now accessible on your device. Unrivaled Depth & Resolution: Experience virtually unlimited fractal generation like never before! FractalEcho enables fractal exploration at up to 1,000,000,000 iterations with a stunning 1e-1100 resolution – far exceeding the capabilities of other apps. Discover fractals never before seen to push beyond the boundaries of visual exploration. Utilizing advanced real-time algorithms, FractalEcho delivers unparalleled resolutions. Explore & Customize: Delve into Mandelbrot and Julia Sets, bringing them to life with animated colors, dynamic color palettes, and precise control over search depth, zoom levels, and color rates of change. Experiment endlessly to discover stunning new forms. A Unique Educational Tool: FractalEcho uniquely calculates both the border length and area of the fractal at any given iteration level, visually demonstrating the fascinating concept of an infinite boundary contained within a finite space – a core principle of fractals. Community & Sharing: Discover a vibrant gallery showcasing stunning fractals uncovered by other users. Save your favorite discoveries with bookmarks and personal notes. Share your own artistic discoveries with the world – export high-resolution graphics and fractal data for others to enjoy. Easy to Use: An in-app tutorial guides you through FractalEcho’s powerful features, making fractal exploration accessible to everyone. Whether you're a math enthusiast, an artist, or simply curious about the fractal universe, FractalEcho offers something for you. To illustrate the extreme resolution FractalEcho achieves, consider a comparison between two extremes: the most distant known galaxy (JADES-GS-z14-0) estimated to be 33.6 billion (33.6e+9) light years away, and an electron within an atom having an estimated diameter of about 5.636e-15 meters. The electron diameter is about 1.78e-41 times the distance to the farthest known galaxy. This is a number with 41 digits after the decimal point. FractalEcho’s resolution of 1e-1100 is over 1e1050 times more accurate than this comparison. To put it another way, if we measured the distance to the farthest known galaxy in units of electron diameters, FractalEcho's calculations would still be 1e1050 times more accurate. To represent FractalEcho’s accuracy in writing would require a decimal place followed by 1,100 zeros before the first non zero digit ie: 0.00000000…..1. Perfect for math enthusiasts and artists! Download FractalEcho and begin your journey into the infinite beauty of fractals! Visit https://FractalEcho.com to learn more. Some features require in-app purchases that can be shared across all your Macs, iPhones, and iPads. View our on-line gallery at: https://data.bluestonepond.com/FrE/FrE_Action/FrE_Gallery.php View our privacy policy at: https://fractalecho.com/FractalEchoPP/FrE_PrivacyPolicy.html View our terms of service policy at: https://fractalecho.com/FractalEchoPP/FrE_TermsOfUse.html
Screenshots
Verdict
The clearest difference is in-app purchases: 4D Draw at none against FractalEcho's 3. FractalEcho's advantage is rating (3.9 vs 3.4) and update cadence (fortnightly vs every 7 months). On price, ratings volume, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. FractalEcho sells 3 in-app purchases, starting at $1.99 per month. 4D Draw asks for nothing beyond the download.
FractalEcho holds the better App Store score, 3.9 against 3.4. Both are backed by a comparable volume of ratings — 9 and 10 respectively. Written reviews point the same way: 70% of 4D Draw's written reviews are positive against 80% of FractalEcho's.
4D Draw ships an update every 7 months, FractalEcho fortnightly. Both last shipped on October 24, 2026.
| Parameter | 4D Draw | FractalEcho |
|---|---|---|
| Price | Free | Free |
| Rating | 3.4 (9 ratings) | 3.9 (10 ratings) — better |
| Positive reviews | 70.0% of reviews | 80.0% of reviews — better |
| Number of ratings | 9 | 10 — better |
| Update frequency | Every 7 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone, iPad, Mac | iPhone, iPad, Mac |
| Requires iOS | 17.1 — better | 17.6 |
| Further details — not scored | ||
| Size | 6 MB | 138 MB |
| Age rating | 4+ | 4+ |
| Developer | Jeff Weeks | Bluestone Pond |
Customer experience
4D Draw
FractalEcho
In-app purchases
4D Draw
No in-app purchases
FractalEcho
- FractalEcho Pro monthly$1.991 Month
- FractalEcho Pro Yearly3 Days trial$14.991 Year
- FractalEcho Pro$24.99








