Ech's Fractal vs Sonic Lifeforms
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ech's Fractal
Explore intricate fractal patterns with customizable depth and color palettes. This application allows users to render the Mandelbrot set with high detail.
- Customizable depth up to 5000
- Customizable colors
- Mandelbrot set rendering
- High detail exploration
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Features - Customizable depth up to 5000 - Customizable colors
Sonic Lifeforms
Experience a unique, ever-evolving music album that adapts to your mood in real-time. Control the intensity and direction of procedural music with an intuitive interface, accompanied by reactive visuals for a multisensory journey.
- Ever-evolving music album
- Mood-adaptive soundscapes
- Interactive music control
- Procedural music generation
- Reactive visualizer
- Personalized listening experiences
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What if you could listen to an ever-evolving music album that adapts to your mood in realtime? Meet Sonic Lifeforms, the never-ending album that constantly reinvents itself. Composed and created by Michael Mitch Doerfler. This unique album features procedural interactive music that allows you to control the mood and intensity of your own personalized music experience. Imagine the music of Sonic Lifeforms like a sky with beautiful cloud formations that are constantly shifting and evolving. The basic scenery of each album track remains the same, but the patterns and shapes are always in flux, creating a mesmerizing and ever-changing landscape of sound. Every time you listen to the album, you’ll discover new nuances and variations, just like looking up at the sky on a different day. With Sonic Lifeforms, you can become an active participant when listening to the album. A simple and intuitive user interface lets you adjust the parameters and influence the direction of the music, making each session a unique and personalized experience. Or just let the integrated randomizers do their job. The Sonic Lifeforms App also features stunning visuals that react to the music, creating a multisensory experience.
Screenshots
Verdict
The clearest difference is price: Ech's Fractal at Free against Sonic Lifeforms's $3.99. Ech's Fractal also leads on ratings volume (6 vs 1). Sonic Lifeforms's advantage is rating (5.0 vs 3.7) and update cadence (every 2 weeks vs every 18 months). On ads, in-app purchases, device support and iOS requirement 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
Ech's Fractal is free to download; Sonic Lifeforms costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Sonic Lifeforms holds the better App Store score, 5.0 against 3.7. That said, the two scores are not equally well evidenced: Ech's Fractal has 6 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 75% of Ech's Fractal's written reviews are positive against 100% of Sonic Lifeforms's.
Ech's Fractal ships an update every 18 months, Sonic Lifeforms every 2 weeks. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.
| Parameter | Ech's Fractal | Sonic Lifeforms |
|---|---|---|
| Price | Free — better | $3.99 |
| Rating | 3.7 (6 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 75.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 6 — better | 1 |
| Update frequency | Every 18 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 36 MB | 350 MB |
| Age rating | 9+ | 4+ |
| Developer | Tuan Anh Nguyen | Michael Doerfler |
Customer experience
Ech's Fractal
Sonic Lifeforms
In-app purchases
Ech's Fractal
No in-app purchases
Sonic Lifeforms
No in-app purchases
Questions
Is Ech's Fractal free?
Is Sonic Lifeforms free?
Which has better reviews, Ech's Fractal or Sonic Lifeforms?
Do Ech's Fractal or Sonic Lifeforms have ads?
Which is updated more often, Ech's Fractal or Sonic Lifeforms?
Other comparisons
