# FractalEcho vs Curvia

The clearest difference is update cadence: Curvia at every 4 days against FractalEcho's fortnightly. On price, ads, in-app purchases 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 and Curvia sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

FractalEcho ships an update fortnightly, Curvia every 4 days. The most recent releases landed on October 24, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | FractalEcho | Curvia |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (10 ratings)](https://appshunter.io/ios/app/fractalecho/id6473468070/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 4 days** |
| Monetization | Freemium | — |
| Size | 138 MB | 9 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Bluestone Pond](https://appshunter.io/developer/544105988) | [rainwe games Co., Ltd.](https://appshunter.io/developer/1796960010) |

## What reviewers say

### 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 |


### Curvia

[App page](https://appshunter.io/ios/app/curvia/id6783280425)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Curvia Pro | $2.99 | one-time |


## Frequently asked questions

### Is FractalEcho free?

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

### Is Curvia free?

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

### Do FractalEcho or Curvia have ads?

Neither FractalEcho nor Curvia shows ads.

### Which is updated more often, FractalEcho or Curvia?

FractalEcho ships an update fortnightly, and Curvia every 4 days. Most recently, FractalEcho was updated on October 24, 2026 and Curvia on October 6, 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.*