# ecoute.io vs Shadow Flow

The clearest difference is update cadence: Shadow Flow at every 9 days against ecoute.io's every 3 weeks. ecoute.io's advantage is iOS requirement (15.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ecoute.io ships an update every 3 weeks, Shadow Flow every 9 days. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | ecoute.io | Shadow Flow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Size | 13 MB | 100 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Jobs Around](https://appshunter.io/developer/1776849758) | [HOI TAI CHENG](https://appshunter.io/developer/6781037959) |

## What reviewers say

### ecoute.io

[App page](https://appshunter.io/ios/app/ecouteio/id6760581187)

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

**In-app purchases:** none


### Shadow Flow

[App page](https://appshunter.io/ios/app/shadow-flow-shadow-and-speak/id6781037957)

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

**In-app purchases:** none


## Frequently asked questions

### Is ecoute.io free?

ecoute.io is free to download, with no in-app purchases.

### Is Shadow Flow free?

Shadow Flow is free to download, with no in-app purchases.

### Do ecoute.io or Shadow Flow have ads?

Neither ecoute.io nor Shadow Flow shows ads.

### Which is updated more often, ecoute.io or Shadow Flow?

ecoute.io ships an update every 3 weeks, and Shadow Flow every 9 days. Most recently, ecoute.io was updated on October 31, 2026 and Shadow Flow on November 5, 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.*