# 369Sonic vs EchoGauge

369Sonic and EchoGauge are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

369Sonic ships an update every 9 days, EchoGauge every 5 days. The most recent releases landed on September 10, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | 369Sonic | EchoGauge |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 5 days** |
| Size | 46 MB | 5 MB |
| Requires iOS | **13.0** | 14 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [369sonic s.r.o.](https://appshunter.io/developer/1740955289) | [Sami Pehlivan](https://appshunter.io/developer/1840912051) |

## What reviewers say

### 369Sonic

[App page](https://appshunter.io/ios/app/369sonic/id6496356519)

**Features:** macOS Compatibility

**In-app purchases:** none


### EchoGauge

[App page](https://appshunter.io/ios/app/echogauge/id6752781562)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 369Sonic free?

369Sonic is free to download, with no in-app purchases.

### Is EchoGauge free?

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

### Do 369Sonic or EchoGauge have ads?

Neither 369Sonic nor EchoGauge shows ads.

### Which is updated more often, 369Sonic or EchoGauge?

369Sonic ships an update every 9 days, and EchoGauge every 5 days. Most recently, 369Sonic was updated on September 10, 2026 and EchoGauge on September 8, 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.*