# Echo54 vs BT PARTY

The clearest difference is update cadence: BT PARTY at every 9 days against Echo54's every 3 weeks. Echo54's advantage is iOS requirement (13.0 vs 15.0). 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.

Echo54 ships an update every 3 weeks, BT PARTY every 9 days. The most recent releases landed on September 9, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Echo54 | BT PARTY |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Size | 35 MB | 22 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PERIMETER AI INC.](https://appshunter.io/developer/1572482503) | [孝梅 吴](https://appshunter.io/developer/1732702031) |

## What reviewers say

### Echo54

[App page](https://appshunter.io/ios/app/echo54/id6444230601)

**Features:** macOS Compatibility

**In-app purchases:** none


### BT PARTY

[App page](https://appshunter.io/ios/app/bt-party/id6478450486)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Echo54 free?

Echo54 is free to download, with no in-app purchases.

### Is BT PARTY free?

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

### Do Echo54 or BT PARTY have ads?

Neither Echo54 nor BT PARTY shows ads.

### Which is updated more often, Echo54 or BT PARTY?

Echo54 ships an update every 3 weeks, and BT PARTY every 9 days. Most recently, Echo54 was updated on September 9, 2026 and BT PARTY on September 15, 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.*