# Flat Wallet vs Echo

The clearest difference is in-app purchases: Flat Wallet at none against Echo's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Echo sells 2 in-app purchases, starting at $4.99 per month. Flat Wallet asks for nothing beyond the download.

Flat Wallet ships an update every 2 weeks, Echo every 9 days. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Flat Wallet | Echo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (36 ratings)](https://appshunter.io/ios/app/echo-global-sdr-receiver/id6759174390/reviews)** |
| Number of ratings | — | **36** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 9 days** |
| Monetization | — | Free |
| Size | 2 MB | 12 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Tomasz Pikc](https://appshunter.io/developer/1372449990) | [Mark Garrison Jr.](https://appshunter.io/developer/1877165041) |

## What reviewers say

### Flat Wallet

[App page](https://appshunter.io/ios/app/flat-wallet/id6758350566)

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

**In-app purchases:** none


### Echo

[App page](https://appshunter.io/ios/app/echo-global-sdr-receiver/id6759174390)

Tune into thousands of remote radio servers worldwide from your iPhone or iPad. Explore shortwave broadcasts, aviation communications, and more with a global interactive map and advanced tuning features. Enjoy uninterrupted background audio and a privacy-first experience.

**Highlights:** Global interactive map and search, Support for multiple SDR architectures, Scanner mode and OpenMHz archives, Pro-level tuning and analytics, Offline frequency library and logging, Uninterrupted background audio, Privacy-first design

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Echo Pro Monthly | $4.99 | per month |
| Echo Pro Annual | $39.99 | per year |


## Frequently asked questions

### Is Flat Wallet free?

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

### Is Echo free?

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

### Do Flat Wallet or Echo have ads?

Neither Flat Wallet nor Echo shows ads.

### Which is updated more often, Flat Wallet or Echo?

Flat Wallet ships an update every 2 weeks, and Echo every 9 days. Most recently, Flat Wallet was updated on October 28, 2026 and Echo on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*