# Echo vs CCTV Time Difference

The clearest difference is update cadence: CCTV Time Difference at every 2 days against Echo's every 9 days. On price, ads, in-app purchases 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 and CCTV Time Difference sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Echo ships an update every 9 days, CCTV Time Difference every 2 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Echo | CCTV Time Difference |
| --- | --- | --- |
| 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 | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 2 days** |
| Monetization | Free | — |
| Size | 12 MB | 4 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Mark Garrison Jr.](https://appshunter.io/developer/1877165041) | [Poul Laustsen](https://appshunter.io/developer/1689405640) |

## What reviewers say

### 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 |


### CCTV Time Difference

[App page](https://appshunter.io/ios/app/cctv-time-difference/id6808506463)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock CCTV Time Difference | $2.99 | one-time |


## Frequently asked questions

### Is Echo free?

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

### Is CCTV Time Difference free?

CCTV Time Difference is free to download, with in-app purchases available.

### Do Echo or CCTV Time Difference have ads?

Neither Echo nor CCTV Time Difference shows ads.

### Which is updated more often, Echo or CCTV Time Difference?

Echo ships an update every 9 days, and CCTV Time Difference every 2 days. Most recently, Echo was updated on October 24, 2026 and CCTV Time Difference on October 25, 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.*