# KlaRE vs CoronaSDR

The clearest difference is in-app purchases: CoronaSDR at none against KlaRE's 1. CoronaSDR also leads on update cadence (every 2 weeks vs monthly). KlaRE's advantage is iOS requirement (16.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. KlaRE sells 1 in-app purchase, starting at $59.99 per year. CoronaSDR asks for nothing beyond the download.

KlaRE ships an update monthly, CoronaSDR every 2 weeks. The most recent releases landed on November 4, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | KlaRE | CoronaSDR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (10 ratings)](https://appshunter.io/ios/app/coronasdr-rtl-sdr-client/id6759222137/reviews)** |
| Number of ratings | — | **10** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 28 MB | 5 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [Phantom Design](https://appshunter.io/developer/1391951330) | [Alien Systems S.R.L.](https://appshunter.io/developer/1047123293) |

## What reviewers say

### KlaRE

[App page](https://appshunter.io/ios/app/klare/id6511210417)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KLARE Premium (One Year) | $59.99 | per year |


### CoronaSDR

[App page](https://appshunter.io/ios/app/coronasdr-rtl-sdr-client/id6759222137)

Explore the radio spectrum and decode signals directly from your iPhone or iPad. This app connects to an RTL-SDR receiver, offering live tuning, audio, spectrum, and waterfall displays. It also features experimental CW and FT8 decoding capabilities.

**Highlights:** Live spectrum and waterfall displays, AM, FM, USB, LSB, CW reception, CW and FT8 decoding, Station saving and management, Receiver adjustment controls, Background listening

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

**In-app purchases:** none


## Frequently asked questions

### Is KlaRE free?

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

### Is CoronaSDR free?

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

### Do KlaRE or CoronaSDR have ads?

Neither KlaRE nor CoronaSDR shows ads.

### Which is updated more often, KlaRE or CoronaSDR?

KlaRE ships an update monthly, and CoronaSDR every 2 weeks. Most recently, KlaRE was updated on November 4, 2026 and CoronaSDR on November 9, 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.*