HamRadar vs CoronaSDR
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
HamRadar
Instantly find and connect to amateur radio repeaters with a comprehensive database and an aircraft-style radar interface. View detailed information for over 62,000 active repeaters across all U.S. states, with offline access and Apple Watch complications.
- Offline repeater database
- Aircraft-style radar sweep
- Integrated compass
- Configurable scan range
- List view sorted by distance
- Apple Watch complications
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HamRadar makes finding and connecting to amateur radio repeaters a breeze. Instantly see nearby repeaters at a glance—online or offline. The app includes a database of over 62,000 active repeaters across all 50 U.S. states. Every listing provides: Callsign Frequency CTCSS/PL tone Distance & direction from your location HamRadar features an aircraft-style radar sweep animation with integrated compass bezel, configurable scan range up to 25 miles, list view sorted by distance, and Apple Watch complications showing nearby repeater count, frequency, tone, direction, and distance. Perfect for mobile operators, hikers, travelers, and anyone needing fast situational awareness of local repeater activity. Subscription & Free Trial Information HamRadar offers an optional HamRadar Annual Subscription, which unlocks full access after the trial period. Title: HamRadar Annual Subscription Length: 1 year (auto-renewing) Price: $9.99 per year Free Trial: Try all features at no cost during the trial period. After the trial ends, your subscription will automatically begin unless canceled at least 24 hours before the trial expires. Payment will be charged to your Apple ID account at confirmation of purchase (or after the trial ends if applicable). Subscription automatically renews unless canceled at least 24 hours before the end of the current period. Manage or cancel your subscription anytime in your App Store account settings. Privacy & Terms By using HamRadar, you agree to our policies: Privacy Policy: https://www.gridbase.net/pages/privacy-policy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
CoronaSDR
This application allows users to connect to and control RTL-SDR servers on their local network. It provides live spectrum and waterfall displays, various demodulation modes, and DSP controls for audio filtering and signal tuning. Users can save favorite stations and adjust RF settings.
- Live spectrum and waterfall display
- Multiple demodulation modes (AM, NFM, WFM, USB, LSB, CW)
- DSP controls (squelch, AGC, filters)
- Station favorites with import/export
- RF controls (PPM, tuner options)
- Diagnostics and performance pipeline
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CoronaSDR is an iOS app for listening to rtl_tcp SDR servers over your local network. Key features: - Live spectrum and waterfall rendering - Demodulation modes: AM, NFM, WFM, USB, LSB, CW - DSP controls: squelch, AGC, audio filters, de-emphasis - Station favorites with import/export - RF controls such as PPM and tuner options (hardware/server dependent) - Diagnostics and a performance-focused pipeline No account is required. Set your rtl_tcp host and port, connect, and tune. Built by Silviu YO6SAY for the radio community.
Screenshots
Verdict
The clearest difference is rating: CoronaSDR at 5.0 against HamRadar's 3.8. CoronaSDR also leads on in-app purchases (none vs 1) and review sentiment (100% vs 67%). HamRadar's advantage is update cadence (daily vs every 9 days) and iOS requirement (16.2 vs 18.0). On price, ratings volume, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. HamRadar sells 1 in-app purchase, starting at $9.99 per year. CoronaSDR asks for nothing beyond the download.
CoronaSDR holds the better App Store score, 5.0 against 3.8. Both are backed by a comparable volume of ratings — 6 and 10 respectively. Written reviews point the same way: 67% of HamRadar's written reviews are positive against 100% of CoronaSDR's.
HamRadar ships an update daily, CoronaSDR every 9 days. Both last shipped on October 24, 2026.
| Parameter | HamRadar | CoronaSDR |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (6 ratings) | 5.0 (10 ratings) — better |
| Positive reviews | 66.7% of reviews | 100.0% of reviews — better |
| Number of ratings | 6 | 10 — better |
| Update frequency | Daily — better | Every 9 days |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | Free — better |
| Devices | iPhone, iPad, Apple Watch — better | iPhone, iPad |
| Requires iOS | 16.2 — better | 18.0 |
| Further details — not scored | ||
| Size | 16 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Jacob Knight | Alien Systems S.R.L. |
Customer experience
HamRadar
CoronaSDR
In-app purchases
HamRadar
- United States$9.991 Year
CoronaSDR
No in-app purchases









