HamWatch vs Radio GridFix
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
HamWatch
This app provides amateur radio operators with essential tools on their Apple Watch. Monitor real-time space weather data and track POTA spots directly from your wrist. Customizable complications display your call sign on your watch face.
- Real-time space weather monitoring
- 24-hour historical space weather charts
- POTA spot tracking on wrist
- Customizable watch face complications
- Seamless iPhone and Apple Watch sync
- Configurable auto-refresh intervals
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Real-time ham radio data — on your Apple Watch. HamWatch gives field operators instant access to space weather, propagation conditions, and on-the-air spots, right from your wrist. SPACE WEATHER Live solar wind, Bz/Bt, and solar imagery from NOAA and NASA — including coronal hole monitoring and sunspot tracking. 24-hour charts included. SPOTS POTA, SOTA, and WWFF spots in real time. Filter by mode and band. Pull to refresh. Works on iPhone and Apple Watch. MAPS & TOOLS Azimuthal map centered on your GPS location shows true compass bearings to the world — aim your beam with confidence. WATCH FACE Complications for call sign, SFI, A-Index, and UTC. Choose which views appear on your watch from Settings → Configure Watch Views. The iPhone companion app adds larger charts and detailed data views. Everything syncs automatically between devices. https://www.hamwatch.app
Radio GridFix
Instantly capture and convert your GPS location into various formats like Maidenhead Grid, Decimal Degrees, Geohash, and Plus Code. Ideal for amateur radio operators, emergency communications, and land navigation needs.
- Accurate GPS position locking
- Convert to Maidenhead Grid
- Convert to Decimal Degrees
- Convert to DMS
- Convert to Geohash
- Convert to Plus Code
- Copy location instantly
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Lock an accurate GPS position once and instantly copy it as Maidenhead Grid, Decimal Degrees, DMS, Geohash, or Plus Code. Built for amateur radio operators, POTA, SOTA, emergency communications, and land navigation. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is price: Radio GridFix at Free against HamWatch's $4.99. Radio GridFix also leads on update cadence (daily vs every 10 days). HamWatch's advantage is in-app purchases (none vs 1). On rating, review sentiment, ratings volume and ads 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
Radio GridFix is free to download; HamWatch costs $4.99 up front. Radio GridFix sells 1 in-app purchase, starting at $9.99 per year. HamWatch asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for HamWatch against 5.0 for Radio GridFix. Both are backed by a comparable volume of ratings — 3 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
HamWatch ships an update every 10 days, Radio GridFix daily. The most recent releases landed on October 19, 2026 and October 16, 2026 respectively.
| Parameter | HamWatch | Radio GridFix |
|---|---|---|
| Price | $4.99 | Free — better |
| Rating | 5.0 (3 ratings) | 5.0 (2 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 3 — better | 2 |
| Update frequency | Every 10 days | Daily — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, Apple Watch | iPhone, iPad |
| Requires iOS | 16.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 6 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | James Krepelka | Ken Webster |
Customer experience
HamWatch
Radio GridFix
In-app purchases
HamWatch
No in-app purchases
Radio GridFix
- Radio GridFix Pro$9.991 Year
