HAMmade GRID vs 73 by N0AGI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
HAMmade GRID
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Designed specifically for Amateur Radio Operators (Hams), HAMmade Grid is your ultimate companion for DXing, contesting, and field operations. The app now supports 6, 8, and 10 character Maidenhead Grid Locators, allowing more precise location information for advanced radio operations. Whether you are operating from your home QTH or working portable/rover; instantly find your Maidenhead Grid Locator, visualize the target station on the map, and point your antenna with precision. Key Features: -Precise Location & Grid: Instantly calculates your 6-character Maidenhead Grid Locator using real-time GPS data. -Callsign Lookup: Enter any callsign to automatically fetch location, name, and station details. (requires paid QRZ.com membership) -QRZ.com & HamDB Integration: Log in with your QRZ.com account to access detailed profiles and station photos. No account? No problem. The app automatically falls back to HamDB public data for seamless lookups. Band Availability Insight The app can now display the radio bands that are usable between two selected Maidenhead grid locators. This helps operators quickly evaluate which bands are likely to work at a given moment, making it easier to plan contacts, portable operations, and DX activities. -Smart Compass & Bearing: Calculates the exact Heading and Distance to the target station. The integrated live compass overlay helps you align your antenna directly to the signal source. -Advanced Mapping: Visualize the target Grid square with Standard, Satellite, and Hybrid map modes. -Unit Support: Switch between Kilometers (km) and Miles (mi) effortlessly. -Dark Mode: Eye-friendly interface optimized for night operations. -Multi-Language: Supports English, Turkish, Spanish, German, French, and more.
73 by N0AGI
Quickly look up FCC-licensed amateur radio call signs with comprehensive details. Save favorites for offline access and customize your experience with various themes. Your data remains private with no ads or tracking.
- Search by call sign or operator name
- Filter by license class, status, state, city
- View full FCC record
- Save call signs to Favorites
- Offline access to favorites
- Customizable themes
- QR code sharing
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73 is the fastest way to look up any FCC-licensed amateur radio call sign — right from your pocket. SEARCH & FILTER - Search by call sign or operator name - Filter by license class, status, state, and city - Full FCC record: name, city/state, class, status, dates, previous call signs, FRN - Recent searches remembered for quick re-lookup FAVORITES - Save any call sign to your Favorites list - Stored locally — works offline - Filter, search, and multi-select your saved list CALL SIGN DETAIL - QR code for quick sharing - One-tap share sheet - Direct link to call.n0agi.com record THEMES 14 hand-crafted themes to match your shack: Dark: Midnight, Solar, Matrix, Neon, Gaming, Ocean, Forest, Sandstone, Arctic, Spectrum Light: Daylight, Sand, Sage, Plum PRIVACY FIRST No account. No ads. No tracking. Your data never leaves your device. Powered by the FCC Universal Licensing System. UNLOCK 20-day free trial with full access. One-time $2.99 — no subscription, ever. 73 de N0AGI
Screenshots
Verdict
The clearest difference is in-app purchases: HAMmade GRID at none against 73 by N0AGI's 1. HAMmade GRID also leads on update cadence (every 4 days vs weekly). On price, ads, device support and iOS requirement 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. 73 by N0AGI sells 1 one-off in-app purchase. HAMmade GRID asks for nothing beyond the download.
HAMmade GRID ships an update every 4 days, 73 by N0AGI weekly. The most recent releases landed on October 5, 2026 and October 31, 2026 respectively.
| Parameter | HAMmade GRID | 73 by N0AGI |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 4 days — better | Weekly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 16.0 |
| Further details — not scored | ||
| Size | 18 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Oguz Agceli | N0AGI LLC |
In-app purchases
HAMmade GRID
No in-app purchases
73 by N0AGI
- Unlock 73 by N0AGI$2.99









