HAMmade GRID vs DigiDecoder
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.
DigiDecoder
This application decodes and encodes various ham radio digital modes in real-time. It automatically recognizes signals, displays them with an animated waterfall, and supports sending SSTV images, CW, FT8, and Packet messages.
- Real-time digital mode decoding
- Automatic signal recognition
- Animated waterfall display
- SSTV image encoding
- CW, FT8, and Packet message encoding
- Bluetooth and network TNC support
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DigiDecoder is a universal ham radio digital modes decoder and encoder. Use the built-in microphone or connect an audio cable directly for better input quality. One app for all the signals! The correct digital mode is automatically recognized and decoded in real time with an animated waterfall display. Quickly encode and send beautiful SSTV images, plus CW, FT8, and Packet messages. Bluetooth and network TNCs for Packet are supported as well. Try DigiDecoder free for 7 days. After the trial, continue with an affordable monthly subscription, or unlock lifetime access with a one-time purchase (a few months' worth). Nothing is charged during the trial and you can cancel anytime. Currently supported modes (more to come): SSTV: Robot 8 BW - 160×120 Robot 12 BW - 160×120 Robot 24 Color - 160×120 YCrCb Robot 24 BW - 320×240 Robot 36 - 320×240 YCrCb Robot 72 - 320×240 YCrCb Scottie S1 - 320×256 RGB Scottie S2 - 320×256 RGB Scottie DX - 320×256 RGB Martin M1 - 320×256 RGB Martin M2 - 320×256 RGB PD50 - 320×256 YCrCb PD90 - 320×256 YCrCb PD120 - 640×496 YCrCb PD180 - 640×496 YCrCb PD240 - 640×496 YCrCb PD160 - 512×400 YCrCb PD290 - 800×616 YCrCb Packet: AX.25 1200 - AFSK Bell 202, 1200/2200 Hz FX.25 1200 - AX.25 + Reed-Solomon FEC AX.25 300 - AFSK 1600/1800 Hz FX.25 300 - AX.25 300 + Reed-Solomon FEC IL2P 1200 AFSK - Bell 202 + RS FEC IL2P 300 AFSK - 1600/1800 Hz + RS FEC IL2P 300 BPSK - 1500 Hz DBPSK + RS FEC Weak Signal: FT8 - 8-tone GFSK, 15s periods FT4 - 4-tone GFSK, 7.5s periods JS8 - Keyboard-to-keyboard, FT8-based modulation Narrowband: RTTY - 45.45/50/75 Bd CW/Morse - 5-55 WPM Olivia - 8/250, 8/500, 16/500, 16/1000, 32/1000 Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: HAMmade GRID at none against DigiDecoder's 3. HAMmade GRID also leads on iOS requirement (15.1 vs 17.0). On price, update cadence, 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. DigiDecoder sells 3 in-app purchases, starting at $2.99 per month. HAMmade GRID asks for nothing beyond the download.
HAMmade GRID ships an update every 4 days, DigiDecoder every 3 days. The most recent releases landed on September 18, 2026 and September 11, 2026 respectively.
| Parameter | HAMmade GRID | DigiDecoder |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.4 (7 ratings) — better |
| Positive reviews | — | 50.0% of reviews |
| Number of ratings | — | 7 — better |
| Update frequency | Every 4 days | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, Mac — better |
| Requires iOS | 15.1 — better | 17.0 |
| Further details — not scored | ||
| Size | 18 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | Oguz Agceli | Lukasz Skierkowski |
In-app purchases
HAMmade GRID
No in-app purchases
DigiDecoder
- DigiDecoder Monthly7 Days trial$2.991 Month
- DigiDecoder TrialFree
- DigiDecoder Lifetime$8.99









