Przemienniki vs DigiDecoder
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Przemienniki
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Aplikacja stworzona z myślą o pasjonatach łączności radiowej. Zawiera wszystko, czego potrzebujesz do sprawnej i efektywnej pracy na pasmach amatorskich: Mapa przemienników – łatwo znajdziesz najbliższe przemienniki i ich częstotliwości. QTH Locator – szybkie określanie lokalizacji dla precyzyjnych połączeń. Band plan - przydział częstotliwości na terenie Polski dla Służby Amatorskiej Kody Q – lista standardowych skrótów używanych w łączności. Raportowanie sygnału – ocena czytelności i siły sygnału w standardzie RS. Wyszukiwarka prefiksów – sprawdź kraj nadawcy po jego prefiksie. Alfabet literowania – oficjalny system fonetyczny dla poprawnej komunikacji. Wyszukiwarkę pozwoleń z UKE, Pokazywanie aktualnej wysokość n.p.m, Podział na okręgi (historyczny) Częstotliwości lotnicze Mapa krajów z łącznością Profil terenu, linia widoczności oraz strefa Fresnela Idealne narzędzie dla każdego radioamatora! Pobierz i usprawnij swoje łączności. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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 WSPR - 4-FSK beacons, 2 min periods 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 update cadence: DigiDecoder at every 4 days against Przemienniki's every 2 weeks. DigiDecoder also leads on device support (3 vs 1). On price, ads, in-app purchases 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. Przemienniki sells 3 in-app purchases, starting at $0.99 per month and DigiDecoder sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.
Przemienniki ships an update every 2 weeks, DigiDecoder every 4 days. The most recent releases landed on October 20, 2026 and October 15, 2026 respectively.
| Parameter | Przemienniki | DigiDecoder |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.5 (8 ratings) — better |
| Positive reviews | — | 50.0% of reviews |
| Number of ratings | — | 8 — better |
| Update frequency | Every 2 weeks | Every 4 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone | iPhone, iPad, Mac — better |
| Requires iOS | 17.1 | 17.0 — better |
| Further details — not scored | ||
| Size | 9 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | Orion Lukasz Gonerski | Lukasz Skierkowski |
In-app purchases
Przemienniki
- Subskrypcja miesięczna$0.991 Month
- Subskrypcja roczna$5.991 Year
- Pełny dostęp na zawsze$9.99
DigiDecoder
- DigiDecoder Monthly7 Days trial$2.991 Month
- DigiDecoder TrialFree
- DigiDecoder Lifetime$8.99









