RST SEAL vs SatNOGS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RST SEAL
Practice simulated radio communications for ham radio beginners. Select various QSO elements like callsigns, names, and locations to train your listening and typing skills. Adjust frequency, speed, and volume for a personalized learning experience.
- Simulated QSO communication
- Randomized QSO elements (Call, RST, Name, QTH)
- Adjustable frequency, speed, and volume
- Noise (QRN) ON/OFF
- Entity selection (W/W, JA, US)
- Fuzzy keying option
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This app is a CW QSO Trainer App for CW beginner of Ham Radio. You can select various information from CALL, RST, Name, QTH, Rig/Ant and Age/WX by random. This allows you to experience the actual QSO communication content in a simulated manner. Default OP Name is "OM", please touch/input your Name by software keyboard. Start with the "START" button. Repeat the previous with the "AGAIN" button. Check the FREQ SPEED and VOL the "VVV" button. [CheckBox] CALL: You will hear a Callsign, enter the callsign and press Enter. RST: You will hear the RST Report, enter the Report and press Enter. NAME: You will hear the OP Name, enter the Name and press Enter. QTH: You will hear the QTH of OP, enter the QTH and press Enter. RIG/ANT: You will hear the Rig or Antenna of OP, enter the Rig/Antenna and press Enter. AGE/WX: You will hear the Age or WX(Weather) of OP, enter the Age/WX and press Enter. QRN: GRN is ON/OFF of the background Signal Noise. Entity: You can choose W/W, JA or US. FuzKey: Fuzzy Keying like a Straight Key. [Slider] FREQ.: You can choose the tone of CW. SPEED: You can choose the speed of CW. VOL.: You can choose the sound level of CW. [Demo Video URL] https://youtu.be/fcRPz94sga8 Supported keyboard input from Apple Silicon Mac. [Support Key] A-Z, 0-9, / Enter:return BS:delete START:UpArrow AGN:DownArrow LEFT:LeftArrow RIGHT:RightArrow
SatNOGS
Access a global network of satellite ground stations to communicate with satellites and observe their data. The platform is open to all, with public observation results freely distributed. Resources are available for building your own ground station.
- Global ground station network access
- Remote ground station operation
- Satellite communication
- Public observation data access
- Ground station building resources
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SatNOGS Network is a global management interface to facilitate multiple ground station operations remotely. An observer is able to take advantage of the full network of SatNOGS ground stations around the world. The network is open to anyone. Any observer is able to utilize all available Ground Stations and communicate with Satellites. All observations results are public and all data are distributed freely under the Creative Commons Atribution-Share Alike license. Whether you own satellite ground station equipment or you want to build one you can head to SatNOGS Project site to get up to date documentation and info on how to build a SatNOGS ground station. App functionality is currently limited by SatNOGS API and will be significantly improved in next major release.
Screenshots
Verdict
The clearest difference is rating: SatNOGS at 5.0 against RST SEAL's 4.5. SatNOGS also leads on ads (none vs shown) and monetization model (free vs ad-supported). RST SEAL's advantage is update cadence (every 3 weeks vs every 5 months) and iOS requirement (13.0 vs 15.0). On price, ratings volume, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
SatNOGS holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 2 and 4 respectively.
RST SEAL ships an update every 3 weeks, SatNOGS every 5 months. The most recent releases landed on October 21, 2026 and October 16, 2026 respectively.
| Parameter | RST SEAL | SatNOGS |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (2 ratings) | 5.0 (4 ratings) — better |
| Positive reviews | 33.3% of reviews | — |
| Number of ratings | 2 | 4 — better |
| Update frequency | Every 3 weeks — better | Every 5 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 9 MB | 48 MB |
| Age rating | 4+ | 4+ |
| Developer | koji kamogawa | Victor Belov |
Customer experience
RST SEAL
SatNOGS
In-app purchases
RST SEAL
No in-app purchases
SatNOGS
No in-app purchases







