FT8 Decoder vs GuestKeyTS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FT8 Decoder
This application decodes FT8 digital signals from amateur radio bands. It can process audio from external sources or directly from an SSB radio or SDR. The app also generates FT8 modulated audio for experimentation.
- Decodes FT8 8FSK modulated signals
- Processes external audio or SDR sound
- Supports standard callsigns and 13-character messages
- Generates FT8 message audio
- Experiment with sending and receiving FT8 audio
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An FT8 decoder. FT8 is a weak signal digital mode, currently very popular in the amateur radio HF shortwave bands. The ft8d app allows decoding FT8 8FSK modulated signals contained in externally provided audio or sound from an SSB radio or SDR. The app supports Level 1 decoding of messages with standard callsigns or 13 character free text messages. The app can also generate standard FT8 message audio, so can be used to experiment with sending and receiving FT8 encoded and modulated audio. The app does NOT perform Auto-sequencing, or decode long hashed callsigns.
GuestKeyTS
Grant passengers personalized control over specific vehicle features like climate, seat heating, and media. Set access duration and permissions for each guest, ensuring a comfortable and controlled experience for everyone.
- Passenger climate control
- Seat heater access
- Media control for guests
- Door lock management
- Customizable guest permissions
- Temporary access codes
- Proximity security
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Your Tesla. Their comfort. Your rules. GuestKeyTS gives your passengers their own access to seat heaters, climate, media, and door locks — controlled entirely by you. Set exactly which features each guest can use, which seats they can adjust, and how long access lasts. You can offer control of any of the following to your guests. -Car Temparature -Front Seat Heaters -Rear Seat Heaters -Media Controls -Horn -Door locks Share access instantly with an invite code or QR scan. No Tesla account needed for guests — they just open a link. Revoke access anytime with a tap. Perfect for: - Road trips where backseat friends shouldn't have to ask you to change the temperature - Kids in the back who want to control their own seat heater - Rideshare drivers offering a premium passenger experience - Anyone who's ever been asked "can you turn up the heat?" one too many times Push notifications keep you informed to what your guests can do. And Proximity security setting means they need to be near you or the car for the commands to work.
Screenshots
Verdict
The clearest difference is review sentiment: GuestKeyTS at 100% against FT8 Decoder's 50%. GuestKeyTS also leads on price (Free vs $1.99) and rating (5.0 vs 4.3). FT8 Decoder's advantage is iOS requirement (15.4 vs 17.0). On ratings volume, ads, 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
GuestKeyTS is free to download; FT8 Decoder costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
GuestKeyTS holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 8 and 3 respectively. Written reviews point the same way: 50% of FT8 Decoder's written reviews are positive against 100% of GuestKeyTS's.
FT8 Decoder ships an update every 18 months, GuestKeyTS every 5 weeks. Both last shipped on October 24, 2026.
| Parameter | FT8 Decoder | GuestKeyTS |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 4.3 (8 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 50.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 8 — better | 3 |
| Update frequency | Every 18 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.4 — better | 17.0 |
| Further details — not scored | ||
| Size | 1 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | HotPaw Productions | Todd Houle |
Customer experience
FT8 Decoder
GuestKeyTS
In-app purchases
FT8 Decoder
No in-app purchases
GuestKeyTS
No in-app purchases
