FT8 Decoder vs EO2GO Environmental
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.
EO2GO Environmental
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Explore surface water, water quality, crop health, moisture stress, forest coverage and snow cover — all preconfigured for immediate use. Detect changes early, before they become problems, and make better decisions based on real insights. See something unusual? Report it with one tap — your input helps guide satellites to take a closer look. All reports are fully anonymous. EO2GO Environmental is your pocket lab, helping you understand what is happening in your water — on the surface and below — including signals that matter for aquatic life. Understand what you cannot see. Protect what matters. GO.
Screenshots
Verdict
The clearest difference is price: EO2GO Environmental at Free against FT8 Decoder's $1.99. EO2GO Environmental also leads on update cadence (every 11 days vs every 18 months). On ads, in-app purchases, 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
EO2GO Environmental is free to download; FT8 Decoder costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
FT8 Decoder ships an update every 18 months, EO2GO Environmental every 11 days. The most recent releases landed on September 21, 2026 and September 9, 2026 respectively.
| Parameter | FT8 Decoder | EO2GO Environmental |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 4.3 (8 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 8 — better | — |
| Update frequency | Every 18 months | Every 11 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.4 — better | 15.6 |
| Further details — not scored | ||
| Size | 1 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | HotPaw Productions | Hydramo B.V. |
In-app purchases
FT8 Decoder
No in-app purchases
EO2GO Environmental
No in-app purchases
Questions
Is FT8 Decoder free?
Is EO2GO Environmental free?
Do FT8 Decoder or EO2GO Environmental have ads?
Which is updated more often, FT8 Decoder or EO2GO Environmental?
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