Choose your level of awareness
A passive, listen-only platform that surfaces drones (Remote ID), GPS/GNSS interference and unknown wireless activity - on a phone with low-cost SDR hardware.
Free
Start with electronic awareness.
- Free on any Android phone - no SDR needed
- Detects Remote ID drones around you
- See signal detections on the FORSYTE Map
- Ideal for evaluation & training
Lite
Entry-level RF awareness.
- Turns a low-cost RTL-SDR into a real detector
- Watches the signals you choose
- Signal View + FORSYTE Map
- Drone ID Detection
- TAK / ATAK compatible
Plus
Full RF awareness for serious users.
- ✓ Live Signals Map
- ✓ Drone ID Detection
- ✓ TAK / ATAK compatible
- ✓ Multi-signal detection
- ✓ Listen to Signal audio
- ✓ Automatic signal recognition
- ✓ Detect GPS / GNSS interference
- ✓ Direction-find / locate signals
Quick answer: Lite is for training, learning, and low-cost radio monitoring. Plus is for serious security use, wider coverage, drone-awareness work, GPS / GNSS interference awareness, automatic signal recognition, and direction-finding workflows.
One-time payment, no auto-renew. FORSYTE is a passive, listen-only receiver for lawful monitoring, testing, training, security and research - it does not transmit, jam, or decode content.
Lite is a 5-year licence; Plus is a 1- or 5-year fixed-term licence (not a subscription). Prices in USD, bought here and activated in the free app with your licence key.
Technical comparison
The detail, tier by tier.
| Capability | Free | Lite | Plus |
|---|---|---|---|
| Price | Free | $30 one-off | $250 / 1yr · $1,000 / 5yr |
| Licence term | Not included | 5-year fixed-term | 1- or 5-year fixed-term |
| SDR hardware | RTL-SDR (evaluation) | RTL-SDR (full) | HackRF-class / advanced SDR |
| FORSYTE Map | Included | Included | Included |
| Drone ID Detection | Included | Included | Included |
| Multi-signal detection | 1 signal | Up to 3 | Up to 100 |
| Custom frequencies | Not included | ✓ (RTL-SDR) | Included |
| Signal View | Not included | ✓ (RTL-SDR) | ✓ (full) |
| Automatic Signal Recognition | Not included | Not included | Included |
| Direction Finder | Not included | ✓ (RTL-SDR, bearing) | ✓ (full) |
| Interference Monitor (GPS / GNSS) | Not included | Not included | Included |
| Detection log & history | Basic | Included | Included |
| TAK / ATAK export & markers | Not included | Included | Included |
Need hardware too?
Use your own compatible SDR, or request a FORSYTE kit built or procured to order (Android + SDR + antenna + carry case + Plus licence).
Already purchased a key? Download the free app then open Plans & Licence → Activate licence → paste your key.