Sentinel
A free mobile app that turns a spare phone into a passive acoustic drone detector.
Maturity not rated
Startup · Switzerland
Askalon Industries
HQ Lausanne, SwitzerlandFounded 202511-50 employees
Edge AI acoustic detection systems for airspace security. Passive, real-time drone detection—no radar, no jamming. Built for critical infrastructure and defense.
Systems1
Newest unveiled first. Open a system for its milestone timeline, components and sources.
Capabilities2
| Technology | Role | Maturity | TRL | Notes | Confidence |
|---|---|---|---|---|---|
| Air and missile defense | Developer | — | — | classify_sectors run 37, haiku, taxonomy 2026-10-18b: Acoustic drone detection for airspace security, explicitly built for defense and critical infrastructure. | Reported |
| Sensing and signature management | Developer | — | — | classify_sectors run 37, haiku, taxonomy 2026-10-18b: Acoustic drone detection for airspace security, explicitly built for defense and critical infrastructure. | Reported |
- Developerclassify_sectors run 37, haiku, taxonomy 2026-10-18b: Acoustic drone detection for airspace security, explicitly built for defense and critical infrastructure.—Reported
- Developerclassify_sectors run 37, haiku, taxonomy 2026-10-18b: Acoustic drone detection for airspace security, explicitly built for defense and critical infrastructure.—Reported
Maturity and TRL describe this organization's work; the field-wide maturity is on each technology's page.
Sources5
Profile4
- 1
PitchBook · Supports Organization · employee range, Organization · founded year, Organization · linkedin url, Organization · x url
“employee_range: 11-50 (profile: 11)”
- 2
Sixth-Domain · Supports Organization · country, Organization · kind
“{"country": "Switzerland", "hq_iso2": "CH", "id": "4b4b64f0-8790-4f3e-ab03-8e1d36c450e1"}”
- 3
Askalon Industries · Supports Organization · description, Organization · name, Organization · website
“Edge AI acoustic detection systems for airspace security. Passive, real-time drone detection—no radar, no jamming. Built for critical infrastructure and defense.”
- 4
LinkedIn · Supports Organization · employee range, Organization · founded year, Organization · hq city, Organization · linkedin url, Organization · ownership
“employee_range: 11-50 (profile: 11-50 employees)”
Systems1
- 5
Askalon Industries · Supports System
“Sentinel is a free app from Askalon INDUSTRIES, currently in beta.** ### **Leave an old phone at your window and it listens for drones”
Each fact on this page is attached to the sources that support it. Archived copies are linked when we keep one.