# Red Grid Tactical

> Red Grid Tactical builds zero-network, offline-first tactical apps for field operators, search-and-rescue, and land-navigation training: no accounts, no analytics, no tracking. The flagship app is Red Grid MGRS, a DAGR-class military-grade MGRS navigator for iOS and Android. Built in collaboration with active-duty and retired U.S. Army soldiers.

## Red Grid MGRS (flagship)
A "$2,500 DAGR-class MGRS navigator" in your pocket: 10-digit Military Grid Reference System precision, offline tactical maps, land-navigation tools, NATO report templates, shareable route cards, and optional Meshtastic mesh awareness over Bluetooth. Location is computed on-device, held in memory only, and never transmitted.
- Platforms: iOS 12+ and Android (API 24+); 16 in-app languages.
- MGRS engine: DMA Technical Manual 8358.1 compliant: truncates (not rounds) intermediate UTM values, matching military receivers (DAGR, PLGR) and NGA GeoTrans, so it stays in the correct grid square at boundaries.
- Pricing: free core app; Pro adds a 7-day free trial, then $3.99/month, $29.99/year, or $199.99 lifetime.
- Free: 6-digit MGRS, offline map, 3 land-nav tools, 3 NATO reports, 1 theme, 1 waypoint.
- Pro: 10-digit MGRS; all 10 tools; offline map packages; route cards; unlimited waypoint lists with GPX/KML; all 6 NATO reports; all themes; Meshtastic mesh-node awareness; UTM/lat-lon/DMS/FixPhrase formats; HUD mode.

## Red Grid Link (companion)
A separate team-awareness app for shared field sessions (offline peer-to-peer over BLE / Multipeer / Nearby Connections). Same privacy posture: no accounts, no tracking.

## Common questions
- What is MGRS? The Military Grid Reference System: the NATO standard for ground position, more precise and less error-prone for land navigation than latitude/longitude.
- Does Red Grid MGRS work offline? Yes: all core navigation works with no signal; download map tiles in advance.
- Is my location tracked? No. It is computed on-device, held in memory, and never sent anywhere.

## Links
- Red Grid MGRS product page: https://redgridtactical.com/mgrs.html
- App Store: https://apps.apple.com/app/id6759629554
- Google Play: https://play.google.com/store/apps/details?id=com.redgrid.redgridtactical
- Free web MGRS converter (no install): https://redgridtactical.github.io/RedGridMGRS/tools.html
- Roadmap: https://redgridtactical.com/roadmap.html
- About / founder: https://redgridtactical.com/about.html
- Source (MIT + Commons Clause): https://github.com/RedGridTactical/RedGridMGRS