MGRS@Work vs TerraGrid
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MGRS@Work
This navigation app provides precise location data using the Military Grid Reference System (MGRS) and an advanced compass. Designed for professionals in demanding fields, it offers an intuitive interface for quick access to critical navigation information.
- MGRS coordinate support
- Advanced real-time compass
- User-friendly interface
- Quick access to critical data
- Reliable performance in demanding environments
- Apple Watch companion app
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MGRS@Work is your ultimate tool for accurate and reliable navigation, built specifically for professionals who require precise location data in challenging environments. Whether you’re in the military, search and rescue, or any high-stress field, this app delivers powerful features with an intuitive design. Key Features: MGRS Support: Easily access your location using the Military Grid Reference System (MGRS), providing precise coordinates that are essential for tactical operations and mission planning. Advanced Compass: A highly responsive, easy-to-read compass that aligns perfectly with your needs. Navigate confidently with accurate directional data displayed in real-time. User-Friendly Interface: Designed for use in high-pressure situations, the app offers a clean and straightforward interface, allowing you to focus on what’s important without distractions. Quick Access to Critical Data: Instantly retrieve coordinates, heading, and other vital information with minimal effort, ensuring you can make quick decisions when time is of the essence. Reliable Performance: Built to perform in the most demanding environments, whether you’re in the field or on the move, ensuring you always have access to accurate and up-to-date information. MGRS@Watch: Precision navigation now on Apple Watch! Access accurate MGRS coordinates and an advanced compass in a user-friendly interface even without your iPhone. MGRS@Work is more than just a compass—it's a critical tool for professionals who demand the best in navigation technology. With its focus on precision, ease of use, and reliability, this app is your trusted companion in any mission.
TerraGrid
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TerraGrid is precision land navigation for soldiers, hunters, search & rescue teams, surveyors and serious outdoors people. Your grid, your compass and your waypoints, working 100% offline. WHAT'S DIFFERENT • Real datum support: WGS84, ETRS89, ED50, NAD27, NAD83, OSGB36, Tokyo, Pulkovo 1942, DHDN, Monte Mario, GGRS87, RT90, KKJ, S-JTSK, HD72, CH1903+ and more — 27 datums that match the paper maps in your pocket. • National grids by name: PUWG 1992/2000, Gauß-Krüger, Gauss-Boaga, TUREF, Lambert 93, SWEREF 99, ETRS-TM35FIN, ΕΓΣΑ87, PT-TM06, Lambert 2008, RD, S-JTSK, EOV, Stereo 70, LV95, HTRS96/TM, D96/TM, TWD97 TM2, VN-2000, RT90, KKJ, NGO 1948 and Japan's plane rectangular systems. • On-device AI field assistant (iOS 26+): "drop a rally point 100 m north of me", fully offline. • Apple Watch, AR finder and Live Activities: your grid on your wrist, waypoints in your camera view, range on your lock screen. COORDINATES & DATUMS — MGRS, UTM, USNG, DD, DDM, DMS, GEOREF and Maidenhead, from 10 km to 1 m precision — Instant converter between every format and datum, with copy and share — Coordinate OCR: point the camera at a paper map or a written grid and import it MAP & POSITION — Zoom-adaptive MGRS grid overlay with 100 km squares, zone boundaries and labels — Big-type Position screen: date-time group (local + Zulu), grid, barometric and GPS altitude (MSL/HAE), accuracy, position averaging with CEP — Offline map regions: download an area once, navigate without signal WAYPOINTS, ROUTES & TRACKS — Tactical waypoints with NATO-style symbols, folders and layers — Routes with leg tables, terrain-aware time estimates, elevation profile and a printable route card PDF — Track recording with pause, Auto-Pause and moving time, elevation profile and backtrack — GPX, KML and CSV import & export; QR hand-off between devices COMPASS & FIELD TOOLS — True, magnetic and grid north compass with offline WMM2025 declination, bearing lock and mils — BMNT/EENT twilight, sun & moon, pace-count dead reckoning — Grid-stamped photos with EXIF — Voice guidance and red/green night mode TEAM & SYSTEM — Serverless team sharing over your own iCloud: live positions and shared waypoints and routes on the map, no accounts, no servers — Siri: "What's my grid?", home and lock screen widgets, Dynamic Island — Apple Watch app with grid, compass and mark-position complications PRIVACY 100% offline. Zero telemetry. Your location is shared only when you turn on team broadcasting, and waypoints or routes only when you share them — always over your own iCloud. One-time purchase. No subscriptions, no ads, no accounts. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://enfurbay.github.io/terragrid-site/privacy.html
Screenshots
Verdict
The clearest difference is price: MGRS@Work at Free against TerraGrid's $9.99. On update cadence, 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
MGRS@Work is free to download; TerraGrid costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.
MGRS@Work ships an update every 3 weeks, TerraGrid fortnightly. The most recent releases landed on October 30, 2026 and November 6, 2026 respectively.
| Parameter | MGRS@Work | TerraGrid |
|---|---|---|
| Price | Free — better | $9.99 |
| Rating | 4.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 weeks | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, Apple Watch | iPhone, iPad, Apple Watch — better |
| Requires iOS | 17.4 | 17.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | Henning Bjorneng Sagen | Enes Furkan Bayram |
In-app purchases
MGRS@Work
No in-app purchases
TerraGrid
No in-app purchases









