Comparison

Coordinates vs Grid

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Coordinates

This app is a versatile tool for converting and managing geographic coordinates. It supports numerous global formats and datums, allowing users to view, input, and save locations with rich details. Ideal for professionals and outdoor enthusiasts needing precise location data.

Highlights
  • Coordinate conversion (UTM, MGRS, Georef, etc.)
  • Batch conversion of multiple coordinates
  • Add notes, photos, and media to saved locations
  • Datum conversion with PROJ.4 support
  • Real-time navigation and tracking
  • Offline map tile downloads
  • Import/export GPX, GeoJSON, KML files
Features
Read full description

Coordinates is a powerful and user-friendly tool for anyone working with geographic locations — from travelers and surveyors to engineers and GIS professionals. Instantly view, convert, and manage coordinates in a wide range of global formats and datums, all within a clean and intuitive interface. Whether in the field or at the desk, Coordinates is your all-in-one solution for precise location work. # User-friendly Design Your current location is displayed at the intersection of two grey lines, with clear latitude and longitude readouts. You can manually set the location using map taps, coordinate input, or place search. Intuitive buttons give quick access to measurement tools, map layers, location bookmarking, shape drawing, and annotation — all from a clean, compact interface. # Various Coordinate Formats Supports formats like UTM, MGRS, Georef, and more alongside Longitude/Latitude. # Batch Converter Quickly convert multiple coordinates or files in one streamlined action. # Rich Object Details Add notes, photos, and media to any saved object — pins, shapes, or measurements — to keep your data organized and context-rich. Easily share your saved content across devices using backup and export tools. # Datum Conversion Transform coordinates using EPSG, ESRI, and IAU2000 references. Supports X/Y, geodetic, and projected systems. # PROJ.4 Calculator Convert coordinates between systems using the PROJ.4 library, with support for datum shifting and custom projections. # Navigation & Tracking Real-time bearing and distance updates are provided with a large coordinate readout, ideal for on-the-field usage. # Speedometer Track your current speed in real time. # Unit Converter Convert 40+ units (distance, pressure, radiation, etc.) # Signal Board Send big bold messages on-screen # Elevation Support Altitude data is available for land areas # Import / Export - .gpx .geojson .kml file supported # Distance, Bearing & Area Mark points or draw lines to measure distance, bearings, and area. # Offline Map Tiles Download tiles for offline use. Pick a city or define your own area. # Custom Map Tile Selector Choose from Apple Maps, OSM, or add your own tile server with {z}/{x}/{y} format. # Supported Input / Output # Latitude and Longitude DD/DM/DMS Standard UTM NATO UTM MGRS / USNG Georef QTH Locator / Maidenhead (WGS84) World Mercator (WGS84) Web Mercator Geohash what3words Global Area Reference System (GARS) Ordnance Survey National Grid [BNG] OSGB36 ISO 6709 Natural Area Code Irish Grid Reference / Coordinates Plus Code (Open Location Code) Mapcode Dutch Grid ECEF Indian Kalianpur 1975 Open Postcode Geohash-36 Guatemala GTM RT90 SWEREF99 Indian 1975 QND95 / Qatar National Grid IRENET95 / Irish Transverse Mercator KOSOVAREF01 HD 72 / EOV Kertau (RSO) / RSO Malaya Timbalai 1948 / RSO Borneo EST97 Estonian 1997 LKS92 / Latvia TM NZGD49 NZGD2000 CH1903/+ GGRS87 ETRS89-extended / LAEA Europe NTF (Paris) / Lambert zone II French DFCI Grid ARINC 424 FMS ARC1950 Pulkovo 1942 / SK42 PZ-90 H3 Placekey GDM2000 JGD2011 KUDAMS/KTM World Magnetic Model / WMM 2015v2 PRS92 / Philippines Search by name Photo metadata Proj.4 formats Street Address # Subscriptions # “Coordinates – GPS Converter” including most of its features, is completely FREE to use. You can subscribe to this application to remove ads Price may vary by location. Payment for subscriptions will be charged to your iTunes Account at confirmation of purchase Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Subscriptions may be managed by going to your iTunes Account Settings after purchase or by clicking the “Purchase / Manage Subscription. Auto-renewal may be turned off by going to Account Settings after purchase. Subscription cannot be cancelled during the active subscription period Privacy policy: https://mapnitude.com/privacy-policy Terms of use: https://mapnitude.com/terms-of-service

About

Grid

This app provides accurate location data in MGRS/USNG and lat/lon formats, along with altitude, course, and speed. It features a satellite map, a coordinate converter, and options to adjust grid accuracy and units. Location updates can be toggled to conserve battery.

Highlights
  • MGRS/USNG and lat/lon coordinates
  • Altitude, course, and speed display
  • Satellite map view
  • Coordinate converter (DMS, MGRS, UTM)
  • Adjustable grid accuracy
  • Toggleable location updates
Features
Read full description

Grid Nav gives you accurate location data in angular geographic coordinates and in Military Grid Reference System (MGRS)/USNG format. Perfect for Land Nav. Simple to use without a bunch of clutter to get in your way so you can get the information you need quickly. Completely re-written from Grid Nav2 to provide the latest in accuracy & power savings. Features: - easily get your current coordinates in lat/lon and MGRS format as well as altitude, course, and speed - the ability to turn on & off location updates to save battery - satellite map of your location - a converter to change between degrees or degrees, minutes, seconds (DMS) and MGRS & UTM - change between ft/mph and m/kph - change the displayed grid accuracy (8, 10, or 12 digit grid) ***Privacy Information*** Absolutely NO user data is taken, stored or transmitted by this application (unlike the other “nav” apps you have on your phone right now)

Screenshots

Coordinates4 screens
Grid4 screens

Verdict

The call

The clearest difference is review sentiment: Coordinates at 63% against Grid's 0%. Coordinates also leads on price (Free vs $0.99) and rating (4.6 vs 3.7). Grid's advantage is in-app purchases (none vs 6) and ads (none vs shown).

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Coordinates is free to download; Grid costs $0.99 up front. Coordinates sells 6 in-app purchases, starting at $1.99 per month. Grid asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Coordinates holds the better App Store score, 4.6 against 3.7. That said, the two scores are not equally well evidenced: Coordinates has 6.6K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 63% of Coordinates's written reviews are positive against 0% of Grid's.

UpkeepUpdate frequency

Coordinates ships an update monthly, Grid every 5 months. The most recent releases landed on September 26, 2026 and September 21, 2026 respectively.

Scorecard10 real differences · 0 level
Coordinates versus Grid: the parameters behind the verdict, then further details
ParameterCoordinatesGrid
PriceFree — better$0.99
Rating4.6 (6.6K ratings) — better3.7 (3 ratings)
Positive reviews63.4% of reviews — better0.0% of reviews
Number of ratings6.6K — better3
Update frequencyMonthly — betterEvery 5 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPod
Requires iOS15.69.0 — better
Further details — not scored
Size99 MB16 MB
Age rating4+4+
DeveloperMapnitude Company LimitedMatt Kaili

Customer experience

Coordinates

All ratings6,618 ratings
Positive91.7%
Neutral4.3%
Negative4.0%
Written reviews175 reviews
Positive63.4%
Neutral9.1%
Negative27.4%

Grid

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Bugs and requests

Coordinates

Reported bugs

5 issues
  • Coordinate display issues (e.g., UTM showing incorrect hemisphere)
  • App crashing or freezing on launch
  • Inability to delete drawn lines or markers
  • Coordinate conversion not working as expected
  • Compatibility issues with newer iPhone models

Requested features

6 requests
  • Navigation and routing functionality
  • Support for What3Words coordinate system
  • Option to set preferred coordinate format as default
  • Ability to enter addresses or intersections to get coordinates
  • Add altitude information to saved locations
Show 1 more
  • Offline mode for areas without cellular coverage

Grid

Not enough reviews yet to summarise bugs or requests.

In-app purchases

6 purchases

Coordinates

Subscriptions6
  • Plus Upgrade$1.991 Month
  • Plus Upgrade$2.991 Month
  • Plus Upgrade$9.996 Months
Show 3 more
  • Plus Upgrade$15.996 Months
  • Plus Upgrade$17.991 Year
  • Plus Upgrade$28.991 Year
None

Grid

No in-app purchases

Questions

Is Coordinates free?
Coordinates is free to download, with in-app purchases available.
Is Grid free?
Grid costs $0.99, with no in-app purchases.
Which has better reviews, Coordinates or Grid?
Coordinates is rated higher. Coordinates averages 4.6 out of 5 from 6.6K ratings, while Grid averages 3.7 from 3 ratings.
Do Coordinates or Grid have ads?
Coordinates shows ads; Grid does not.
Which is updated more often, Coordinates or Grid?
Coordinates ships an update monthly, and Grid every 5 months. Most recently, Coordinates was updated on September 26, 2026 and Grid on September 21, 2026.

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