Topography Lite vs Grid Ref UTM
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Topography Lite
This tool helps civil engineers, architects, and surveyors measure surface areas and convert coordinates to UTM EGSA87. It allows users to calculate polygon areas, export measurements in DXF, KML, and TXT formats, and input coordinates manually or by selecting points on a map.
- Convert coordinates to UTM EGSA87
- Calculate polygon area in square meters
- Export measurements in DXF, KML, TXT
- Input coordinates manually
- Select points on map for measurement
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The application is very useful to Civil Engineers, Architects, Surveyors, and those interested in measuring a surface area or converting its coordinates to UTM EGSA87. This tool enables users to: 1. Convert the coordinates (x,y) to UTM EGSA87 Datum 2. Calculate the area of a polygon in square meters (m2) 3. Send the above measurements by e-mail in [dxf] file format. The dxf file can be opened in a MAC or a PC by any drawing application like Autocad. 4. Send measurements by e-mail in [kml] file format. The kml file can be opened in a MAC or a PC or iPhone by GoogleEarth application. 5. Send measurements by e-mail in [TXT] file format. The text file contains coordinates either in EGSA87 Datum or Latitude and Longitude in decimal degrees or UTM coordinates. The measurements mentioned above can be provided not only by placing the iPhone in each border of a surface area, but also from distance (when users are on their bed or their sofa). Users may also have their final measurements by entering the coordinates either in EGSA87 Datum or Latitude and Longitude in decimal degrees. *********Caution: The Free Version of the program has the additional alteration of EGSA87 coordination by 20% and reduce the measured points. For accurate results buy the full version ! ---------------------------------------------------------------------------------- Η εφαρμογή είναι πολύ χρήσιμη για Πολιτικούς Μηχανικούς , Αρχιτέκτονες , τοπογράφους , και σε όσους ενδιαφέρονται για τη μέτρηση μιας επιφάνειας (γεωτεμαχίου, οικοπέδου κτλ) ή για την μετατροπή των συντεταγμένων της σε UTM ΕΓΣΑ87. Αυτή η εφαρμογή επιτρέπει στους χρήστες να : 1. Να μετατρέψουν τις συντεταγμένες ( x , y ) στο UTM ΕΓΣΑ87 Datum 2. Να υπολογίσουν το εμβαδόν ενός πολυγώνου σε τετραγωνικά μέτρα (m2) 3. Να στείλουν τις παραπάνω μετρήσεις μέσω e-mail σε μορφή αρχείου [dxf]. Το αρχείο DXF μπορεί να ανοίξει σε MAC ή PC από οποιαδήποτε cad εφαρμογή όπως το Autocad. 4. Να στείλουν τις παραπάνω μετρήσεις μέσω σε e-mail σε μορφή αρχείου [ΚΜL]. Το αρχείο KML μπορεί να ανοίξει σε MAC ή PC ή στο iPhone από την εφαρμογή GoogleEarth. Οι μετρήσεις που αναφέρονται παραπάνω μπορεί να προέρχονται όχι μόνο από τη τοποθέτηση του iPhone σε κάθε κορυφή της επιφάνειας που θέλουμε να μετρήσουμε, αλλά και από απόσταση, βρίσκοντας την επιφάνεια που μας ενδιαφέρει από τον χάρτη της εφαρμογής μας και επιλέγοντας τις κορυφές της. Οι χρήστες μπορούν επίσης να έχουν τελικές μετρήσεις τους, εισάγοντας τις συντεταγμένες είτε σε ΕΓΣΑ87 Datum ή το γεωγραφικό πλάτος και το γεωγραφικό μήκος σε δεκαδικούς βαθμούς *********Προσοχή: Η Free Version του προγράμματος έχει επιπρόσθετη αλλoίωση των συντεραγμένων ΕΓΣΑ87 κατα 20% καθώς και περιορισμό μετρούμενων σημείων. Για ακριβή αποτελέσματα αγοράστε την πλήρη έκδοση !
Grid Ref UTM
Pinpoint your exact map reference location globally using the Universal Transverse Mercator (UTM) system. Displays UTM grid references, hemisphere, and WGS84 latitude/longitude. Share your location via Twitter. Ideal for outdoor enthusiasts.
- UTM Grid Reference display
- WGS84 Latitude and Longitude
- Hemisphere information
- Location sharing via Twitter
- Accuracy of readings indicator
- International operation with USA UTM Zones guide
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Pinpoint your current map reference location anywhere in the world, using the Universal Transverse Mercator geographic coordinate system. (UTM) App Provides: UTM Grid Ref, Hemisphere, and WGS84 Latitude and Longitude values. The Accuracy of Readings, as indicated by your device, will also be shown. Tweet to Share your Location via Twitter! Grid Ref UTM - Your Grid Reference App! App will operate internationally. App includes a graphical guide to the United States (USA) UTM Zones. Ideally suited for use by walkers, hikers and outdoor sports enthusiasts. It is recommended that you should always carry a map and physical compass when on outdoor pursuits. For best results, use in a flat position, not an upright position. Much like a traditional compass. Use in an open space, where possible, away from trees, buildings and sources of interference. For continued on-screen display of Grid Reference information, please set your Auto-Lock preference in the 'Settings' App. (Settings -> General -> Auto-Lock) Compatible with handsets that feature GPS hardware. You may have to grant the app permission to use this information. -- Ad Supported.
Screenshots
Verdict
The clearest difference is review sentiment: Grid Ref UTM at 74% against Topography Lite's 20%. Grid Ref UTM also leads on iOS requirement (11.0 vs 16.1). Topography Lite's advantage is in-app purchases (none vs 1). On price, update cadence, ads 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
Both are free to download. Grid Ref UTM sells 1 one-off in-app purchase. Topography Lite asks for nothing beyond the download.
Topography Lite ships an update every 7 months, Grid Ref UTM every 10 months. The most recent releases landed on September 22, 2026 and October 7, 2026 respectively.
| Parameter | Topography Lite | Grid Ref UTM |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.6 (183 ratings) — better |
| Positive reviews | 20.0% of reviews | 73.7% of reviews — better |
| Number of ratings | — | 183 — better |
| Update frequency | Every 7 months — better | Every 10 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.1 | 11.0 — better |
| Further details — not scored | ||
| Size | 5 MB | 5 MB |
| Age rating | +4 | 4+ |
| Developer | Georgios Graikousis | Mike Irving |
Customer experience
Topography Lite
Grid Ref UTM
In-app purchases
Topography Lite
No in-app purchases
Grid Ref UTM
- Go Ad Free$0.99
Questions
Is Topography Lite free?
Is Grid Ref UTM free?
Do Topography Lite or Grid Ref UTM have ads?
Which is updated more often, Topography Lite or Grid Ref UTM?
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