# Topography Lite vs Grid Ref UTM

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.

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.

## The numbers

| Metric | Topography Lite | Grid Ref UTM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (183 ratings)](https://appshunter.io/ios/app/grid-ref-utm/id962314746/reviews)** |
| Number of ratings | — | **183** |
| Positive reviews | 20.0% of reviews | **73.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 10 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 5 MB | 5 MB |
| Requires iOS | 16.1 | **11.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | +4 | 4+ |
| Developer | [Georgios Graikousis](https://appshunter.io/developer/622591560) | [Mike Irving](https://appshunter.io/developer/393933736) |

## What reviewers say

### Topography Lite

[App page](https://appshunter.io/ios/app/topography-lite/id689662551)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Grid Ref UTM

[App page](https://appshunter.io/ios/app/grid-ref-utm/id962314746)

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.

**Highlights:** 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

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Go Ad Free | $0.99 | one-time |


## Frequently asked questions

### Is Topography Lite free?

Topography Lite is free to download, with no in-app purchases.

### Is Grid Ref UTM free?

Grid Ref UTM is free to download, with in-app purchases available.

### Do Topography Lite or Grid Ref UTM have ads?

Neither Topography Lite nor Grid Ref UTM shows ads.

### Which is updated more often, Topography Lite or Grid Ref UTM?

Topography Lite ships an update every 7 months, and Grid Ref UTM every 10 months. Most recently, Topography Lite was updated on September 22, 2026 and Grid Ref UTM on October 7, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*