# Topography Lite vs TopoXY

The clearest difference is in-app purchases: Topography Lite at none against TopoXY's 5. Topography Lite also leads on ads (none vs shown). TopoXY's advantage is update cadence (every 2 weeks vs every 7 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. TopoXY sells 5 in-app purchases, starting at $2.99 per 7 days. Topography Lite asks for nothing beyond the download.

Topography Lite ships an update every 7 months, TopoXY every 2 weeks. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Topography Lite | TopoXY |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 5 MB | 47 MB |
| Requires iOS | **16.1** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | +4 | 4+ |
| Developer | [Georgios Graikousis](https://appshunter.io/developer/622591560) | [Darius Cirjan](https://appshunter.io/developer/1827010077) |

## 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


### TopoXY

[App page](https://appshunter.io/ios/app/topoxy-coordinate-converter/id6758582908)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TopoXY Pro Weekly: GIS Tools | $2.99 | per 7 days |
| TopoXY Pro Monthly: GIS Tools | $6.99 | per month |
| TopoXY Pro Yearly: GIS Tools | $19.99 | per year |
| Stereo 70 Lifetime Offer | $27.99 | one-time |
| TopoXY Pro Lifetime: GIS | $39.99 | one-time |


## Frequently asked questions

### Is Topography Lite free?

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

### Is TopoXY free?

TopoXY is free to download, with in-app purchases available.

### Do Topography Lite or TopoXY have ads?

TopoXY shows ads; Topography Lite does not.

### Which is updated more often, Topography Lite or TopoXY?

Topography Lite ships an update every 7 months, and TopoXY every 2 weeks. Most recently, Topography Lite was updated on November 6, 2026 and TopoXY on November 5, 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.*