# iTopography vs Lemco app

The clearest difference is in-app purchases: Lemco app at none against iTopography's 2. Lemco app also leads on update cadence (every 3 weeks vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. iTopography sells 2 one-off in-app purchases. Lemco app asks for nothing beyond the download.

iTopography ships an update every 4 months, Lemco app every 3 weeks. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | iTopography | Lemco app |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 19.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 10 MB | 61 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [i-SmartSolutions](https://appshunter.io/developer/391390898) | [Konstantinos Lempidakis](https://appshunter.io/developer/1637455180) |

## What reviewers say

### iTopography

[App page](https://appshunter.io/ios/app/itopography-area-calculator/id391390895)

Easily calculate the area and perimeter of any surface by mapping its borders. Obtain coordinates from Google Maps, import DXF files, and export your data. Ideal for engineers, topographers, and DIY enthusiasts.

**Highlights:** Polygon area and perimeter calculation, GPS coordinate acquisition (longitude, latitude), DXF file import and export, Project creation and management, Map zoom, pan, and rotation, Manual point addition, On-the-fly sub-region area calculation

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Arrange points on the map | $0.99 | one-time |
| iTopography Height | $0.99 | one-time |


### Lemco app

[App page](https://appshunter.io/ios/app/lemco-app/id1637455178)

**In-app purchases:** none


## Frequently asked questions

### Is iTopography free?

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

### Is Lemco app free?

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

### Do iTopography or Lemco app have ads?

Neither iTopography nor Lemco app shows ads.

### Which is updated more often, iTopography or Lemco app?

iTopography ships an update every 4 months, and Lemco app every 3 weeks. Most recently, iTopography was updated on October 27, 2026 and Lemco app on October 30, 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.*