# Topography vs I'm here

The clearest difference is price: I'm here at Free against Topography's $3.99. I'm here also leads on rating (4.0 vs 2.3) and review sentiment (100% vs 59%). Topography's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

I'm here is free to download; Topography costs $3.99 up front. I'm here sells 1 one-off in-app purchase. Topography asks for nothing beyond the download.

I'm here holds the better App Store score, 4.0 against 2.3. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews point the same way: 59% of Topography's written reviews are positive against 100% of I'm here's.

Topography ships an update every 2 months, I'm here monthly. The most recent releases landed on September 23, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Topography | I'm here |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | [2.3 (3 ratings)](https://appshunter.io/ios/app/topography/id622591557/reviews) | **[4.0 (1 ratings)](https://appshunter.io/ios/app/im-here/id1124773280/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 58.6% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 2 MB | 23 MB |
| Requires iOS | **16.1** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Georgios Graikousis](https://appshunter.io/developer/622591560) | [Masashi Sasaoka](https://appshunter.io/developer/1124773279) |

## What reviewers say

### Topography

[App page](https://appshunter.io/ios/app/topography/id622591557)

This tool helps civil engineers, architects, and surveyors measure surface areas and convert coordinates. It allows users to calculate polygon areas, convert coordinates to UTM EGSA87 Datum, and export measurements in DXF, KML, or TXT formats via email.

**Highlights:** Convert coordinates to UTM EGSA87 Datum, Calculate polygon area in square meters, Export measurements in DXF format, Export measurements in KML format, Export measurements in TXT format, Input coordinates manually

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

**In-app purchases:** none


### I'm here

[App page](https://appshunter.io/ios/app/im-here/id1124773280)

This free map application offers easy-to-use navigation from your current location or a specified starting point. Select routes for various transportation methods and utilize automatic navigation with voice announcements, even when other apps are in use or the screen is off. It also includes direct calling to search results and social media posting.

**Highlights:** Route selection by transportation mode, Turn-by-turn navigation with voice, Automatic navigation with background updates, Direct calling from search results, SNS and memo posting, Search history function

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-free | $1.99 | one-time |


## Frequently asked questions

### Is Topography free?

Topography costs $3.99, with no in-app purchases.

### Is I'm here free?

I'm here is free to download, with in-app purchases available.

### Which has better reviews, Topography or I'm here?

I'm here is rated higher. Topography averages 2.3 out of 5 from 3 ratings, while I'm here averages 4.0 from 1 ratings.

### Do Topography or I'm here have ads?

I'm here shows ads; Topography does not.

### Which is updated more often, Topography or I'm here?

Topography ships an update every 2 months, and I'm here monthly. Most recently, Topography was updated on September 23, 2026 and I'm here on September 17, 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.*