# iCMTGIS PRO vs RTKapp

The clearest difference is price: RTKapp at Free against iCMTGIS PRO's $299.99. RTKapp also leads on update cadence (every 3 weeks vs every 3 months). iCMTGIS PRO's advantage is chart position (#165 vs unranked) and iOS requirement (15.6 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

RTKapp is free to download; iCMTGIS PRO costs $299.99 up front. Neither carries in-app purchases, so what you see is what you pay.

iCMTGIS PRO ships an update every 3 months, RTKapp every 3 weeks. The most recent releases landed on October 8, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | iCMTGIS PRO | RTKapp |
| --- | --- | --- |
| Price | $299.99 | **Free** |
| Rating | **[4.9 (7 ratings)](https://appshunter.io/ios/app/icmtgis-pro/id1005401426/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Paid | — |
| Best chart rank | **#165** | — |
| Size | 15 MB | 93 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [CORVALLIS MICROTECHNOLOGY, INC.](https://appshunter.io/developer/409254105) | [Juan Carlos Lopez Calvo](https://appshunter.io/developer/1876960144) |

## What reviewers say

### iCMTGIS PRO

[App page](https://appshunter.io/ios/app/icmtgis-pro/id1005401426)

**Currently charting:** #165 Top Paid · Navigation (US App Store)

This professional GPS/GIS mapping and data collection tool enables users to efficiently gather location-based information and perform stakeout tasks. It supports various coordinate systems and allows for custom feature databases, making it ideal for land management, surveying, and other field applications.

**Highlights:** GPS/GIS mapping and data collection, Stakeout functionality, Support for multiple coordinate systems, Customizable feature-attribute database, Import/export of various file formats, Attach photos to data points, Track recording

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

**In-app purchases:** none


### RTKapp

[App page](https://appshunter.io/ios/app/rtkapp/id6759115701)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iCMTGIS PRO free?

iCMTGIS PRO costs $299.99, with no in-app purchases.

### Is RTKapp free?

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

### Do iCMTGIS PRO or RTKapp have ads?

Neither iCMTGIS PRO nor RTKapp shows ads.

### Which is updated more often, iCMTGIS PRO or RTKapp?

iCMTGIS PRO ships an update every 3 months, and RTKapp every 3 weeks. Most recently, iCMTGIS PRO was updated on October 8, 2026 and RTKapp on October 1, 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.*