# Mobile Data Collection vs GNSS Log App

The clearest difference is in-app purchases: GNSS Log App at none against Mobile Data Collection's 1. GNSS Log App also leads on review sentiment (100% vs 80%). Mobile Data Collection's advantage is iOS requirement (16.0 vs 18.0). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Mobile Data Collection sells 1 in-app purchase, starting at $39.99 per month. GNSS Log App asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for Mobile Data Collection against 4.9 for GNSS Log App. Both are backed by a comparable volume of ratings — 41 and 16 respectively. Written reviews are what separate them: 80% of Mobile Data Collection's written reviews are positive against 100% of GNSS Log App's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 9, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Mobile Data Collection | GNSS Log App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (41 ratings)](https://appshunter.io/ios/app/mobile-data-collection/id640535923/reviews) | **[4.9 (16 ratings)](https://appshunter.io/ios/app/gnss-log-app/id1554968869/reviews)** |
| Number of ratings | **41** | 16 |
| Positive reviews | 80.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 24 MB | 204 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [GIS Cloud Inc.](https://appshunter.io/developer/640535926) | [John May](https://appshunter.io/developer/1554968871) |

## What reviewers say

### Mobile Data Collection

[App page](https://appshunter.io/ios/app/mobile-data-collection/id640535923)

This app allows users to collect and update field data in real-time using custom digital forms on mobile devices. It supports offline data capture, various field types including media and signatures, and integrates with a web platform for data analysis and collaboration.

**Highlights:** Custom form builder, Offline data capture, Real-time synchronization, Media-rich data collection, Electronic signatures, Data analysis and export

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 month subscription | $39.99 | per month |


### GNSS Log App

[App page](https://appshunter.io/ios/app/gnss-log-app/id1554968869)

This app provides a digital solution for surveyors and geodesists to document static GNSS observations. It offers comprehensive equipment management, direct integration with geodetic databases, and tools for field data collection, all while ensuring professional, publication-ready PDF output.

**Highlights:** Digital static GNSS observation logging, Comprehensive equipment library management, Direct NGS database integration, OPUS solution import and integration, Field tools: timers, weather, photos, visibility diagrams, Publication-ready PDF export, Privacy-focused, no account required

**In-app purchases:** none


## Frequently asked questions

### Is Mobile Data Collection free?

Mobile Data Collection is free to download, with in-app purchases available.

### Is GNSS Log App free?

GNSS Log App is free to download, with no in-app purchases.

### Which has better reviews, Mobile Data Collection or GNSS Log App?

GNSS Log App is rated higher. Mobile Data Collection averages 4.8 out of 5 from 41 ratings, while GNSS Log App averages 4.9 from 16 ratings.

### Do Mobile Data Collection or GNSS Log App have ads?

Neither Mobile Data Collection nor GNSS Log App shows ads.

### Which is updated more often, Mobile Data Collection or GNSS Log App?

Mobile Data Collection ships an update every 2 months, and GNSS Log App every 2 months. Most recently, Mobile Data Collection was updated on September 9, 2026 and GNSS Log App on September 26, 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.*