# FieldMap Pro vs GNSS Log App

The clearest difference is ratings volume: GNSS Log App at 16 against FieldMap Pro's 3. FieldMap Pro's advantage is iOS requirement (12.0 vs 18.0). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for FieldMap Pro against 4.9 for GNSS Log App. That said, the two scores are not equally well evidenced: GNSS Log App has 16 ratings behind it against 3, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 7, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | FieldMap Pro | GNSS Log App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/fieldmap-pro/id885558111/reviews)** | [4.9 (16 ratings)](https://appshunter.io/ios/app/gnss-log-app/id1554968869/reviews) |
| Number of ratings | 3 | **16** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | Free |
| Size | 63 MB | 204 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MapText, Inc.](https://appshunter.io/developer/529308967) | [John May](https://appshunter.io/developer/1554968871) |

## What reviewers say

### FieldMap Pro

[App page](https://appshunter.io/ios/app/fieldmap-pro/id885558111)

This mapping tool allows field technicians to access and utilize GIS maps offline or with unreliable network connections. It supports dynamic labeling, data collection through custom forms, asset searching, and real-time GPS tracking for enhanced situational awareness and efficient field operations.

**Highlights:** Offline GIS map display, Dynamic map labeling, Layer control, Asset search via AR or text, Custom data collection forms, Real-time GPS tracking, Distance and area measurement

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

**In-app purchases:** none


### 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 FieldMap Pro free?

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

### Is GNSS Log App free?

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

### Which has better reviews, FieldMap Pro or GNSS Log App?

FieldMap Pro is rated higher. FieldMap Pro averages 5.0 out of 5 from 3 ratings, while GNSS Log App averages 4.9 from 16 ratings.

### Do FieldMap Pro or GNSS Log App have ads?

Neither FieldMap Pro nor GNSS Log App shows ads.

### Which is updated more often, FieldMap Pro or GNSS Log App?

FieldMap Pro ships an update every 2 months, and GNSS Log App every 2 months. Most recently, FieldMap Pro was updated on September 7, 2026 and GNSS Log App on September 9, 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.*