# GNSS Log App vs FastXY

The clearest difference is ratings volume: GNSS Log App at 16 against FastXY's 3. FastXY's advantage is iOS requirement (15.5 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 — 4.9 for GNSS Log App against 5.0 for FastXY. 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 9, 2026 and July 19, 2026 respectively.

## The numbers

| Metric | GNSS Log App | FastXY |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (16 ratings)](https://appshunter.io/ios/app/gnss-log-app/id1554968869/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/fastxy/id1637519441/reviews)** |
| Number of ratings | **16** | 3 |
| 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 | 204 MB | 96 MB |
| Requires iOS | 18.0 | **15.5** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [John May](https://appshunter.io/developer/1554968871) | [Discovery Management Group](https://appshunter.io/developer/1349983968) |

## What reviewers say

### 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


### FastXY

[App page](https://appshunter.io/ios/app/fastxy/id1637519441)

This app enables high-accuracy GNSS data collection for professional surveying and GIS applications. It supports various data types, stake-out functions, and offline use, with multiple export options for seamless integration with other software.

**Highlights:** High-accuracy GNSS data collection, Point, line, and polygon data capture, Submeter or centimeter (RTK) accuracy, Stake-out feature, Offline data collection, Multiple export formats (CSV, shp, DXF/DWG), Feature/attribute/value pick lists

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

**In-app purchases:** none


## Frequently asked questions

### Is GNSS Log App free?

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

### Is FastXY free?

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

### Which has better reviews, GNSS Log App or FastXY?

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

### Do GNSS Log App or FastXY have ads?

Neither GNSS Log App nor FastXY shows ads.

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

GNSS Log App ships an update every 2 months, and FastXY every 2 months. Most recently, GNSS Log App was updated on September 9, 2026 and FastXY on July 19, 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.*