# GNSS Log App vs Syrma

The clearest difference is ratings volume: GNSS Log App at 16 against Syrma's 1. Syrma's advantage is update cadence (every 3 weeks vs every 2 months) and iOS requirement (16.6 vs 18.0). On price, rating, review sentiment 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 Syrma. That said, the two scores are not equally well evidenced: GNSS Log App has 16 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

GNSS Log App ships an update every 2 months, Syrma every 3 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | GNSS Log App | Syrma |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (16 ratings)](https://appshunter.io/ios/app/gnss-log-app/id1554968869/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/syrma/id6742725719/reviews)** |
| Number of ratings | **16** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 204 MB | 51 MB |
| Requires iOS | 18.0 | **16.6** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [John May](https://appshunter.io/developer/1554968871) | [Mohammed Alshaikh](https://appshunter.io/developer/1799601775) |

## 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


### Syrma

[App page](https://appshunter.io/ios/app/syrma/id6742725719)

Effortlessly save, organize, and share your favorite locations with friends and family. Generate beautiful QR codes and shareable links for instant access, with optional cloud sync and multi-language support.

**Highlights:** Save unlimited addresses, Add photos and notes to locations, Organize with custom categories, Generate QR codes for sharing, Create shareable links, One-tap navigation integration, Optional cloud sync

**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 Syrma free?

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

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

Syrma is rated higher. GNSS Log App averages 4.9 out of 5 from 16 ratings, while Syrma averages 5.0 from 1 ratings.

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

Neither GNSS Log App nor Syrma shows ads.

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

GNSS Log App ships an update every 2 months, and Syrma every 3 weeks. Most recently, GNSS Log App was updated on October 24, 2026 and Syrma on October 24, 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.*