# GTViewer vs Servy

The clearest difference is iOS requirement: Servy at 15.6 against GTViewer's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

GTViewer ships an update monthly, Servy fortnightly. Both last shipped on October 24, 2026.

## The numbers

| Metric | GTViewer | Servy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (4 ratings)](https://appshunter.io/ios/app/gtviewer/id905970171/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Free | — |
| Size | 25 MB | 34 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Graphic Technologies, Inc.](https://appshunter.io/developer/460458003) | [P Systems LLC](https://appshunter.io/developer/1742954216) |

## What reviewers say

### GTViewer

[App page](https://appshunter.io/ios/app/gtviewer/id905970171)

This application allows users to download and view geospatial data on Apple devices without an internet connection. It functions similarly to a web-based counterpart but is designed for offline use.

**Highlights:** Offline geospatial data viewing, Downloadable data, Apple device compatibility, Geospatial data visualization

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

**In-app purchases:** none


### Servy

[App page](https://appshunter.io/ios/app/servy-mobile-attendance/id6499559416)

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

**In-app purchases:** none


## Frequently asked questions

### Is GTViewer free?

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

### Is Servy free?

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

### Do GTViewer or Servy have ads?

Neither GTViewer nor Servy shows ads.

### Which is updated more often, GTViewer or Servy?

GTViewer ships an update monthly, and Servy fortnightly. Most recently, GTViewer was updated on October 24, 2026 and Servy 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.*