# Gas-Trak Online (GTO) — EPA Compliant Tracking Tool

> EPA compliant F-Gas refrigerant and cylinder tracking tool for job management and reporting. (iPhone/iPad app by A-Gas Ltd.)

- Source: https://appshunter.io/ios/app/gas-trak-online-gto/id946481086 (this page in markdown: same URL + `.md`)
- Developer: [A-Gas Ltd](https://appshunter.io/developer/946481085)
- Category: Business, Productivity
- Price: Free
- Rating: 4.00/5 from 1 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 10.2 · 138 MB
- Languages: American English, Dutch, French (France), German (Germany)
- Released: 2015-01-02
- Data updated: 2026-06-01
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/gas-trak-online-gto/id946481086/reviews.md

## What is Gas?

With Gas-Trak Online (GTO), managing your F-Gas refrigerant usage, cylinder tracking and job scheduling has never been easier.

Description
Looking for a system to manage your refrigerant and industrial gas cylinders? With Gas-Trak Online (GTO), managing your F-Gas refrigerant usage has never been easier. GTO is the ultimate management tool for tracking cylinders and managing jobs; the mobile app can be used conveniently on the go.

Main Features/Benefits: 
Cylinder Management
- Tracking- efficiently track a fleet of cylinders across multiple engineers to save time and help to control your rental costs, all within GTO. 
- Stock list- keep records of your entire cylinder fleet, rental costs and gas usage seamlessly. 
- Collect and return any suppliers’ cylinders using the Track Cylinders technology.
- Quickly and accurately look up cylinder details from the largest, worldwide refrigerant supplier and wholesaler partner network.
- Rental tracking- allows for easy rotation of cylinder stock for reduced costs.
Information Storage and Job Management
- All the information you need at your fingertips- customer, site and equipment information on GTO to create jobs quickly and efficiently. 
- Create, allocate and complete jobs whilst tracking gas usage by equipment, site and customer. 
- Track gas usage on jobs right down to the equipment it was used on.
- Store information on active and completed jobs for streamlined data validation. 
- GWP Calculator provides fast and accurate CO2 equivalents.

Reporting
- Reduce the time spent and costs occurred in reporting.
- Generate efficient, accurate and compliant F-Gas reports.
- F-Gas Reporting- access and download multiple F-Gas Reports.
- Analyse engineer and customer performance via a personalised reporting dashboard.

Security
- All data is encrypted during transmission to ensure security and peace of mind. 

Flexibility
- Organise installations, service calls, leak testing and follow ups, retrofits and decommissioning jobs directly in the GTO app. 
- Use the GTO app anywhere, it will synchronise offline data with the cloud once back online, enabling you to work in locations with low or no connectivity. 
- Personalise your settings to fit your working environment. 

This app should be used in conjunction with the Gas-Trak Online Portal for the best user experience. Please contact the GTO team for information on creating a GTO account.

## Key features

- Cylinder tracking and stock management
- Job creation, allocation, and completion
- Gas usage tracking by equipment, site, and customer
- F-Gas compliant reporting
- GWP calculator for CO2 equivalents
- Offline data synchronization
- Customer and site information storage

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/gas-trak-online-gto/id946481086/reviews.md

### 2/5 — Scanner

*2017-04-13*

The scan facility within the Bottle Tracker doesn't work.

## Frequently asked questions about Gas

### What is Gas-Trak Online (GTO) used for?

Gas-Trak Online (GTO) is used for managing F-Gas refrigerant usage, tracking industrial gas cylinders, and scheduling jobs. It helps businesses maintain compliance, control costs, and streamline operations.

### How does Gas-Trak Online (GTO) help with cylinder management?

GTO allows efficient tracking of a fleet of cylinders across multiple engineers, maintaining records of rental costs and gas usage. It also facilitates quick lookups of cylinder details from a large supplier network.

### Can I use Gas-Trak Online (GTO) offline?

Yes, GTO offers offline data synchronization. You can work in locations with low or no connectivity, and the app will sync your data with the cloud once you are back online.

### What kind of reports can I generate with Gas-Trak Online (GTO)?

You can generate efficient, accurate, and compliant F-Gas reports. The app also provides a personalized reporting dashboard to analyze engineer and customer performance.

### Is my data secure with Gas-Trak Online (GTO)?

Yes, all data transmitted with Gas-Trak Online (GTO) is encrypted to ensure security and peace of mind for users.

### What devices does Gas-Trak Online (GTO) support?

Gas-Trak Online (GTO) is available on iPhone and iPad devices, supporting iOS.

### How often is Gas-Trak Online (GTO) updated?

The latest version of Gas-Trak Online (GTO) is 6.11.0106.11, and it was last updated on January 12, 2026. Updates typically occur to improve functionality and compliance.

### What is the rating for Gas-Trak Online (GTO)?

Gas-Trak Online (GTO) has a rating of 4.0 stars based on 1 rating available.

## Version history (last 5 releases)

### 6.11.0106.11 — 2026-01-12

Bug fixes.

### 6.10.10.14 — 2024-10-17

Resolved bug accessing Help pages

### 6.10.124.1 — 2024-02-06

App theming options updated.

### 6.9.620.2 — 2023-06-22

Bug fixes.

### 6.9.413.1 — 2023-04-14

Bug Fixes for Reference field.

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## More apps by A-Gas Ltd

- [ARISE 2022](https://appshunter.io/ios/app/arise-2022/id1610793434)
- [A-Gas FSA](https://appshunter.io/ios/app/a-gas-fsa/id1629674614)
- [ARISE 2023](https://appshunter.io/ios/app/arise-2023/id1669506309)

All apps by A-Gas Ltd: https://appshunter.io/developer/946481085

## Related topics

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-01.*