# GRNTRX

> GRNTRX (iPhone/iPad app by 鴻太科技股份有限公司.)

- Source: https://appshunter.io/ios/app/grntrx/id6757570093 (this page in markdown: same URL + `.md`)
- Developer: [鴻太科技股份有限公司](https://appshunter.io/developer/1867646758)
- Category: Utilities, Sports
- Price: Free
- Age rating: 4+
- Requires: iOS 16.0 · 60 MB
- Languages: American English
- Released: 2026-04-26
- Data updated: 2026-08-13
- User reviews in markdown: https://appshunter.io/ios/app/grntrx/id6757570093/reviews.md

## What is GRNTRX?

“GRNTRX” is a carbon credit management platform that integrates IoT devices, cycling data, and carbon tracking technology.
After logging in and binding a bicycle or e-bike device, users can start earning verifiable carbon credits simply by riding. The app supports multiple riding modes such as commuting, daily use, exercise, and official duties—turning every ride into meaningful, measurable climate action.

Key Features

Supports bicycles and e-bikes
Bind your device and start tracking instantly.

IoT device + cadence sensor integration
Provides accurate cycling data and carbon reduction measurement.

Multiple riding modes for different scenarios
Commuting, daily riding, fitness, business trips, and more.

Automatic carbon credit calculation
The system processes data monthly and displays “valid distance” based on compliance rules.

Reliable and traceable carbon records
Designed for transparency and compatible with carbon credit verification standards.

How It Works

Log in to your account

Bind your bicycle/e-bike and IoT device

Select a riding mode and start cycling

The system records your mileage and converts it into carbon credits

Monthly processing calculates compliant “valid distance” and carbon results

Build Your Low-Carbon Mobility Journey

With “GRNTRX,” every ride becomes more than a commute—it's a contribution to a greener future.
Accurately track, accumulate, and verify carbon credits suitable for individuals, organizations, and sustainability initiatives.


## Version history (last 2 releases)

### 1.0.4 — 2026-08-07

upgrade to v1.0.4

### 1.0.3 — 2026-04-27

No release notes.

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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 2026-08-13.*