# WatchGas NFC Bottle — Tool for gas bottle NFC tags

> Tool for gas bottle NFC tags (iPhone/iPad app by 7 Solutions B.V..)

- Source: https://appshunter.io/ios/app/watchgas-nfc-bottle/id6737022423 (this page in markdown: same URL + `.md`)
- Developer: [7 Solutions B.V.](https://appshunter.io/developer/1736959878)
- Category: Utilities, Developer Tools
- Price: Free
- Age rating: 4+
- Requires: iOS 13.0 · 17 MB
- Languages: American English
- Released: 2024-10-24
- Data updated: 2026-05-20
- User reviews in markdown: https://appshunter.io/ios/app/watchgas-nfc-bottle/id6737022423/reviews.md

## What is WatchGas NFC Bottle?

This app allows you to write a NFC tags compatible with WatchGas Device Link application.
Supports NDEF formatted tags as small as 144bytes!
Simply tap NFC tag created with this application in Device Link to add bottle into your list to use for bump test and calibration.


## Version history (last 3 releases)

### 4.0.3 — 2025-01-29

You can now select predefined standart bottle types to fill in volume/pressure
Custom is still pressure/volume is still allowed
Changed icon
Fixed bug when deleting gas concentration
Dark them added

### 4.0.1 — 2024-10-25

Changed app icon

### 4.0.0 — 2024-10-24

No release notes.

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## More apps by 7 Solutions B.V.

- [WatchGas](https://appshunter.io/ios/app/watchgas/id6479701347)
- [WatchGas SST4](https://appshunter.io/ios/app/watchgas-sst4/id6502400293)
- [WatchGas Tubes](https://appshunter.io/ios/app/watchgas-tubes/id6741203694)

All apps by 7 Solutions B.V.: https://appshunter.io/developer/1736959878

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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 2026-05-20.*