# GYS - BTW 6V/12V — GYS - BTW 6V/12V

> GYS - BTW 6V/12V (iPhone/iPad app by GYS.)

- Source: https://appshunter.io/ios/app/gys-btw-6v12v/id6444179775 (this page in markdown: same URL + `.md`)
- Developer: [GYS](https://appshunter.io/developer/1387141955)
- Category: Utilities
- Price: Free
- Age rating: 17+
- Requires: iOS 11.0 · 23 MB
- Languages: American English, Croatian, Czech, Dutch, French (France), German (Germany), Italian, Japanese, Korean, Persian and 5 more
- Released: 2022-11-04
- Data updated: 2026-05-14
- User reviews in markdown: https://appshunter.io/ios/app/gys-btw-6v12v/id6444179775/reviews.md

## What is GYS?

GYS - BTW 6V - 12V  For automobile battery, motorcycle battery, such as: CCA test, waveform test, charging test, etc. Supported battery standards:
CCA, DIN, JIS, EN, IEC, SAE, MCA, BCI, CA


## Version history (last 5 releases)

### 1.0.10 — 2026-03-16

- Adding temperature parameters to battery testing enhances accuracy

### 1.0.9 — 2025-07-27

1. Fixed some known bugs;
2. Added support for Czech.

### 1.0.8 — 2025-04-29

- Fix some known bugs.

### 1.0.7 — 2024-11-12

-Fix the issue of multiple content translation errors on the page
-Improve some issues on iPhone 7

### 1.0.6 — 2024-11-07

- Fix individual machine crashes
- Improve detection algorithms、UI experience optimization
- Replace some strings with GYS

## Apps similar to GYS

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [CyLock MFA V2](https://appshunter.io/ios/app/cylock-mfa-v2/id6467008398) | — | Free | Utilities |
| [TC WiFi](https://appshunter.io/ios/app/tc-wifi/id1473358442) | 1.7 (14) | Free | Utilities |
| [Smart Battery Connection](https://appshunter.io/ios/app/smart-battery-connection/id1594552262) | — | Free | Utilities |
| [Kbattery](https://appshunter.io/ios/app/kbattery/id1587655995) | 3.0 (4) | Free | Utilities |
| [Powerful BMS-Personal](https://appshunter.io/ios/app/powerful-bms-personal/id6451402190) | — | Free | Utilities |
| [12 Volt Direct Battery Monitor](https://appshunter.io/ios/app/12-volt-direct-battery-monitor/id1671381192) | — | Free | Utilities |

## More apps by GYS

- [Wireless Battery Monitor](https://appshunter.io/ios/app/wireless-battery-monitor/id1387141956)

All apps by GYS: https://appshunter.io/developer/1387141955

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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 2026-05-14.*