# BT1 Tester

> Tests 12V car batteries for voltage, volume, and health, displaying results. (iPhone/iPad app by Shenzhen Leagend Optoelectronics Co., Ltd..)

- Source: https://appshunter.io/ios/app/bt1-tester/id1098097935 (this page in markdown: same URL + `.md`)
- Developer: [Shenzhen Leagend Optoelectronics Co., Ltd.](https://appshunter.io/developer/6798210621)
- Category: Utilities
- Price: Free
- Rating: 1.00/5 from 1 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 7.0 · 7 MB
- Languages: American English, Chinese (Simplified, China)
- Released: 2016-04-09
- Data updated: 2026-08-18
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/bt1-tester/id1098097935/reviews.md

## What is BT1 Tester?

To test 12V car battery's voltage,volume,health,and then show the testing result on good,bad,replace...

## Key features

- Tests 12V car battery voltage
- Measures battery volume
- Assesses battery health
- Displays test results (good, bad, replace)

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/bt1-tester/id1098097935/reviews.md

### 1/5 — Absolutly rubish, does nothing. I wonder why is here.

*2020-09-01*

I downloaded the app to check my iPad battery health, it appears to do the test but no results.

## Frequently asked questions about BT1 Tester

### What does BT1 Tester do?

BT1 Tester is a utility app designed to test the voltage, volume, and health of 12V car batteries. It then provides a clear result indicating if the battery is good, bad, or needs to be replaced.

### Is BT1 Tester free to use?

Yes, BT1 Tester is available for free. There are no costs associated with downloading or using its core battery testing functionalities.

### What devices does BT1 Tester support?

BT1 Tester is compatible with iPhone and iPod devices. It is not currently available for Android or other platforms.

### How accurate is BT1 Tester?

The app's accuracy depends on the underlying hardware and the specific testing methodology. User feedback on its accuracy is limited due to only one rating.

### When was BT1 Tester last updated?

The latest version of BT1 Tester, 1.0.2, was released on June 25, 2016. The app has not received updates since then.

### What is the age rating for BT1 Tester?

BT1 Tester has an age rating of 4+, meaning it is suitable for users aged 4 and above. It contains no mature content.

### Does BT1 Tester have ads?

No, BT1 Tester does not contain advertisements. As it is a free application without ads, users can expect an uninterrupted experience.

### What is the user sentiment for BT1 Tester?

Current user sentiment for BT1 Tester is very low, with an average rating of 1.0 stars based on a single review. This suggests a significant dissatisfaction among its users.

## Version history (last 3 releases)

### 1.0.2 — 2016-06-25

This app has been updated by Apple to display the Apple Watch app icon.

update  bluetooth connect

### 1.0.1 — 2016-04-20

1.Add the matching requirement of bluetooth;
2.Add the tips for inputing guide

### 1.0 — 2016-04-09

No release notes.

## Apps similar to BT1 Tester

| App | Rating | Price | Category |
| --- | --- | --- | --- |
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| [SKYRICH Smart Battery Manager](https://appshunter.io/ios/app/skyrich-smart-battery-manager/id6764248017) | — | Free | Utilities |
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| [KUNLU BMS](https://appshunter.io/ios/app/kunlu-bms/id6760737582) | — | Free | Utilities |
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## More apps by Shenzhen Leagend Optoelectronics Co., Ltd.

- [BLUE LIGHT](https://appshunter.io/ios/app/blue-light/id998450290)
- [OBD Pro](https://appshunter.io/ios/app/obd-pro/id1063199690)
- [Leagend Auto battery tester](https://appshunter.io/ios/app/leagend-auto-battery-tester/id1090786879)
- [Battery Monitor BM2](https://appshunter.io/ios/app/battery-monitor-bm2/id1115492033)
- [OBD Plus](https://appshunter.io/ios/app/obd-plus/id1208901144)

All apps by Shenzhen Leagend Optoelectronics Co., Ltd.: https://appshunter.io/developer/6798210621

## Related topics

[mashin battery tester](https://appshunter.io/ios/topics/mashin-battery-tester) · [a-map battery tester](https://appshunter.io/ios/topics/a-map-battery-tester)

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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 2026-08-18.*