BT1 Tester vs KUNLU BMS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BT1 Tester
This utility app tests 12V car batteries, providing results on their condition, such as good, bad, or needing replacement. It displays the battery's voltage, volume, and overall health.
- Tests 12V car battery voltage
- Measures battery volume
- Assesses battery health
- Displays test results (good, bad, replace)
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To test 12V car battery's voltage,volume,health,and then show the testing result on good,bad,replace...
KUNLU BMS
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使用蓝牙技术实时监测和设定电池数据
Screenshots
Verdict
The clearest difference is update cadence: KUNLU BMS at weekly against BT1 Tester's every 5 weeks. BT1 Tester's advantage is iOS requirement (7.0 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
BT1 Tester ships an update every 5 weeks, KUNLU BMS weekly. The most recent releases landed on October 13, 2026 and October 14, 2026 respectively.
| Parameter | BT1 Tester | KUNLU BMS |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 5 weeks | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 7.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 7 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | Shenzhen Leagend Optoelectronics Co., Ltd. | Kunlu Electronic Technology (shanghai) Co., Ltd |
In-app purchases
BT1 Tester
No in-app purchases
KUNLU BMS
No in-app purchases









