BATT SYNC vs AllSensor
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
BATT SYNC
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BATT SYNC is a wireless battery & electrical system tester controlled by our applications. It also comes with an automatic battery monitor and saves the results into the built-in calendar. Furthermore, BATT SYNC supports our cloud data management service as well. Features: 1. Battery Monitor Real-time battery monitoring and sends out notification automatically. 2. Battery, Cranking, & Charging system tester 12V battery / 12V START-STOP battery test / 12V & 24V cranking/charging system test / 3. Start/Stop Battery Test Available Performs accurate test for Start/Stop batteries. 4. Graphical User Interface The interactive interface makes the operation easier and provides the test results clearly. 5. Vehicle & Battery Info Available Supports VIN & Battery S/N scan 6. Customer & Shop Info Available Capable of editing & saving customer & shop info. 7. Calendar Easily identifies which and when that the test has been performed from the calendar. 8. Remote Control via Applications All the test procedures are remotely controlled by the iOS application. 9. Share Test Results Capability Test results could be share via communication applications or email 10. Cloud Data Management Capability Supports our cloud data management service 11. Field Upgrade Upgrades the tester via our applications. 12. Name the Tester Able to name different testers to easily identify multiple testers. 13. Group Test Capability Able to perform group/batch battery test.
AllSensor
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Application features: - Multiple Bluetooth sensors, such as illumination, temperature and humidity, noise, etc., can be automatically connected at the same time - Includes maximum minimum display mode - Includes line chart view - Includes view of the data table - Data can be exported in a variety of formats Preconditions for using: - Use the AllSun Bluetooth Sensor Series (EM2221, EM2224, EM2226, EM2228, EM2310, EM2311, EM2312) - IOS 8.3 or an updated version is required to support Bluetooth 4.0 and above devices
Screenshots
Verdict
The clearest difference is update cadence: AllSensor at every 3 months against BATT SYNC's every 6 months. AllSensor also leads on iOS requirement (12.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
BATT SYNC ships an update every 6 months, AllSensor every 3 months. The most recent releases landed on September 21, 2026 and September 19, 2026 respectively.
| Parameter | BATT SYNC | AllSensor |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 months | Every 3 months โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod โ better |
| Requires iOS | 15.6 | 12.0 โ better |
| Further details โ not scored | ||
| Size | 34 MB | 60 MB |
| Age rating | 4+ | 4+ |
| Developer | DHC Specialty Corp. | ZHANGZHOU EASTERN INTELLIGENT METER CO., LTD. |
In-app purchases
BATT SYNC
No in-app purchases
AllSensor
No in-app purchases









