Multi vs BM12V
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Multi
Monitor multiple 12V vehicle batteries simultaneously with this app. It stores data permanently, allows export and sharing, and provides trip records and expense management. Receive notifications when near your connected devices.
- Monitor multiple 12V vehicle batteries
- Supports 4 device connections
- Permanent data storage
- Data export and sharing
- Trip record tracking
- Vehicle expense management
- Proximity notifications
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Multi-Battery Monitor(BLE) is a vehicle battery management software, which is compatible with last generation product BM2. It can support 4 different devices connection at one time, conveniently manage multi 12V vehicle battery. Data stored permantly and can be exported or shared by email. User can receive notification when get close to device. What's more, it has trip record and vehicle expense management function.
BM12V
Monitor your vehicle's battery in real-time via Bluetooth. Test cranking and charging systems to ensure your battery is in optimal condition. View all data directly on your mobile device.
- Real-time voltage monitoring
- Bluetooth connectivity
- Cranking system testing
- Charging system testing
- Mobile data display
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Battery Monitor BM12V is an application for vehicle battery,which can let them know the real-time voltageof car battery. It helps users to know the battery fully by testing cranking and charging system voltage. All of the datas can be showed on mobile through bluetooth.
Screenshots
Verdict
The clearest difference is price: BM12V at Free against Multi's $9.99. BM12V also leads on update cadence (every 3 weeks vs every 3 months). Multi's advantage is review sentiment (51% vs 17%). On ads, in-app purchases, monetization model 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
BM12V is free to download; Multi costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Multi ships an update every 3 months, BM12V every 3 weeks. The most recent releases landed on November 2, 2026 and November 8, 2026 respectively.
| Parameter | Multi | BM12V |
|---|---|---|
| Price | $9.99 | Free — better |
| Rating | 3.3 (8 ratings) — better | — |
| Positive reviews | 51.3% of reviews — better | 16.7% of reviews |
| Number of ratings | 8 — better | — |
| Update frequency | Every 3 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod, Apple Watch — better | iPhone, iPod |
| Requires iOS | 15.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 16 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | Shenzhen Amoeba New Energy Co., Ltd. | 俊华 邹 |
Customer experience
Multi
BM12V
In-app purchases
Multi
No in-app purchases
BM12V
No in-app purchases
