SUNWIND vs Lifeline Batteries
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SUNWIND
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The app's main function is to monitor the details of the battery. The iPhone via bluetooth and battery connection, check the data of the battery. We can know the status of the battery now, to remind us what to do next. * The Best Utility tool for monitoring your lithium battery! * Some phones (tablet) cannot connect with any BLE. devices since its hardware does not support. BLE,irrelevant to the system version. * Measuring distance: <= 5m. * One mobile phone only can connect with one battery. every time,vice versa. * If you want to connect this battery with another mobile phone,pls exit this program.
Lifeline Batteries
This app monitors your lithium batteries via Bluetooth, displaying real-time voltage, charge status, temperature, and cell balance. It provides alerts for critical conditions and logs warnings to help extend battery life.
- Real-time voltage, current, and power display
- Single cell voltage and alarm status
- Cell balance and voltage difference comparison
- Temperature warning and alarms
- Warning log
- Compatible with all Lifeline Lithium battery models
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Lifeline Lithium Batteries Bluetooth Monitor Features include, Percent State of Charge, Charge and Discharge status, Voltage, Amperage draw, Temperature, and Cell Balance. The Bluetooth app monitors each internal battery cell in real time. The Bluetooth monitor will help to extend the service life of the battery. 1. Real-time voltage, current, power, and other parameter values in the form of dashboard and digital display; 2. Real-time voltage and alarm status of all single cells. If the reported parameter triggers the alarm value or protection value, it will prompt an alarm; 3. Comparison of each data of the cell, the voltage difference. Maximum voltage cell Minimum voltage cell. and cell balance display 4. Cell temperature warning. Over-temperature, short-circuit, over-voltage, under-voltage real-time alarm. 5. Log the warnings that occur at each moment. 6. Compatible with all models of Lifeline Lithium batteries.
Screenshots
Verdict
The clearest difference is update cadence: Lifeline Batteries at every 5 weeks against SUNWIND's every 7 months. SUNWIND's advantage is iOS requirement (8.0 vs 11.0). 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.
SUNWIND ships an update every 7 months, Lifeline Batteries every 5 weeks. The most recent releases landed on September 9, 2026 and June 9, 2026 respectively.
| Parameter | SUNWIND | Lifeline Batteries |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 7 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 8.0 — better | 11.0 |
| Further details — not scored | ||
| Size | 3 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | GYLLING TEKNIKK AS | JDW, Inc. |
In-app purchases
SUNWIND
No in-app purchases
Lifeline Batteries
No in-app purchases









