Garmin PowerSwitch™ vs OPTIMA Lithium Bluetooth
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Garmin PowerSwitch™
Wirelessly manage and control up to six 12-volt accessories on your vehicle. This app connects to a digital switch box, allowing you to easily turn devices on and off remotely. Ideal for managing lights, pumps, and other accessories from your smartphone.
- Wireless accessory control
- Manage up to 6 accessories
- Control 12-volt devices
- Connect to digital switch box
- Remote on/off functionality
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The Garmin PowerSwitch app lets you wirelessly control all types of 12-volt accessories on your vehicle. Up to 6 accessories (up to 30 amps each) can be connected to each Garmin PowerSwitch digital switch box.
OPTIMA Lithium Bluetooth
Monitor your battery's real-time status, including charge level, voltage, and temperature. Receive safety alerts and customize battery names for easy identification. Connect wirelessly via Bluetooth for convenient access to all essential battery data.
- Real-time State of Charge (SOC)
- Real-time battery and cell voltages
- Real-time internal battery temperature
- Battery safety alerts
- Customizable battery names
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The OPTIMA LITHIUM BLUETOOTH allows connection to the Battery via Bluetooth. The OPTIMA LITHIUM BLUETOOTH can monitor real-time information such as State of Charge, voltage level, Battery temperature, cell voltages and Battery safety alerts Feature Check real-time State of Charge (SOC) of your battery. Check real-time battery and cell voltages. Check real-time internal battery temperature. Monitor battery safety alerts Ability to customise your battery's names
Screenshots
Verdict
Garmin PowerSwitch™ and OPTIMA Lithium Bluetooth both sit at 3.7 stars, but that hides the real split: 57% of Garmin PowerSwitch™'s written reviews are positive against 0% of OPTIMA Lithium Bluetooth's. Garmin PowerSwitch™ also leads on ratings volume (27 vs 3). On price, rating, update cadence and ads 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.
On the App Store both sit at effectively the same score — 3.7 for Garmin PowerSwitch™ against 3.7 for OPTIMA Lithium Bluetooth. That said, the two scores are not equally well evidenced: Garmin PowerSwitch™ has 27 ratings behind it against 3, so its average is the more settled of the two. Written reviews are what separate them: 57% of Garmin PowerSwitch™'s written reviews are positive against 0% of OPTIMA Lithium Bluetooth's.
Garmin PowerSwitch™ ships an update every 2 months, OPTIMA Lithium Bluetooth every 3 months. The most recent releases landed on September 5, 2026 and June 1, 2026 respectively.
| Parameter | Garmin PowerSwitch™ | OPTIMA Lithium Bluetooth |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (27 ratings) — better | 3.7 (3 ratings) |
| Positive reviews | 57.1% of reviews — better | 0.0% of reviews |
| Number of ratings | 27 — better | 3 |
| Update frequency | Every 2 months — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 15 MB | 42 MB |
| Age rating | 4+ | 17+ |
| Developer | Garmin | Clarios LLC |
Customer experience
Garmin PowerSwitch™
OPTIMA Lithium Bluetooth
In-app purchases
Garmin PowerSwitch™
No in-app purchases
OPTIMA Lithium Bluetooth
No in-app purchases
Questions
Is Garmin PowerSwitch™ free?
Is OPTIMA Lithium Bluetooth free?
Which has better reviews, Garmin PowerSwitch™ or OPTIMA Lithium Bluetooth?
Do Garmin PowerSwitch™ or OPTIMA Lithium Bluetooth have ads?
Which is updated more often, Garmin PowerSwitch™ or OPTIMA Lithium Bluetooth?
Other comparisons
