NRG Optimizer vs Smart Battery 24V
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NRG Optimizer
Read full descriptionHide full description
NRG Optimizer is a commercial application designed for Operations professionals looking to improve energy savings through smart control of smart devices like LED lighting, occupancy sensors, daylight sensors, electrical outlets and lighting controls.
Smart Battery 24V
Monitor the voltage of up to four 6V, 12V, or 24V batteries simultaneously. Test startup and charging systems, and accurately record vehicle start and stop times. View all data on your phone via Bluetooth for easy vehicle battery management.
- Monitor 6V, 12V, 24V batteries
- Simultaneous monitoring of four batteries
- Test startup and charging system voltage
- Record vehicle start/stop times
- Bluetooth data display
- Vehicle battery power management
Read full descriptionHide full description
Smart Battery is an application for monitoring 6V, 12V, and 24V batteries. It can simultaneously monitor the voltage of four batteries. It helps users fully understand the battery by testing the startup and charging system voltage. It can accurately record the time when a car starts and stops. All data can be displayed on the phone through Bluetooth. Easy to manage vehicle battery power
Screenshots
Verdict
The clearest difference is update cadence: Smart Battery 24V at every 5 weeks against NRG Optimizer's every 13 months. NRG Optimizer's advantage is iOS requirement (12.0 vs 15.6). 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.
NRG Optimizer ships an update every 13 months, Smart Battery 24V every 5 weeks. The most recent releases landed on October 14, 2026 and September 27, 2026 respectively.
| Parameter | NRG Optimizer | Smart Battery 24V |
|---|---|---|
| Price | Free | Free |
| Rating | — | 2.0 (1 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 13 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPod, Apple Watch — better |
| Requires iOS | 12.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 154 MB | 68 MB |
| Age rating | 4+ | 4+ |
| Developer | T.G.L. Inc. | Shenzhen Leagend Optoelectronics Co., Ltd. |
In-app purchases
NRG Optimizer
No in-app purchases
Smart Battery 24V
No in-app purchases
Questions
Is NRG Optimizer free?
Is Smart Battery 24V free?
Do NRG Optimizer or Smart Battery 24V have ads?
Which is updated more often, NRG Optimizer or Smart Battery 24V?
Other comparisons
