123SmartBMS vs EJBMS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
123SmartBMS
This app monitors and manages lithium battery packs, ensuring optimal condition and extended lifespan. It tracks cell voltages, temperatures, and currents, while balancing cells during charging. Connect via Bluetooth to view real-time battery status and control charging/discharging.
- Monitors cell voltages and temperatures
- Tracks in- and outgoing currents
- Balances cells during charging
- Bluetooth connectivity for real-time data
- Controls charge/discharge signals
- Extends battery pack lifespan
Read full descriptionHide full description
123\SmartBMS is an easy to use yet advanced, modular BMS to keep your lithium batteries in perfect condition, increasing the lifespan of the battery pack. The system measures important data like cell voltages, cell temperatures and in- and outgoing currents. It also balances all cells to the same voltage during charging. The BMS supervises the whole battery pack and has two signal relays to indicate “allow to charge” and “allow to discharge”. These signal relays can control chargers and inverters with “enable”/”disable” signals or by connecting an energy efficient power relay to the signal relay. An example is the 123\SmartRelay. Easily connect your phone to the BMS using Bluetooth to see relevant information including state of charge, energy consumed, energy stored, in- and outgoing current, cell voltages and temperatures. With 123\SmartBMS, your battery pack is in safe hands.
EJBMS
Read full descriptionHide full description
The Apps main feature is to monitor the details of the E&J Lithium battery. The Phone via Bluetooth connectivity will monitor the following information from the battery. Battery Capacity Battery Voltage Battery Current (Amps) Battery State of Charge (SOC) Battery State of Health (SOH) Battery Status Individual Cell Voltage Battery Temperature Battery Cycles
Screenshots
Verdict
The clearest difference is update cadence: EJBMS at weekly against 123SmartBMS's monthly. EJBMS also leads on iOS requirement (9.0 vs 16.0). 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.
123SmartBMS ships an update monthly, EJBMS weekly. The most recent releases landed on September 20, 2026 and September 8, 2026 respectively.
| Parameter | 123SmartBMS | EJBMS |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (21 ratings) — better | — |
| Positive reviews | 66.7% of reviews | — |
| Number of ratings | 21 — better | — |
| Update frequency | Monthly | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 190 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Albertronic B.V. | E&Jtechnology |
In-app purchases
123SmartBMS
No in-app purchases
EJBMS
No in-app purchases
