Comparison

Universal BMS vs BattSec

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Universal BMS

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English BMS App connects to your smart BMS units and smart balancers over Bluetooth and shows your battery status in real time. Fully English interface, clean design. FEATURES • Live monitoring — Total voltage, current, power, state of charge (SOC), and remaining capacity on one screen. • Cell details — Per-cell voltage, highest/lowest cell delta, and balancing status. • Temperature tracking — Sensor temperatures and MOSFET status. • Protection info — View overvoltage, undervoltage, overcurrent, and temperature protection thresholds. • Edit settings — Change protection thresholds from the app. • Logging — Save measurements as CSV and share anytime. • Demo mode — Try the app without a device. No Bluetooth required. • Light and dark theme — Switches automatically by time of day. LANGUAGES The app UI is available in 18 languages: Turkish, Azerbaijani, English, German, Spanish, French, Italian, Polish, Portuguese, Russian, Bulgarian, Serbian, Croatian, Bosnian, Romanian, Albanian, Greek, and Macedonian. In App Store regions without a dedicated store listing language (e.g. Azerbaijan, North Macedonia), you may see the English or Turkish store page — the matching language is still selectable inside the app. SUPPORTED DEVICES The app works over Bluetooth with supported smart BMS units and smart balancers. The compatible device list is updated in the app. WHO IT’S FOR Solar installers, van and boat owners, EV conversion builders, and anyone using LiFePO4 battery packs. ABOUT SUBSCRIPTIONS All features are free. The optional subscription only removes ads; it does not lock any features. PRIVACY Your battery measurements stay on your phone and are not sent to a server. Privacy policy: https://twarge.co/gizlilik-politikasi

About

BattSec

Features
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Предназначено для управления и мониторинга аккумуляторов Bojicheng. Подключение по Bluetooth обеспечивает мониторинг состояния аккумулятора в реальном времени, настройку рабочих параметров и статистический анализ данных. Способствует повышению эффективности эксплуатации и снижению затрат на техническое обслуживание. Комплексное решение — для более интеллектуального и простого послепродажного обслуживания. Сервис без забот!

Screenshots

Universal BMS4 screens
BattSec4 screens

Verdict

The call

The clearest difference is ads: BattSec at none against Universal BMS's shown. BattSec also leads on update cadence (every 5 days vs every 5 weeks). On price, in-app purchases, device support and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Universal BMS ships an update every 5 weeks, BattSec every 5 days. The most recent releases landed on October 17, 2026 and October 21, 2026 respectively.

Scorecard2 real differences · 4 level
Universal BMS versus BattSec: the parameters behind the verdict, then further details
ParameterUniversal BMSBattSec
PriceFreeFree
Update frequencyEvery 5 weeksEvery 5 days — better
AdsYesNo — better
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.4 — better16.6
Further details — not scored
Size47 MB54 MB
Age rating4+17+
DeveloperTW BİLİŞİM MÜHENDİSLİK DANIŞMANLIK SANAYİ VE TİCARET LİMİTED ŞİRKETİ惠州市超力源科技有限公司

In-app purchases

None

Universal BMS

No in-app purchases

None

BattSec

No in-app purchases

Questions

Is Universal BMS free?
Universal BMS is free to download, with no in-app purchases.
Is BattSec free?
BattSec is free to download, with no in-app purchases.
Do Universal BMS or BattSec have ads?
Universal BMS shows ads; BattSec does not.
Which is updated more often, Universal BMS or BattSec?
Universal BMS ships an update every 5 weeks, and BattSec every 5 days. Most recently, Universal BMS was updated on October 17, 2026 and BattSec on October 21, 2026.

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