Comparison

Universal BMS vs MotorFIX

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

Head to head
About

Universal BMS

Read full description

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

MotorFIX

Diagnose and troubleshoot electric motors for scooters and e-bikes. Identify common faults, test Hall sensors, analyze motor windings, and perform calculations. Unlock professional tools with a one-time purchase.

Highlights
  • Motor fault diagnosis
  • Hall sensor testing
  • Phase and Hall combination analysis
  • Rotor magnet checks
  • Winding tools and diagrams
  • Motor calculation tools
Features
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MotorFIX is a practical diagnostic and workshop tool for electric scooter, e-bike, and light electric vehicle motors. Use MotorFIX to identify common motor faults, verify Hall sensor behavior, analyze phase and Hall combinations, and work with motor winding calculations and diagrams. Main features: • Motor fault diagnosis • Hall sensor testing and reference information • Phase and Hall combination analysis • Rotor magnet checks • Winding tools and diagrams • Turns, Kv, and RPM calculations • Three-phase motor simulation MotorFIX Pro unlocks the complete set of professional tools and combinations with a single purchase. No subscription is required. Designed for technicians, mechanics, and users working with electric scooters, e-bikes, and other light electric mobility systems.

Screenshots

Universal BMS4 screens
MotorFIX4 screens

Verdict

The call

The clearest difference is in-app purchases: Universal BMS at none against MotorFIX's 1. MotorFIX's advantage is ads (none vs shown) and update cadence (daily vs every 5 weeks). On price, 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. MotorFIX sells 1 one-off in-app purchase. Universal BMS asks for nothing beyond the download.

UpkeepUpdate frequency

Universal BMS ships an update every 5 weeks, MotorFIX daily. The most recent releases landed on October 17, 2026 and October 7, 2026 respectively.

Scorecard3 real differences · 7 level
Universal BMS versus MotorFIX: the parameters behind the verdict, then further details
ParameterUniversal BMSMotorFIX
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 5 weeksDaily — better
AdsYesNo — better
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad — betteriPhone
Requires iOS16.416.0 — better
Further details — not scored
Size47 MB5 MB
Age rating4+4+
DeveloperTW BİLİŞİM MÜHENDİSLİK DANIŞMANLIK SANAYİ VE TİCARET LİMİTED ŞİRKETİWILLIAM RAMON PADRON

In-app purchases

None

Universal BMS

No in-app purchases

1 purchases

MotorFIX

One-time1
  • MotorFIX Pro$6.99

Questions

Is Universal BMS free?
Universal BMS is free to download, with no in-app purchases.
Is MotorFIX free?
MotorFIX is free to download, with in-app purchases available.
Do Universal BMS or MotorFIX have ads?
Universal BMS shows ads; MotorFIX does not.
Which is updated more often, Universal BMS or MotorFIX?
Universal BMS ships an update every 5 weeks, and MotorFIX daily. Most recently, Universal BMS was updated on October 17, 2026 and MotorFIX on October 7, 2026.

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