Comparison

Octoopi Van vs Universal BMS

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

Head to head
About

Octoopi Van

Features
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Octoopi Van app, you can control your caravan right from your fingertips! No need to walk to the Octoopi screen anymore—simply connect to your caravan via a compatible mobile device and stay in charge wherever you are. Comfort and Control, All in One Place Manage your caravan with just a tap: • Monitor your battery status: Keep an eye on your energy levels and avoid unexpected surprises. • Check water tank levels: Easily track the fill levels of your water tanks. • Control lighting, refrigerator, and other devices: Manage all connected devices in your caravan without leaving your seat. The Octoopi Van app takes your caravan experience to a whole new level. Enjoy the comfort, convenience, and power of technology on all your journeys! Octoopi Van: Your Caravan’s Power in Your Pocket!

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

Screenshots

Octoopi Van4 screens
Universal BMS4 screens

Verdict

The call

The clearest difference is ads: Octoopi Van at none against Universal BMS's shown. Universal BMS's advantage is update cadence (every 5 weeks vs every 4 months). 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

Octoopi Van ships an update every 4 months, Universal BMS every 5 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 4 level
Octoopi Van versus Universal BMS: the parameters behind the verdict, then further details
ParameterOctoopi VanUniversal BMS
PriceFreeFree
Update frequencyEvery 4 monthsEvery 5 weeks — better
AdsNo — betterYes
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.1 — better16.4
Further details — not scored
Size34 MB47 MB
Age rating4+4+
DeveloperMertech Elektronik Arge Sanayi Ticaret A.Ş.TW BİLİŞİM MÜHENDİSLİK DANIŞMANLIK SANAYİ VE TİCARET LİMİTED ŞİRKETİ

In-app purchases

None

Octoopi Van

No in-app purchases

None

Universal BMS

No in-app purchases

Questions

Is Octoopi Van free?
Octoopi Van is free to download, with no in-app purchases.
Is Universal BMS free?
Universal BMS is free to download, with no in-app purchases.
Do Octoopi Van or Universal BMS have ads?
Universal BMS shows ads; Octoopi Van does not.
Which is updated more often, Octoopi Van or Universal BMS?
Octoopi Van ships an update every 4 months, and Universal BMS every 5 weeks. Most recently, Octoopi Van was updated on October 30, 2026 and Universal BMS on October 31, 2026.

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