Comparison

Xiaoxiang BMS vs OnFocus

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

Head to head
About

Xiaoxiang BMS

Monitor and manage your Bluetooth-enabled battery management systems (BMS) for Li-Ion and LiFePo4 packs. Track cell voltage, capacity, current, and temperature. Switch battery outputs on/off and configure settings remotely.

Highlights
  • Monitor cell voltage, capacity, current, and temperature
  • Switch battery output on/off
  • Calibrate cell voltage and current
  • Configure balancer and BMS capacity
  • Change Bluetooth advertised name
  • Unlock hardware protected BMS (firmware v20+)
  • Set PIN code for BMS access
Features
Read full description

With Xiaoxiang / jiabaida BMS Smart BMS you can build simple Li-Ion or LiFePo4 battery packs. For camping, car, solar or e-bikes. iOS app for Xiaoxiang / jiabaida BMS (JBD-SP15S001 / JBD-SP05S002) allows you to monitor voltage of the cells, total capacity, charging/discharging current and alarms temperatures on your iPhone or Apple Watch. Additionally you can switch the battery (charging and discharging ports) off. Note: I'm not manufacturer of this BMS. If you have questions or want to buy one, contact one of the manufacturers: https://www.lithiumbatterypcb.com/ App Features: - change bluetooth advertised name - for BMS firmware > v20: unlock hardware protected bms - Notifications support on iPhone and Apple Watch - saving / restoring BMS configs - set PIN code for BMS and config access (only iOS) - calibrate cells voltage and charging / discharging current - show basic data on Apple Watch - simple logging of max voltage, current and power - enable and configure Balancer - change BMS capacity setting - switch the battery output on/off - monitor temperature, cell voltages, current, power and temperature - monitor BMS alarms - Supported Languages: English, German, Polish, Chinese, French, Spain For missing features or problems using the app submit an Issue on GitHub: https://github.com/smagicld/xiaoxiangBMS/issues

About

OnFocus

Read full description

OnFocus helps you make distraction expensive again. Instead of opening distracting apps whenever the urge hits, OnFocus gives you a simple loop: complete a short mission, earn a few minutes, and spend that balance only in the apps you chose to make harder to access. When your balance runs out, the wall comes back. How it works Complete a short mission Earn minutes instantly Spend them only in blocked apps Hit zero, and the lock returns automatically OnFocus is built around a visible tradeoff. You always know how many minutes are left, what you can do next, and why the next unlock has been earned. What you’ll find inside A visible time bank for your available minutes Short reward loops with immediate unlocks Movement, reset, and body-based activities Stats and sessions to make progress visible Challenges and ready-made templates to make starting easier OnFocus doesn’t just block distractions. It helps you build a repeatable system: effort first, minutes after. Earn your scroll. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://onfocus.site/privacy

Screenshots

Xiaoxiang BMS4 screens
OnFocus4 screens

Verdict

The call

The clearest difference is ads: OnFocus at none against Xiaoxiang BMS's shown. OnFocus also leads on update cadence (every 5 days vs every 4 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. Xiaoxiang BMS sells 1 one-off in-app purchase and OnFocus sells 4 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Xiaoxiang BMS ships an update every 4 weeks, OnFocus every 5 days. The most recent releases landed on October 15, 2026 and October 9, 2026 respectively.

Scorecard2 real differences · 8 level
Xiaoxiang BMS versus OnFocus: the parameters behind the verdict, then further details
ParameterXiaoxiang BMSOnFocus
PriceFreeFree
Rating3.6 (66 ratings) — better—
Positive reviews54.5% of reviews—
Number of ratings66 — better—
Update frequencyEvery 4 weeksEvery 5 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPod
Requires iOS16.015.6 — better
Further details — not scored
Size10 MB94 MB
Age rating4+12+
Developere77code GmbHLuca Ercolano

In-app purchases

1 purchases

Xiaoxiang BMS

One-time1
  • Pro Version$7.99
4 purchases

OnFocus

Subscriptions4
  • OnFocus Pro (Monthly)$2.991 Month
  • OnFocus Pro (Monthly)$3.991 Month
  • OnFocus Pro (Yearly)$24.991 Year
Show 1 more
  • OnFocus Pro (Yearly)$44.991 Year

Questions

Is Xiaoxiang BMS free?
Xiaoxiang BMS is free to download, with in-app purchases available.
Is OnFocus free?
OnFocus is free to download, with in-app purchases available.
Do Xiaoxiang BMS or OnFocus have ads?
Xiaoxiang BMS shows ads; OnFocus does not.
Which is updated more often, Xiaoxiang BMS or OnFocus?
Xiaoxiang BMS ships an update every 4 weeks, and OnFocus every 5 days. Most recently, Xiaoxiang BMS was updated on October 15, 2026 and OnFocus on October 9, 2026.

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