Comparison

Xiaoxiang BMS vs T2Do

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

T2Do

Organize your day with tasks, time blocks, and reminders. View tasks alongside your existing calendar events and add detailed notes, projects, and subtasks. Stay on track with local notifications and home screen widgets.

Highlights
  • Task organization by due date
  • Time blocking for scheduling
  • Calendar event integration
  • Detailed task notes and subtasks
  • Local notifications and widgets
  • iCloud sync
Features
Read full description

Turn a busy day into a clear plan with T2Do. Keep track of what needs doing, decide when to do it, and see your tasks alongside events from your device calendars. PLAN YOUR DAY Organize tasks into overdue, today, upcoming, and undated sections. Schedule time blocks to make room for the work that matters. SEE YOUR SCHEDULE Use the Calendar tab to see planned tasks and events from the calendars you choose. Optional calendar access works with calendars already configured in Apple Calendar, including iCloud, Google, and Outlook. T2Do displays events without changing them. KEEP THE DETAILS TOGETHER Add notes, projects, tags, flags, subtasks, locations, and phone details to your tasks. Search by title, project, or notes to find what you need. REMEMBER WHAT'S NEXT Set due dates and scheduled blocks, with local notifications to help you stay on track. Add Home Screen widgets for focus, today, and upcoming tasks. SYNC WITH ICLOUD Keep task data in sync across your devices when iCloud is available. You can also use T2Do locally without connecting calendars. No separate T2Do account is required.

Screenshots

Xiaoxiang BMS4 screens
T2Do4 screens

Verdict

The call

The clearest difference is rating: T2Do at 5.0 against Xiaoxiang BMS's 3.6. T2Do also leads on in-app purchases (none vs 1) and ads (none vs shown). Xiaoxiang BMS's advantage is ratings volume (66 vs 1) and iOS requirement (16.0 vs 18.0). On price 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Xiaoxiang BMS sells 1 one-off in-app purchase. T2Do asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

T2Do holds the better App Store score, 5.0 against 3.6. That said, the two scores are not equally well evidenced: Xiaoxiang BMS has 66 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Xiaoxiang BMS ships an update every 4 weeks, T2Do every 3 days. The most recent releases landed on October 15, 2026 and October 14, 2026 respectively.

Scorecard7 real differences · 3 level
Xiaoxiang BMS versus T2Do: the parameters behind the verdict, then further details
ParameterXiaoxiang BMST2Do
PriceFreeFree
Rating3.6 (66 ratings)5.0 (1 ratings) — better
Positive reviews54.5% of reviews—
Number of ratings66 — better1
Update frequencyEvery 4 weeksEvery 3 days — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPad
Requires iOS16.0 — better18.0
Further details — not scored
Size10 MB4 MB
Age rating4+4+
Developere77code GmbHKadeem Jeffery

Customer experience

Xiaoxiang BMS

All ratings66 ratings
Positive60.6%
Neutral10.6%
Negative28.8%
Written reviews132 reviews
Positive54.5%
Neutral10.6%
Negative34.8%

T2Do

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Xiaoxiang BMS

One-time1
  • Pro Version$7.99
None

T2Do

No in-app purchases

Questions

Is Xiaoxiang BMS free?
Xiaoxiang BMS is free to download, with in-app purchases available.
Is T2Do free?
T2Do is free to download, with no in-app purchases.
Which has better reviews, Xiaoxiang BMS or T2Do?
T2Do is rated higher. Xiaoxiang BMS averages 3.6 out of 5 from 66 ratings, while T2Do averages 5.0 from 1 ratings.
Do Xiaoxiang BMS or T2Do have ads?
Xiaoxiang BMS shows ads; T2Do does not.
Which is updated more often, Xiaoxiang BMS or T2Do?
Xiaoxiang BMS ships an update every 4 weeks, and T2Do every 3 days. Most recently, Xiaoxiang BMS was updated on October 15, 2026 and T2Do on October 14, 2026.

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