Xiaoxiang BMS vs T2Do
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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
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.
- Task organization by due date
- Time blocking for scheduling
- Calendar event integration
- Detailed task notes and subtasks
- Local notifications and widgets
- iCloud sync
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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
Verdict
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
Both are free to download. Xiaoxiang BMS sells 1 one-off in-app purchase. T2Do asks for nothing beyond the download.
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.
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.
| Parameter | Xiaoxiang BMS | T2Do |
|---|---|---|
| Price | Free | Free |
| Rating | 3.6 (66 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 54.5% of reviews | — |
| Number of ratings | 66 — better | 1 |
| Update frequency | Every 4 weeks | Every 3 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, Apple Watch — better | iPhone, iPad |
| Requires iOS | 16.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 10 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | e77code GmbH | Kadeem Jeffery |
Customer experience
Xiaoxiang BMS
T2Do
In-app purchases
Xiaoxiang BMS
- Pro Version$7.99
T2Do
No in-app purchases









