Xiaoxiang BMS vs Register 2
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
Register 2
Manage and sell activities, waivers, and merchandise with this next-generation registration platform. Streamline your operations and enhance customer engagement.
- Activity sales and management
- Waiver management
- Merchandise sales
- Next-generation platform
- Streamlined operations
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Sell and manage your activities, waivers, merchandise, and more in the next generation of Singenuity Register.
Screenshots
Verdict
The clearest difference is rating: Register 2 at 5.0 against Xiaoxiang BMS's 3.6. Register 2 also leads on in-app purchases (none vs 1) and ads (none vs shown). Xiaoxiang BMS's advantage is ratings volume (66 vs 1). On price, update cadence, 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
Both are free to download. Xiaoxiang BMS sells 1 one-off in-app purchase. Register 2 asks for nothing beyond the download.
Register 2 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, Register 2 every 3 weeks. The most recent releases landed on October 15, 2026 and September 30, 2026 respectively.
| Parameter | Xiaoxiang BMS | Register 2 |
|---|---|---|
| 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 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, Mac |
| Requires iOS | 16.0 | 16.0 |
| Further details — not scored | ||
| Size | 10 MB | 87 MB |
| Age rating | 4+ | 4+ |
| Developer | e77code GmbH | Singenuity, LLC |
Customer experience
Xiaoxiang BMS
Register 2
In-app purchases
Xiaoxiang BMS
- Pro Version$7.99
Register 2
No in-app purchases
Questions
Is Xiaoxiang BMS free?
Is Register 2 free?
Which has better reviews, Xiaoxiang BMS or Register 2?
Do Xiaoxiang BMS or Register 2 have ads?
Which is updated more often, Xiaoxiang BMS or Register 2?
Other comparisons
