Comparison

Battery Max vs Xiaoxiang BMS

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

Head to head
About

Battery Max

Monitor your device's battery health and system activity with detailed insights. Get tips to save battery life, track app battery usage, and view system information like memory and storage. Includes a system activity monitor with an in-app purchase.

Highlights
  • Battery health monitoring
  • Full charge notifications
  • System activity monitor
  • App battery usage tracking
  • Memory and storage view
  • Device IP and hardware address
  • Detailed system information
Features
Read full description

Battery Max is a nice battery health application that provides enhanced battery care for your iPhone/iPod battery. Battery Max notifies you when a full charge of the device battery is complete. You can specify battery health percentage, when your battery drains quickly. Now battery max, comes with useful add-ons like a full system activity monitor. The System Activity Monitor features comes with an In-App purchase includes: KEY FEATURES: 1. Battery tips are shown to help save battery life while using the iPhone. 2. Tap battery to see the battery capacity for your favorite apps. 3. Shows the used and free space on your iPhone/iPod/iPad 4. Shows the IP address acquired, and hardware address of your device. 5. Shows the detailed system information, like physical specs, hardware info, and many more. These are the different views on the App. Memory view: Shows the used and free iPhone memory available as used by other apps. This is shown in an excellent speedometer animation view. Double tap home button, and see other apps in use. Close out the other apps, and see the memory being reclaimed in this app, when the speedometer shows the free memory available increase. This has a glow light indicator with BLUE, GREEN, YELLOW and RED colors indicating the severity of memory being used. Double tap the speedometer, to see a 3D bar view of the different break up of the memory used. Like, Free, Wired, Active and Inactive memory of your iOS device. Battery view: This view shows the battery available for discharge, how much time to recharge to make it full, and when it is charged to FULL, displays an indication. It has glow lights on the top panel to let you know, how much battery is available. GREEN, YELLOW and RED indicators on battery available. Tap the battery on the fill, to show the detailed break up of battery availability for 3G talk time, browsing, videos, games etc. Animated battery charging with current flashes inside the battery. Space used view: This is shown as a pie-chart that presents the used and free space available on your iOS device. Info view: Now it shows a lot more device information, like system information, camera information, display, hardware and physical characteristics. It shows whether you device is connected to Wi-Fi or cellular and its IP address. STAY UPDATED - Website - http://sysmon.tektontek.com Twitter - @AppLifeStyle Facebook - facebook.com/tektontek

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

Screenshots

Battery Max4 screens
Xiaoxiang BMS4 screens

Verdict

The call

The clearest difference is ads: Battery Max at none against Xiaoxiang BMS's shown. Battery Max also leads on rating (3.8 vs 3.6) and iOS requirement (12.0 vs 15.0). Xiaoxiang BMS's advantage is update cadence (every 3 weeks vs every 8 months) and ratings volume (67 vs 12). On price, review sentiment, in-app purchases and monetization model 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. Battery Max sells 2 one-off in-app purchases and Xiaoxiang BMS sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Battery Max holds the better App Store score, 3.8 against 3.6. That said, the two scores are not equally well evidenced: Xiaoxiang BMS has 67 ratings behind it against 12, so its average is the more settled of the two. Written reviews split almost evenly too, at 55% and 55% positive.

UpkeepUpdate frequency

Battery Max ships an update every 8 months, Xiaoxiang BMS every 3 weeks. The most recent releases landed on November 1, 2026 and November 11, 2026 respectively.

Scorecard5 real differences · 5 level
Battery Max versus Xiaoxiang BMS: the parameters behind the verdict, then further details
ParameterBattery MaxXiaoxiang BMS
PriceFreeFree
Rating3.8 (12 ratings) — better3.6 (67 ratings)
Positive reviews54.5% of reviews54.9% of reviews — better
Number of ratings1267 — better
Update frequencyEvery 8 monthsEvery 3 weeks — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Apple Watch — better
Requires iOS12.0 — better15.0
Further details — not scored
Size18 MB14 MB
Age rating4+4+
DeveloperTekton Technologies (P) Ltd.e77code GmbH

Customer experience

Battery Max

All ratings12 ratings
Positive66.7%
Neutral8.3%
Negative25.0%
Written reviews33 reviews
Positive54.5%
Neutral9.1%
Negative36.4%

Xiaoxiang BMS

All ratings67 ratings
Positive61.2%
Neutral10.4%
Negative28.4%
Written reviews133 reviews
Positive54.9%
Neutral10.5%
Negative34.6%

In-app purchases

2 purchases

Battery Max

One-time2
  • System Monitor Feature$0.99
  • Real time graphs for System$0.99
1 purchases

Xiaoxiang BMS

One-time1
  • Pro Version$7.99

Questions

Is Battery Max free?
Battery Max is free to download, with in-app purchases available.
Is Xiaoxiang BMS free?
Xiaoxiang BMS is free to download, with in-app purchases available.
Which has better reviews, Battery Max or Xiaoxiang BMS?
Battery Max is rated higher. Battery Max averages 3.8 out of 5 from 12 ratings, while Xiaoxiang BMS averages 3.6 from 67 ratings.
Do Battery Max or Xiaoxiang BMS have ads?
Xiaoxiang BMS shows ads; Battery Max does not.
Which is updated more often, Battery Max or Xiaoxiang BMS?
Battery Max ships an update every 8 months, and Xiaoxiang BMS every 3 weeks. Most recently, Battery Max was updated on November 1, 2026 and Xiaoxiang BMS on November 11, 2026.

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