Projecta BM500 vs KA CHARGE
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Projecta BM500
This kit allows users to monitor their battery systems, displaying key information like current, voltage, state of charge, and remaining time. It is compatible with various battery types and voltages, offering accurate measurements for a comprehensive understanding of battery health.
- Real-time current monitoring up to 500A
- Supports 12V, 24V, or 48V DC battery systems
- Compatible with AGM, GEL, and LFP batteries
- Displays voltage, SOC, and time remaining
- Accurate current (+/- 0.4%) and voltage (+/- 0.3%) measurements
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TBB'battery monitor kit is composed by a battery shunt and a monitor which allow the user to fully understand his/her battery. Here is some quick facts of this kit: 1) Measurement current is up to 500A 2) Is able to work with battery (or battery bank) 12Vdc, 24Vdc or 48Vdc 3) Compatible with AGM, GEL or LFP battery 4) An elegant design monitor to display battery information such as current, voltage, SOC, time remaining etc. 5) The monitor could be installed at any location where with easy access to users 6) Measurement accuracy: Current: +/- 0.4% Voltage: +/- 0.3%
KA CHARGE
This app provides full control and visibility over your dual battery system. Connect via Bluetooth to configure charging profiles, monitor power input, and view live charge status. Receive real-time alerts for seamless power management on the go.
- Configure charging profiles
- Monitor input power
- View live charge current
- Receive system alerts
- Bluetooth connectivity
- Real-time data display
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KA CHARGE brings configuration, monitoring and control of your compatible KickAss power devices into one easy-to-use app. Connect via Bluetooth to set up your devices, adjust settings and view live operating dataβwhether youβre off-grid, at camp or on the road. Compatible KickAss products: 50A AC-DC Battery Charger 25A DC-DC MPPT Charger 40A DC-DC MPPT Charger 60A Dual Channel DC-DC MPPT Charger 2200W Bi-Directional Inverter Charger 3200W Bi-Directional Inverter Charger Key Features: Configure charging profiles to suit your battery and setup Monitor live power, charging current and charging stage Control supported device functions from your phone Receive real-time warnings and system alerts Available settings, controls and monitoring data vary by device. KA CHARGE. Full control from one app.
Screenshots
Verdict
The clearest difference is update cadence: KA CHARGE at every 5 weeks against Projecta BM500's every 7 months. KA CHARGE also leads on review sentiment (17% vs 0%). Projecta BM500's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Projecta BM500 ships an update every 7 months, KA CHARGE every 5 weeks. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.
| Parameter | Projecta BM500 | KA CHARGE |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | 16.7% of reviews β better |
| Update frequency | Every 7 months | Every 5 weeks β better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 β better | 15.0 |
| Further details β not scored | ||
| Size | 24 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | TBB Power Co., Ltd | Kickass Products Pvt Ltd |
Customer experience
Projecta BM500
KA CHARGE
In-app purchases
Projecta BM500
No in-app purchases
KA CHARGE
No in-app purchases
Questions
Is Projecta BM500 free?
Is KA CHARGE free?
Do Projecta BM500 or KA CHARGE have ads?
Which is updated more often, Projecta BM500 or KA CHARGE?
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