BLE Door 4 vs KA CHARGE
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BLE Door 4
Control residential garage door openers, sliding gate operators, and swing gate motors using your iPhone or iPad. This app leverages Bluetooth 4.0 BLE technology to enable remote opening, closing, and stopping actions.
- Bluetooth 4.0 BLE connectivity
- Control garage door openers
- Operate sliding gate operators
- Manage swing gate motors
- Open, close, and stop actions
- iPhone and iPad compatible
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bluetooth 4.0 BLE Door. Iphone Bluetooth Receiver Usage: Connecting the Bluetooth receiver module with Iphone or Ipad bluetooth protocol, through application to control the residential garage door openers, sliding gate operators and swing gate motors’ openning, closing and stopping action.
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 data—whether you’re 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 review sentiment: BLE Door 4 at 61% against KA CHARGE's 17%. BLE Door 4 also leads on iOS requirement (6.0 vs 15.0). KA CHARGE's advantage is update cadence (every 5 weeks vs every 7 months). On price, ads, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
BLE Door 4 ships an update every 7 months, KA CHARGE every 5 weeks. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.
| Parameter | BLE Door 4 | KA CHARGE |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 61.3% of reviews — better | 16.7% of reviews |
| Number of ratings | 1 — better | — |
| Update frequency | Every 7 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 6.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 3 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | 衍顺 王 | Kickass Products Pvt Ltd |
Customer experience
BLE Door 4
KA CHARGE
In-app purchases
BLE Door 4
No in-app purchases
KA CHARGE
No in-app purchases
