OPEN vs BAT
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OPEN
Control smart home and commercial lighting, security, and office devices with this multi-functional app. It supports both Wi-Fi and Bluetooth mesh devices, offering features like dimming, color temperature adjustment, and scene control.
- Wi-Fi and Bluetooth mesh device control
- LAN and remote control
- Dimming, color temperature, RGB, RGBW, RGBCCT control
- Timing and DIY modes
- Group and scene control
- Music and microphone synchronization
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APP introduces: 1. OPEN-LIT is a multi -functional APP control software applied to intelligent home lighting , commercial lighting , intelligent security , smart office etc; It compatible with WIFI and Bluetooth mesh devices; 2. It’s a easy control APP, users install this APP to iOS mobile device first, then via the WIFI function in the mobile device to LAN control or remote control the device, also can via the Bluetooth function in the mobile device to linkage control multiple Bluetooth Mesh devices. 3. This APP can control WIFI gateway, WIFI and Bluetooth lighting devices, curtain, socket, security cameras etc . APP features of lamp device: 1. It can control WIFI devices and Bluetooth Mesh devices; 2. It’s a family of products that work together; 3. It can control Dimming, Color temperature, RGB, RGBW, RGBCCT 5 kinds of devices; 4. Main functions: Timing and DIY mode and Group control and Scene control and Music and Microphone; 5. WIFI device: LAN control or remote control are available. Bluetooth mesh device: Auto transmitting function Linkage control system; 6. 16 million colors and special saturation control interface.
BAT
Monitor your smart Bluetooth lithium batteries wirelessly from your phone. Track key metrics like state of charge, voltage, current, and temperature. Connect to multiple batteries simultaneously and view their data.
- Wireless Bluetooth connection
- Track cycle life
- Display SOC, voltage, current
- Monitor cell voltage and temperature
- Connect to multiple batteries
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This application is only suitable for Smart Bluetooth lithium battery. FEATURES 1. No need for a separate battery monitor. 2. Wirelessly connect to each battery from your phone. 3. Track Cycle Life on each battery. 4. Display SOC, voltage, charge and discharge current, cycle life, cell voltage and temperature. 5. The phone requires bluetooth5.0 with bluetooth low energy functions. 6. Operating distance: less than or equal to 15 meters 7. The APP can connect multiple batteries at a time, and the data of another battery can be viewed by switching between left and right pages. 8. If you want to connect this battery with another mobile phone,pls exit this app program from the first mobile phone.
Screenshots
Verdict
The clearest difference is rating: BAT at 3.2 against OPEN's 2.0. BAT also leads on review sentiment (24% vs 9%) and update cadence (every 3 weeks vs every 2 months). OPEN's advantage is iOS requirement (8.1 vs 12.0). 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.
BAT holds the better App Store score, 3.2 against 2.0. Both are backed by a comparable volume of ratings — 14 and 61 respectively. Written reviews point the same way: 9% of OPEN's written reviews are positive against 24% of BAT's.
OPEN ships an update every 2 months, BAT every 3 weeks. Both last shipped on October 16, 2026.
| Parameter | OPEN | BAT |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (14 ratings) | 3.2 (61 ratings) — better |
| Positive reviews | 9.1% of reviews | 24.1% of reviews — better |
| Number of ratings | 14 | 61 — better |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 8.1 — better | 12.0 |
| Further details — not scored | ||
| Size | 44 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | OPEN·LIT | Shenzhen Grenergy Technology Co.,Ltd. |
Customer experience
OPEN
BAT
In-app purchases
OPEN
No in-app purchases
BAT
No in-app purchases









