Comparison

OPEN vs BAT

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

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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.

About

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.

Highlights
  • Wireless Bluetooth connection
  • Track cycle life
  • Display SOC, voltage, current
  • Monitor cell voltage and temperature
  • Connect to multiple batteries
Features
Read full description

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

OPEN4 screens
BAT3 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

OPEN ships an update every 2 months, BAT every 3 weeks. Both last shipped on October 16, 2026.

Scorecard5 real differences · 5 level
OPEN versus BAT: the parameters behind the verdict, then further details
ParameterOPENBAT
PriceFreeFree
Rating2.0 (14 ratings)3.2 (61 ratings) — better
Positive reviews9.1% of reviews24.1% of reviews — better
Number of ratings1461 — better
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS8.1 — better12.0
Further details — not scored
Size44 MB9 MB
Age rating4+4+
DeveloperOPEN·LITShenzhen Grenergy Technology Co.,Ltd.

Customer experience

OPEN

All ratings14 ratings
Positive14.3%
Neutral14.3%
Negative71.4%
Written reviews22 reviews
Positive9.1%
Neutral9.1%
Negative81.8%

BAT

All ratings61 ratings
Positive42.6%
Neutral19.7%
Negative37.7%
Written reviews29 reviews
Positive24.1%
Neutral27.6%
Negative48.3%

In-app purchases

None

OPEN

No in-app purchases

None

BAT

No in-app purchases

Questions

Is OPEN free?
OPEN is free to download, with no in-app purchases.
Is BAT free?
BAT is free to download, with no in-app purchases.
Which has better reviews, OPEN or BAT?
BAT is rated higher. OPEN averages 2.0 out of 5 from 14 ratings, while BAT averages 3.2 from 61 ratings.
Do OPEN or BAT have ads?
Neither OPEN nor BAT shows ads.
Which is updated more often, OPEN or BAT?
OPEN ships an update every 2 months, and BAT every 3 weeks. Most recently, OPEN was updated on October 16, 2026 and BAT on October 16, 2026.

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