Comparison

Sub vs DT Smart Battery

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

Head to head
About

Sub

This app enhances your kitchen experience by guiding you through recipes from websites and a curated collection. It allows remote control and monitoring of Sub-Zero refrigeration, Cove dishwashing, and Wolf appliances, ensuring optimal performance and convenience.

Highlights
  • Guided cooking from online recipes
  • Chef-tested recipes optimized for Wolf appliances
  • Remote dishwasher control and monitoring
  • Refrigerator settings and alerts
  • Filter recipes by cooking mode
  • Bookmark and share recipes
Features
Read full description

Elevate your kitchen experience with the Sub-Zero Group Owner’s App. Connect your Wi-Fi-enabled appliances and enjoy greater control, personalized cooking, and now, integrated wine inventory management. • Build and manage your wine collection • Scan bottles to quickly add wines to your inventory • Track where each bottle is stored across locations • Organize your collection with filters, groups, and tags • View inventory history as wines are enjoyed over time • Enjoy a guided cooking experience with recipes tailored to your appliances • Set timers and view oven status directly from recipe steps • Monitor and control your appliances from anywhere • Receive notifications for appliance status, maintenance, and more The app also gives you powerful control over your Sub-Zero refrigeration and Cove dishwashing appliances. Start your dishwasher remotely, monitor cycles, and manage supplies Wine Inventory transforms a traditionally manual task into a simple, intuitive experience. Manage your collection, understand where your wines are stored, and stay connected to your kitchen in one place. Download now and get more from every Sub-Zero, Wolf, and Cove appliance.

About

DT Smart Battery

Monitor your smart battery pack's performance and status remotely via Bluetooth. View real-time data like voltage, current, temperature, and remaining power. Receive alerts for critical conditions and set custom reminders.

Highlights
  • Real-time battery status monitoring
  • Voltage, current, and temperature readings
  • Remaining power percentage
  • Protection information alerts
  • Individual cell voltage monitoring
  • Customizable power and temperature reminders
Features
Read full description

The smart battery pack has a built-in remote Bluetooth module, and the APP can read the following information by connecting the APP with the mobile phone through Bluetooth: 1. Working status of battery pack: charging point, discharge, working voltage, current, temperature, residual power, etc.; 2. Overvoltage, undervoltage, overcurrent, overtemperature and other protection information; 3. The number of strings of cells, the voltage and release of each cell; 4. Hardware short circuit and delay, equalization opening voltage; 5. Set the threshold of the remaining power and temperature reminder, and receive a reminder below the value of the fixed threshold;

Screenshots

Sub4 screens
DT Smart Battery4 screens

Verdict

The call

The clearest difference is rating: Sub at 4.4 against DT Smart Battery's 1.5. Sub also leads on ratings volume (786 vs 8) and review sentiment (15% vs 0%). DT Smart Battery's advantage is monetization model (free vs ad-supported) and iOS requirement (11.0 vs 15.5). On price, ads, in-app purchases and device support 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

Sub holds the better App Store score, 4.4 against 1.5. That said, the two scores are not equally well evidenced: Sub has 786 ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 15% of Sub's written reviews are positive against 0% of DT Smart Battery's.

UpkeepUpdate frequency

Sub ships an update every 5 weeks, DT Smart Battery every 3 months. The most recent releases landed on October 29, 2026 and November 2, 2026 respectively.

Scorecard6 real differences · 4 level
Sub versus DT Smart Battery: the parameters behind the verdict, then further details
ParameterSubDT Smart Battery
PriceFreeFree
Rating4.4 (786 ratings) — better1.5 (8 ratings)
Positive reviews14.7% of reviews — better0.0% of reviews
Number of ratings786 — better8
Update frequencyEvery 5 weeks — betterEvery 3 months
AdsNoNo
In-app purchasesNoNo
MonetizationAd-supportedFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.511.0 — better
Further details — not scored
Size69 MB28 MB
Age rating4+4+
DeveloperSub-Zero and Wolf应刚 郑

Customer experience

Sub

All ratings778 ratings
Positive85.1%
Neutral3.0%
Negative12.0%
Written reviews177 reviews
Positive14.7%
Neutral8.5%
Negative76.8%

DT Smart Battery

All ratings7 ratings
Positive14.3%
Neutral0.0%
Negative85.7%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Bugs and requests

Sub

Reported bugs

4 issues
  • App crashes after recent updates
  • Unable to log in or register account
  • Appliances disappear from the app
  • Firmware update failures brick appliances

Requested features

3 requests
  • Add support for Celsius temperature units
  • Provide real-time temperature and energy consumption data
  • Integrate with smart home platforms like Apple HomeKit

DT Smart Battery

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Sub

No in-app purchases

None

DT Smart Battery

No in-app purchases

Questions

Is Sub free?
Sub is free to download, with no in-app purchases.
Is DT Smart Battery free?
DT Smart Battery is free to download, with no in-app purchases.
Which has better reviews, Sub or DT Smart Battery?
Sub is rated higher. Sub averages 4.4 out of 5 from 786 ratings, while DT Smart Battery averages 1.5 from 8 ratings.
Do Sub or DT Smart Battery have ads?
Neither Sub nor DT Smart Battery shows ads.
Which is updated more often, Sub or DT Smart Battery?
Sub ships an update every 5 weeks, and DT Smart Battery every 3 months. Most recently, Sub was updated on October 29, 2026 and DT Smart Battery on November 2, 2026.

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