Comparison

Sub vs VAULTEK 2.0

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

VAULTEK 2.0

Monitor and manage your smart safe remotely with a redesigned interface. View tamper alerts, safe status, and battery life. Open your safe with a simple swipe and manage compatible accessories.

Highlights
  • Redesigned user interface
  • Tamper information display
  • Safe status monitoring
  • Battery level indicator
  • One-swipe safe opening
  • Smart Key Nano 2.0 management
Read full description

Reimagine the smart safe experience. Introducing Vaultek Bluetooth 2.0. The all new redesigned UI displays detailed tamper information, safe status, battery, and more. Conveniently monitor and manage your safe from the palm of your hand, and open your safe with one simple swipe. Vaultek Bluetooth 2.0 safes are compatible with Smart Key Nano 2.0, featuring a new management tab to view Smart Key settings and battery. Stay informed and in control. This is Defense on Lock. Only compatible with Bluetooth 2.0 Vaultek safes. Not sure if your safe is Bluetooth 2.0? Look for the Bluetooth 2.0 icon mark on the outside of the packaging or on the the safe.

Screenshots

Sub4 screens
VAULTEK 2.04 screens

Verdict

The call

The clearest difference is rating: Sub at 4.4 against VAULTEK 2.0's 2.0. Sub also leads on update cadence (every 5 weeks vs every 5 months) and ratings volume (786 vs 84). VAULTEK 2.0's advantage is monetization model (free vs ad-supported) and iOS requirement (13.0 vs 15.5). On price, review sentiment, ads and in-app purchases 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 2.0. That said, the two scores are not equally well evidenced: Sub has 786 ratings behind it against 84, 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 8% of VAULTEK 2.0's.

UpkeepUpdate frequency

Sub ships an update every 5 weeks, VAULTEK 2.0 every 5 months. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

Scorecard5 real differences · 5 level
Sub versus VAULTEK 2.0: the parameters behind the verdict, then further details
ParameterSubVAULTEK 2.0
PriceFreeFree
Rating4.4 (786 ratings) — better2.0 (84 ratings)
Positive reviews14.7% of reviews — better8.2% of reviews
Number of ratings786 — better84
Update frequencyEvery 5 weeks — betterEvery 5 months
AdsNoNo
In-app purchasesNoNo
MonetizationAd-supportedFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.513.0 — better
Further details — not scored
Size69 MB41 MB
Age rating4+4+
DeveloperSub-Zero and WolfVaultek Safe, Inc.

Customer experience

Sub

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

VAULTEK 2.0

All ratings71 ratings
Positive18.3%
Neutral5.6%
Negative76.1%
Written reviews49 reviews
Positive8.2%
Neutral6.1%
Negative85.7%

User reviews

Sub

From 786 App Store ratings

What we love

  • 🚀 Responsive and intuitive app
  • 👍 Helpful notifications and alerts
  • 🔒 Secure connection to appliances

Room to improve

  • 🐛 Frequent connection issues and disconnects
  • 🔍 Lack of actual temperature monitoring
  • 🤔 Confusing setup and pairing process
  • 🔍 Missing key features like remote start

VAULTEK 2.0

From 84 App Store ratings

What we love

  • 👍 Safe itself is great
  • 👍 Setup was easy
  • 👍 Fingerprint works every time
  • 👍 Clock syncs with app
  • 👍 Adjust volume, brightness, tones

Room to improve

  • 🐛 App won't connect to safe
  • 🐛 Bluetooth connection is frustrating
  • 🐛 App is poorly designed
  • 🐛 App almost never works
  • 🐛 Display settings change randomly

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

VAULTEK 2.0

Reported bugs

16 issues
  • Display constantly changes
  • App won't connect to safe
  • Bluetooth connection issues
  • App crashes
  • Settings change randomly
Show 11 more
  • App not working
  • Connection timeouts
  • No notifications for tampering or opening
  • Bluetooth disables itself
  • App installation stalls
  • Stuck on pattern lock screen
  • Settings reset to default
  • Unlock feature resets
  • Sound resets to on
  • Light timer resets
  • Settings wiped out

Requested features

8 requests
  • Add 24-hour time option
  • Add sleep mode for display settings
  • Combine all apps into one
  • Fix software issues
  • Improve app design
Show 3 more
  • Add option for number combo passcode
  • Secure app with phone's biometrics
  • Add alarm clock functionality

In-app purchases

None

Sub

No in-app purchases

None

VAULTEK 2.0

No in-app purchases

Questions

Is Sub free?
Sub is free to download, with no in-app purchases.
Is VAULTEK 2.0 free?
VAULTEK 2.0 is free to download, with no in-app purchases.
Which has better reviews, Sub or VAULTEK 2.0?
Sub is rated higher. Sub averages 4.4 out of 5 from 786 ratings, while VAULTEK 2.0 averages 2.0 from 84 ratings.
Do Sub or VAULTEK 2.0 have ads?
Neither Sub nor VAULTEK 2.0 shows ads.
Which is updated more often, Sub or VAULTEK 2.0?
Sub ships an update every 5 weeks, and VAULTEK 2.0 every 5 months. Most recently, Sub was updated on October 24, 2026 and VAULTEK 2.0 on October 21, 2026.

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