Comparison

Sub vs Fellow

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

Fellow

Enhance your coffee brewing experience by connecting your smart coffee maker. Create custom brew profiles, schedule brews, and fine-tune every variable for perfect results. Access educational content to master your espresso craft.

Highlights
  • Create custom brew profiles
  • Schedule brews in advance
  • Fine-tune brewing variables
  • Access guided educational content
  • Improve espresso technique
Read full description

Connect your Fellow Aiden or Espresso Series 1 to unlock the full experience and stay up to date with the latest features. Aiden - Brew exceptional coffee with precision and ease. Create, edit, and share custom brew profiles Schedule brews in advance Fine-tune every variable for perfect results Combining precision, control, and speed, Aiden delivers pour-over quality coffee at the press of a button. Espresso Series 1 - Master your espresso craft. Access guided educational content Learn how to dial in your machine Improve your technique and consistency Profile syncing and Drops for Espresso Series 1 coming soon.

Screenshots

Sub4 screens
Fellow4 screens

Verdict

The call

The clearest difference is rating: Sub at 4.4 against Fellow's 2.0. Sub also leads on ratings volume (778 vs 55). Fellow's advantage is monetization model (free vs ad-supported). On price, review sentiment, update cadence and ads 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 778 ratings behind it against 55, 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 10% of Fellow's.

UpkeepUpdate frequency

Sub ships an update every 5 weeks, Fellow every 4 weeks. The most recent releases landed on September 26, 2026 and September 25, 2026 respectively.

Scorecard3 real differences · 7 level
Sub versus Fellow: the parameters behind the verdict, then further details
ParameterSubFellow
PriceFreeFree
Rating4.4 (778 ratings) — better2.0 (55 ratings)
Positive reviews15.1% of reviews — better10.1% of reviews
Number of ratings778 — better55
Update frequencyEvery 5 weeksEvery 4 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationAd-supportedFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.515.1 — better
Further details — not scored
Size69 MB123 MB
Age rating4+4+
DeveloperSub-Zero and WolfFellow

Customer experience

Sub

All ratings778 ratings
Positive85.1%
Neutral3.0%
Negative12.0%
Written reviews172 reviews
Positive15.1%
Neutral8.7%
Negative76.2%

Fellow

All ratings55 ratings
Positive21.8%
Neutral5.5%
Negative72.7%
Written reviews237 reviews
Positive10.1%
Neutral8.0%
Negative81.9%

User reviews

Sub

From 778 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

Fellow

From 55 App Store ratings

What we love

  • 👍 Seamless app pairing
  • ✅ Firmware updates work well
  • 🔍 Helpful profile management

Room to improve

  • 🐛 Connectivity issues
  • 🤔 Limited app functionality
  • 😕 Usability concerns
  • ⏱️ Frequent sign-outs

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

Fellow

Reported bugs

3 issues
  • App unable to connect to WiFi
  • Bluetooth pairing problems
  • Inconsistent device visibility

Requested features

3 requests
  • Ability to brew by grams of coffee
  • Scheduling and remote start features
  • Custom recipe input and management

In-app purchases

None

Sub

No in-app purchases

None

Fellow

No in-app purchases

Questions

Is Sub free?
Sub is free to download, with no in-app purchases.
Is Fellow free?
Fellow is free to download, with no in-app purchases.
Which has better reviews, Sub or Fellow?
Sub is rated higher. Sub averages 4.4 out of 5 from 778 ratings, while Fellow averages 2.0 from 55 ratings.
Do Sub or Fellow have ads?
Neither Sub nor Fellow shows ads.
Which is updated more often, Sub or Fellow?
Sub ships an update every 5 weeks, and Fellow every 4 weeks. Most recently, Sub was updated on September 26, 2026 and Fellow on September 25, 2026.

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