Sub vs Fellow
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
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.
- Create custom brew profiles
- Schedule brews in advance
- Fine-tune brewing variables
- Access guided educational content
- Improve espresso technique
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
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.
| Parameter | Sub | Fellow |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (778 ratings) — better | 2.0 (55 ratings) |
| Positive reviews | 15.1% of reviews — better | 10.1% of reviews |
| Number of ratings | 778 — better | 55 |
| Update frequency | Every 5 weeks | Every 4 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.5 | 15.1 — better |
| Further details — not scored | ||
| Size | 69 MB | 123 MB |
| Age rating | 4+ | 4+ |
| Developer | Sub-Zero and Wolf | Fellow |
Customer experience
Sub
Fellow
User reviews
Sub
From 778 App Store ratingsWhat 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 ratingsWhat 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
Sub
No in-app purchases
Fellow
No in-app purchases









