Sub vs EKG Updater
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.
EKG Updater
This application connects your smart kettle to your home Wi-Fi for automatic firmware and feature updates. Ensure your device always has the latest brewing capabilities and performance enhancements.
- Connects to home Wi-Fi
- Automatic firmware updates
- Installs latest brewing features
- Compatible with Stagg EKG Pro models
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Use EKG Updater to get the most out of your Stagg EKG Pro kettle. This app keeps your kettle up-to-date by connecting it to your home wifi. Just connect once and enjoy automatic updates with all our latest firmware and brewing features. Compatible with: * Stagg EKG Pro * Stagg EKG Pro Studio Edition For help, contact hello@fellowproducts.com
Screenshots
Verdict
The clearest difference is rating: Sub at 4.4 against EKG Updater's 1.7. Sub also leads on update cadence (every 5 weeks vs every 4 months) and ratings volume (786 vs 220). EKG Updater's advantage is monetization model (free vs ad-supported). 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
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 1.7. Both are backed by a comparable volume of ratings — 786 and 220 respectively. Written reviews split almost evenly too, at 15% and 14% positive.
Sub ships an update every 5 weeks, EKG Updater every 4 months. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.
| Parameter | Sub | EKG Updater |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (786 ratings) — better | 1.7 (220 ratings) |
| Positive reviews | 14.7% of reviews — better | 14.1% of reviews |
| Number of ratings | 786 — better | 220 |
| Update frequency | Every 5 weeks — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.5 | 15.0 — better |
| Further details — not scored | ||
| Size | 69 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | Sub-Zero and Wolf | Fellow |
Customer experience
Sub
EKG Updater
User reviews
Sub
From 786 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
EKG Updater
From 220 App Store ratingsWhat we love
- 👍 Easy firmware updates
- 🚀 Firmware updates work as expected
- 🚀 App does what it claims to do
Room to improve
- 🐛 Firmware updates fail to complete
- 🐛 App doesn't detect or connect to kettle
- 🐛 App provides no useful functionality beyond updates
- 🐛 Buggy and unreliable app experience
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
EKG Updater
Reported bugs
3 issues- Firmware update process gets stuck
- App fails to detect or connect to kettle
- App crashes or provides no feedback during updates
Requested features
3 requests- Remote kettle control (turn on/off, set temperature)
- Scheduling and timer functionality
- Improved app design and user experience
In-app purchases
Sub
No in-app purchases
EKG Updater
No in-app purchases
