Legacy View vs Sub
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Legacy View
Monitor and control your Chandler Systems water treatment system with ease. View system settings, track water usage, and initiate cycles remotely. Connect to multiple valves from a single device and update valve firmware.
- View valve settings and status
- Change valve settings remotely
- Monitor water usage
- Initiate regeneration/backwash cycles
- Connect to multiple valves
- Update valve firmware
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Legacy View makes setting up and monitoring your Chandler Systems water treatment system easier than ever! This App covers systems sold under Chandler Systems' three brands (CSI, Clearion and WaterSoft) that use the Legacy View Valve. When used with a Legacy View Valve the user, through the app, can do the following functions: - Conveniently view all valve settings and status. - Easily change valve settings. - View current water usage information. - Graphically view water usage information. - Start a regeneration or backwash cycle from your phone or tablet. - Set / view the servicing water treatment dealer information. - Better understand how your system is working and understand what settings are for. - Connect to all of your valves in your system from one tablet or phone. - Update firmware on Bluetooth LE valves - Manage your connection to your valves. Note: This app is only compatible with Chandler Systems valves that have a revision number greater or equal to “C2.00”. These valves use Bluetooth 4.0+ (a.k.a. Bluetooth LE) to communicate and require smartphones or tablets to also have Bluetooth LE to use the features in this app. All recently manufactured Apple devices are Bluetooth LE compatible. Check your device specifications if you are unsure of it's compatibility. (The firmware revision of the valve can be viewed on the valve display for 2 seconds after the valve is powered up.)
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.
Screenshots
Verdict
The clearest difference is review sentiment: Legacy View at 45% against Sub's 15%. Legacy View also leads on rating (4.7 vs 4.4) and monetization model (free vs ad-supported). On price, update cadence, 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.
Legacy View holds the better App Store score, 4.7 against 4.4. That said, the two scores are not equally well evidenced: Legacy View has 4.4K ratings behind it against 778, so its average is the more settled of the two. Written reviews point the same way: 45% of Legacy View's written reviews are positive against 15% of Sub's.
Legacy View ships an update every 3 weeks, Sub every 5 weeks. The most recent releases landed on September 23, 2026 and September 20, 2026 respectively.
| Parameter | Legacy View | Sub |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (4.4K ratings) — better | 4.4 (778 ratings) |
| Positive reviews | 45.4% of reviews — better | 15.1% of reviews |
| Number of ratings | 4.4K — better | 778 |
| Update frequency | Every 3 weeks — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.5 |
| Further details — not scored | ||
| Size | 31 MB | 69 MB |
| Age rating | 4+ | 4+ |
| Developer | Chandler Systems, Inc. | Sub-Zero and Wolf |
Customer experience
Legacy View
Sub
Bugs and requests
Legacy View
Not enough reviews yet to summarise bugs or 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
In-app purchases
Legacy View
No in-app purchases
Sub
No in-app purchases









