EWC Controls, LLC vs Sera Mobile
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
EWC Controls, LLC
This app helps EWC contractors determine their zoning system requirements. It features a Bypass Calculator to recommend damper models and sizes, and a Control Panel Finder to suggest compatible control panels. Discover products and features to assist in setting up your zoning system.
- Bypass Damper Calculator
- Control Panel Finder
- Product Discovery
- Zoning System Setup Assistance
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Built for EWC contractors, use our new mobile app to determine your EWC zoning system needs. Use the Bypass Calculator to find out what model and size Bypass Damper you should use with your system based on your input. Use the Control Panel Finder to find out what model Control Panels you can use based on what you need. Discover products and features that will help you decide what parts you need to set up your zoning system!
Sera Mobile
This app connects field service professionals with real-time job updates, customer information, and schedules. It allows users to create quotes, send invoices, and accept payments directly from their mobile device.
- Real-time job updates
- Customer information access
- Quote creation and management
- Invoice generation
- Payment collection
- Appointment scheduling
- Technician KPI tracking
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Sera Mobile keeps field service professionals connected with real-time job updates, customer details, and schedules, all synced directly with dispatchers and managers. Create quotes, send invoices, collect payments, and keep everything moving — all from one simple app. Key Features: - View and manage your scheduled appointments and jobs - Easily access key info related to your customers - Track time data related to appointments, drive times, and more - Create, manage, and present quotes to customers for approval - Automatically generate professional invoices for customer review - Accept multiple types of payment types including credit card, ACH, checks, and more - Schedule follow up appointments and city inspections for customers - View and manage photos and notes - Review and compare key technician KPIs and track yourself against others in the leaderboard - View and manage customer equipment and track equipment service history Who Sera Mobile is for: - Home service professionals, HVAC technicians, electricians, and plumbers - Both small and large companies looking for a fresh perspective on field service management
Screenshots
Verdict
The clearest difference is review sentiment: EWC Controls, LLC at 100% against Sera Mobile's 38%. EWC Controls, LLC also leads on rating (5.0 vs 2.9). Sera Mobile's advantage is ratings volume (15 vs 5). 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.
EWC Controls, LLC holds the better App Store score, 5.0 against 2.9. Both are backed by a comparable volume of ratings — 5 and 15 respectively. Written reviews point the same way: 100% of EWC Controls, LLC's written reviews are positive against 38% of Sera Mobile's.
EWC Controls, LLC ships an update every 9 days, Sera Mobile fortnightly. The most recent releases landed on September 14, 2026 and September 10, 2026 respectively.
| Parameter | EWC Controls, LLC | Sera Mobile |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (5 ratings) — better | 2.9 (15 ratings) |
| Positive reviews | 100.0% of reviews — better | 37.5% of reviews |
| Number of ratings | 5 | 15 — better |
| Update frequency | Every 9 days — better | Fortnightly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 16.4 — better | 17.6 |
| Further details — not scored | ||
| Size | 38 MB | 67 MB |
| Age rating | 4+ | 4+ |
| Developer | EWC Controls, Inc. | Sera Systems, Inc. |
Customer experience
EWC Controls, LLC
Sera Mobile
In-app purchases
EWC Controls, LLC
No in-app purchases
Sera Mobile
No in-app purchases
