Comparison

Ruud vs Sera Mobile

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Ruud

This app streamlines HVAC installation, service, and support for contractors. It offers Bluetooth connectivity for system setup and troubleshooting, along with access to product information, warranty tracking, and dealer locators.

Highlights
  • Bluetooth setup and troubleshooting
  • System operating parameter monitoring
  • Alarm diagnosis and history
  • Access installation instructions and manuals
  • Track warranty information
  • Locate retailers and distributors
  • Find rebate and financing information
Features
Read full description

We’ve redesigned Ruud for Contractors to offer the industry’s most powerful, intuitive, and easy-to-use app. Whether you’re on a residential service call or installing 40 units at a major site, the free Ruud Contractor app’s Bluetooth® capability – paired with an enabled HVAC system -- makes set-up and troubleshooting simpler than ever. With Ruud for Contractors and eligible air systems, you can easily: Install - Set up systems quickly and easily with the new Bluetooth® setup - Monitor operating parameters from your phone while charging outdoor units - Verify system setup with access to system operating status - Quickly check for alarms Service - Diagnose active alarms and alarm history - Check system operating status - Easy step-by-step parts replacement and system setup The Ruud for Contractors app also offers powerful support for all of our air and water products, with a new Product Technical Support design that is easier to use and more accurate than ever: - Access installation instructions - Search parts lists - Download manuals - View tech sheets - Research consumer literature Track Warranty information - Scan and confirm model and ownership details - Check warranty status and share HVAC systems warranty certificate Locate - Look up retailers - Look up distributors Research - Find up-to-date rebate information - Research financing options - Offer extended warranty - Confirm AHRI information and certification for HVAC systems

About

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.

Highlights
  • Real-time job updates
  • Customer information access
  • Quote creation and management
  • Invoice generation
  • Payment collection
  • Appointment scheduling
  • Technician KPI tracking
Features
Read full description

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

Ruud4 screens
Sera Mobile4 screens

Verdict

The call

The clearest difference is rating: Ruud at 4.6 against Sera Mobile's 2.9. Ruud also leads on ratings volume (1.1K vs 15) and review sentiment (50% vs 38%). 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

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

Ruud holds the better App Store score, 4.6 against 2.9. That said, the two scores are not equally well evidenced: Ruud has 1.1K ratings behind it against 15, so its average is the more settled of the two. Written reviews point the same way: 50% of Ruud's written reviews are positive against 38% of Sera Mobile's.

UpkeepUpdate frequency

Ruud ships an update monthly, Sera Mobile fortnightly. The most recent releases landed on October 18, 2026 and October 15, 2026 respectively.

Scorecard3 real differences · 7 level
Ruud versus Sera Mobile: the parameters behind the verdict, then further details
ParameterRuudSera Mobile
PriceFreeFree
Rating4.6 (1.1K ratings) — better2.9 (15 ratings)
Positive reviews50.0% of reviews — better37.5% of reviews
Number of ratings1.1K — better15
Update frequencyMonthlyFortnightly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhoneiPhone, iPad — better
Requires iOS16.0 — better17.6
Further details — not scored
Size112 MB67 MB
Age rating4+4+
DeveloperRheem Manufacturing CompanySera Systems, Inc.

Customer experience

Ruud

All ratings1,060 ratings
Positive90.8%
Neutral2.6%
Negative6.5%
Written reviews8 reviews
Positive50.0%
Neutral12.5%
Negative37.5%

Sera Mobile

All ratings15 ratings
Positive46.7%
Neutral6.7%
Negative46.7%
Written reviews8 reviews
Positive37.5%
Neutral25.0%
Negative37.5%

In-app purchases

None

Ruud

No in-app purchases

None

Sera Mobile

No in-app purchases

Questions

Is Ruud free?
Ruud is free to download, with no in-app purchases.
Is Sera Mobile free?
Sera Mobile is free to download, with no in-app purchases.
Which has better reviews, Ruud or Sera Mobile?
Ruud is rated higher. Ruud averages 4.6 out of 5 from 1.1K ratings, while Sera Mobile averages 2.9 from 15 ratings.
Do Ruud or Sera Mobile have ads?
Neither Ruud nor Sera Mobile shows ads.
Which is updated more often, Ruud or Sera Mobile?
Ruud ships an update monthly, and Sera Mobile fortnightly. Most recently, Ruud was updated on October 18, 2026 and Sera Mobile on October 15, 2026.

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