Comparison

SerialCheck vs Referral Reactor

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

Head to head
About

SerialCheck

Features
Read full description

SerialCheck: HVAC & Water Heater Age + Model Decoder SerialCheck is a streamlined, offline-first tool designed for residential home inspectors, property managers, and service professionals. Quickly determine the age of furnaces, water heaters, and outdoor AC units by decoding manufacturer serial numbers, and extract useful model-number details where supported. Built specifically to replace unreliable web-based lookup resources, SerialCheck works in basements, crawl spaces, attics, and mechanical rooms where cell signals fail. No account required, no ads, and no report-writing clutter — just fast field information you can copy into your inspection report. KEY FEATURES: FAST AGE DECODING Translate complex manufacturer serial numbers into manufacture dates. MODEL NUMBER FIND SPECS For supported brands, decode useful model-number details such as equipment type, nominal capacity, efficiency class, product tier, voltage, refrigerant, fuel type, water heater capacity, and tankless/tank format. 100% OFFLINE DECODING Core decoding data is stored locally on your device. No internet connection is required for normal decoding. GUIDED ENTRY Select the appliance type, choose the brand, and enter the model and serial information. COPY & SHARE Copy decoded results for easy use in inspection reports, service notes, and property records. PRIVACY-MINDED No required login, no ads, and no selling user data. SUPPORTED APPLIANCES & COVERAGE: WATER HEATERS Age decoding for major water heater brands including Rheem, Bradford White, AO Smith, Richmond, State, Kenmore, Whirlpool, American Water Heater, Reliance, Ruud, Mainstream, Navien, Rinnai, and many others. Water heater model-number Find Specs is available for supported brands such as Bradford White and Rheem. FURNACES Age decoding for major furnace brands including Carrier, Bryant, Payne, Lennox, Armstrong, Goodman, Amana, Trane, American Standard, York, Coleman, Heil, Tempstar, and more. OUTDOOR AC UNITS & HEAT PUMPS Age decoding for major outdoor HVAC brands including Goodman, Lennox, Rheem, Trane, Carrier, York, Bryant, Ruud, American Standard, and other major manufacturers. Outdoor HVAC model-number Find Specs is available for supported brands including Carrier, Goodman, Lennox, and Trane. IDEAL FOR: HOME INSPECTORS Get manufacture dates and useful equipment details for professional reports. PROPERTY MANAGERS Track appliance and HVAC equipment age across a portfolio. SERVICE PROFESSIONALS Identify unit age and basic equipment specs to support repair-or-replace conversations. Stop relying on slow, outdated websites. SerialCheck gives you fast, field-ready appliance and HVAC decoding so you can get the information you need and move on. NOTES: SerialCheck focuses on manufacturer serial-number age decoding and selected model-number specification decoding. Supported model-number details vary by brand and appliance type. Results should be verified against the equipment rating plate when needed. Bosch and Nortek-family products are currently not supported. Privacy Here is what we collect and why: App performance data: device type, OS version, app version, and coarse location derived from public IP address. This helps us understand where the app is being used, which devices are in use, and which app versions are active. This data is retained for up to 90 days on servers we control. Google Firebase Analytics: anonymized usage data, including screen views, used to understand which features are used and how often. Support contact information: if you contact support, you may provide your name and email address so we can reply. We do not use support emails for tracking. Support emails are deleted when no longer needed, or within 2 years. Safety We use analytics and operational data to detect abuse, scraping, misuse, and other activity that could interfere with the app or our systems.

About

Referral Reactor

Manage your referral program on the go with this app. Submit new leads instantly, track their status, and communicate with your team or partners directly from your mobile device.

Highlights
  • Submit referrals anywhere
  • Real-time notifications
  • In-app messaging
  • Referral management
  • Photo uploads
  • Location tracking
Features
Read full description

Referral Reactor brings the full power of your referral program to your pocket. Whether you're out in the field, at an event, or just away from your computer, our mobile app ensures you never miss an opportunity to submit or manage a referral. Key Features: - **Submit Referrals Anywhere**: Capture new leads instantly with our streamlined submission form. Complete with photo uploads and location tracking. - **Real-Time Notifications**: Stay updated with push notifications for status changes, new messages, and payment confirmations. - **In-App Messaging**: Communicate directly with your team or referring partners without leaving the app. - **Referral Management**: View, filter, and update the status of any referral in your pipeline. Join the wave of professionals who use Referral Reactor to turn their network into their biggest growth channel.

Screenshots

SerialCheck4 screens
Referral Reactor4 screens

Verdict

The call

The clearest difference is in-app purchases: Referral Reactor at none against SerialCheck's 3. SerialCheck's advantage is update cadence (every 3 weeks vs every 3 months) and device support (4 vs 2). On price 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. SerialCheck sells 3 in-app purchases, starting at $0.99 per month. Referral Reactor asks for nothing beyond the download.

UpkeepUpdate frequency

SerialCheck ships an update every 3 weeks, Referral Reactor every 3 months. The most recent releases landed on October 4, 2026 and October 1, 2026 respectively.

Scorecard4 real differences · 6 level
SerialCheck versus Referral Reactor: the parameters behind the verdict, then further details
ParameterSerialCheckReferral Reactor
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 3 weeks — betterEvery 3 months
AdsNoNo
In-app purchasesYesNo — better
Monetization—Free
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad
Requires iOS15.6 — better17.0
Further details — not scored
Size37 MB28 MB
Age rating17+4+
DeveloperNanoHawkInventory Shield LLC

In-app purchases

3 purchases

SerialCheck

Subscriptions2
  • SerialCheck Pro Monthly$0.991 Month
  • SerialCheck Pro Annual$3.991 Year
One-time1
  • SerialCheck Pro Lifetime$19.99
None

Referral Reactor

No in-app purchases

Questions

Is SerialCheck free?
SerialCheck is free to download, with in-app purchases available.
Is Referral Reactor free?
Referral Reactor is free to download, with no in-app purchases.
Do SerialCheck or Referral Reactor have ads?
Neither SerialCheck nor Referral Reactor shows ads.
Which is updated more often, SerialCheck or Referral Reactor?
SerialCheck ships an update every 3 weeks, and Referral Reactor every 3 months. Most recently, SerialCheck was updated on October 4, 2026 and Referral Reactor on October 1, 2026.

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