Comparison

Rinnai Central vs EC Tool Pro

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

Head to head
About

Rinnai Central

This app connects Rinnai tankless water heater owners to their devices for temperature control and scheduling. Professional installers can use it to register appliances, perform service, access documentation, and order parts.

Highlights
  • Adjust water temperature
  • Schedule hot water
  • Activate recirculation
  • Register appliances
  • Perform remote service
  • Access documentation
  • Order replacement parts
Features
Read full description

Rinnai Central helps professionals support customers and gives homeowners convenient control of compatible Rinnai water heating systems from anywhere. For Rinnai PROs and installers, Rinnai Central makes it easier to register products, set up compatible customer devices, access service tools, and stay connected to Rinnai resources. For Rinnai tankless water heater owners, Rinnai Central provides convenient access to temperature control, recirculation settings, scheduling, system status, and maintenance alerts when supported by the connected product. PROFESSIONALS Use Rinnai Central to: ∙ Set parameters and perform service on compatible Rinnai tankless water heaters and boilers. ∙ Register eligible Rinnai products after installation. ∙ Set up and configure compatible customer Wi-Fi modules. ∙ Access product documentation, troubleshooting tools, training, rebates, news, and service resources. ∙ Find the right Rinnai product for your customer's needs. ∙ Access the Rinnai parts webstore. ∙ Manage your professional account and company relationship. ∙ Participate in eligible Rinnai PRO Tech programs when available. HOMEOWNERS Use Rinnai Central to: ∙ Adjust compatible water heating system temperature settings. ∙ Activate recirculation when supported by the product. ∙ Create daily schedules so hot water is ready when needed. ∙ Set vacation mode to help save energy when hot water is not needed. ∙ View real-time system status and maintenance alerts. ∙ Find experienced Rinnai PROs and installers near you. COMPATIBLE PRODUCTS Rinnai Central supports select Rinnai residential and commercial tankless water heaters and compatible accessories. Some features require a supported Rinnai Wi-Fi module or compatible connected product. Product availability, supported features, and access permissions may vary by model. - BLE setup is not available on all Rinnai products. Some products may require the RWM200 Wi-Fi Module accessory, sold separately. - For safety and product support reasons, some device setup and service permissions may be restricted to Rinnai professionals. Read our Data Use and Privacy Policy, Terms, and other important information in the legal section of our App Store description or at the web addresses below. TERMS OF SERVICE https://www.rinnai.us/terms-of-use PRIVACY POLICY https://www.rinnai.us/privacy-policy

About

EC Tool Pro

This app simplifies the configuration of the E-Smart T961 thermostat. It allows users to easily create and edit profiles for guestroom comfort directly from their mobile device.

Highlights
  • Thermostat configuration
  • Profile editing
  • Profile creation
  • Guestroom comfort settings
  • Easy installation support
Read full description

The new E-Smart T961 is an advanced thermostat that provides guestroom comfort. Installation is a breeze with the included E-Smart configuration tool. The EC Tool Pro App provides you an easy and convenient way for configuring the thermostat. Directly configure the E-Smart thermostat T961 by editing a profile or creating other profiles through the app.

Screenshots

Rinnai Central4 screens
EC Tool Pro4 screens

Verdict

The call

The clearest difference is review sentiment: EC Tool Pro at 100% against Rinnai Central's 9%. EC Tool Pro also leads on rating (5.0 vs 1.6). Rinnai Central's advantage is ratings volume (396 vs 1) and update cadence (monthly vs every 3 months). On price, ads, in-app purchases and monetization model 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

EC Tool Pro holds the better App Store score, 5.0 against 1.6. That said, the two scores are not equally well evidenced: Rinnai Central has 396 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 9% of Rinnai Central's written reviews are positive against 100% of EC Tool Pro's.

UpkeepUpdate frequency

Rinnai Central ships an update monthly, EC Tool Pro every 3 months. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

Scorecard4 real differences · 6 level
Rinnai Central versus EC Tool Pro: the parameters behind the verdict, then further details
ParameterRinnai CentralEC Tool Pro
PriceFreeFree
Rating1.6 (396 ratings)5.0 (1 ratings) — better
Positive reviews9.0% of reviews100.0% of reviews — better
Number of ratings396 — better1
Update frequencyMonthly — betterEvery 3 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.4.1 — better15.6
Further details — not scored
Size79 MB25 MB
Age rating4+4+
DeveloperRinnai America CorpVTech Telecommunications Limited

Customer experience

Rinnai Central

All ratings341 ratings
Positive12.6%
Neutral3.5%
Negative83.9%
Written reviews223 reviews
Positive9.0%
Neutral4.5%
Negative86.5%

EC Tool Pro

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Rinnai Central

Reported bugs

3 issues
  • Control failed is still happening in latest version
  • Login screen freezes
  • Incompatible with older devices

Requested features

3 requests
  • Add device through Bluetooth missing
  • Dark mode option
  • Advanced analytics dashboard

EC Tool Pro

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Rinnai Central

No in-app purchases

None

EC Tool Pro

No in-app purchases

Questions

Is Rinnai Central free?
Rinnai Central is free to download, with no in-app purchases.
Is EC Tool Pro free?
EC Tool Pro is free to download, with no in-app purchases.
Which has better reviews, Rinnai Central or EC Tool Pro?
EC Tool Pro is rated higher. Rinnai Central averages 1.6 out of 5 from 396 ratings, while EC Tool Pro averages 5.0 from 1 ratings.
Do Rinnai Central or EC Tool Pro have ads?
Neither Rinnai Central nor EC Tool Pro shows ads.
Which is updated more often, Rinnai Central or EC Tool Pro?
Rinnai Central ships an update monthly, and EC Tool Pro every 3 months. Most recently, Rinnai Central was updated on October 27, 2026 and EC Tool Pro on October 30, 2026.

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