Comparison

Central Boiler Connect vs Flow Alert

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

Head to head
About

Central Boiler Connect

Monitor your outdoor furnace's performance and receive alerts remotely. Access support resources and Wi-Fi setup guides to ensure your furnace is always running efficiently and connected.

Highlights
  • Real-time furnace status monitoring
  • Push notifications for alerts
  • Performance history tracking
  • Water sample status monitoring
  • Access to support resources
  • In-app Wi-Fi setup guide
Features
Read full description

Stay connected to your Central Boiler outdoor furnace—wherever you are. The Central Boiler Connect app makes it easy to monitor your FireStar-equipped internet-connected furnace’s performance, receive important alerts, and access helpful resources from your mobile device. Key Features: ~ Real-Time Status: Check your furnace’s current status, water temperature, and operational performance. ~ Push Notifications: Get alerts from your furnace so you're always informed. ~ Performance History: View historical charts of furnace operations to track trends and optimize efficiency. ~ Water Sample Monitoring: Keep tabs on your water sample status to ensure proper maintenance. ~ Support & Resources: Access the Online Support Center for manuals, how-to guides, and setup articles. ~ Wi-Fi Setup Help: Use the in-app Wi-Fi Setup Guide to connect your furnace to the internet quickly and easily. Whether you're at home or away, the Central Boiler Connect app puts control and peace of mind in the palm of your hand. [:mav: 1.1.1]

About

Flow Alert

Features
Read full description

Flow Alert provides quick access to flow , stage, temperature, and turbidity data made available by the United States Geologic Survey (USGS). Download USGS gauges and add favorites to a separate list. Create nicknames for your favorite gauges. Add a widget on your home screen that shows your selected parameter for your favorite gauges. Currently, widgets update automatically approximately every 15 minutes and show a bell icon if an alert is triggered. Add alerts to notify yourself when your gauge meets your defined criteria. Multiple alerts may be set for each favorite gauge. Manage your alerts for all gauges in one screen. Select a gauge from the list to see an interactive graph of the past 7 days of available data. Data provided by: -United State Geological Survey (USGS) Disclaimer: Flow Alert provides quick access to flow , stage, temperature, and turbidity data made available by the United States Geologic Survey (USGS) via USGS Water Data APIs. All data shown in Flow Alert are downloaded from the USGS Water Data APIs. Flow Alert is not affiliated with, endorsed by, or representative of any government entity including USGS. Flow Alert does not take credit, responsibility, or ownership for any data downloaded from USGS's Water Data API. It is simply a tool that you can use to view the data made available by USGS. Data Source Link: https://api.waterdata.usgs.gov/ If you have feedback, suggestions, or feature requests, please e-mail me at flowalertapp@gmail.com...I'd appreciate it! You may also submit feedback through the in-app feedback page.

Screenshots

Central Boiler Connect3 screens
Flow Alert4 screens

Verdict

The call

The clearest difference is update cadence: Central Boiler Connect at monthly against Flow Alert's every 7 months. On price, ads, in-app purchases and device support 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.

UpkeepUpdate frequency

Central Boiler Connect ships an update monthly, Flow Alert every 7 months. Both last shipped on October 24, 2026.

Scorecard1 real difference · 9 level
Central Boiler Connect versus Flow Alert: the parameters behind the verdict, then further details
ParameterCentral Boiler ConnectFlow Alert
PriceFreeFree
Rating3.3 (6 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings6 — better—
Update frequencyMonthly — betterEvery 7 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size39 MB34 MB
Age rating4+4+
DeveloperCentral Boiler Inc.Shaina Schwartzel

In-app purchases

None

Central Boiler Connect

No in-app purchases

None

Flow Alert

No in-app purchases

Questions

Is Central Boiler Connect free?
Central Boiler Connect is free to download, with no in-app purchases.
Is Flow Alert free?
Flow Alert is free to download, with no in-app purchases.
Do Central Boiler Connect or Flow Alert have ads?
Neither Central Boiler Connect nor Flow Alert shows ads.
Which is updated more often, Central Boiler Connect or Flow Alert?
Central Boiler Connect ships an update monthly, and Flow Alert every 7 months. Most recently, Central Boiler Connect was updated on October 24, 2026 and Flow Alert on October 24, 2026.

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