Comparison

Flume Water vs CircleKeep

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

Head to head
About

Flume Water

Monitor and manage your home's water usage with real-time data and leak detection. This app helps you understand your consumption, set budgets, and receive alerts to prevent costly water damage.

Highlights
  • Real-time water usage data
  • Leak detection and alerts
  • Water consumption budgeting
  • Household water use analysis
  • Easy self-installation
Features
Read full description

The Flume app connects with a Flume Water Sensor installed on your home’s water meter. Flume enables customers to manage, monitor, and conserve water in their home. Catch Water Leaks and Protect Your Home Surprises are fun, but not when it comes to leaks. Flume alerts you of abnormal (or accidental) water usage to give you peace of mind whether you’re at home or away. Down-to-the-Minute Water Use Data Flume helps you paint a picture of your household’s water use. Dig into the data—down to the one-hundredth of a gallon—and find new ways to reduce your water use. Overflowing with Savings A device that pays for itself. Flume automatically suggests a budget so you can cap your consumption and creates leak notifications to catch costly drips. Simple Self-Installation. No Plumbing Necessary. Set up and install Flume in minutes. Just strap it to your water meter. No pipe cutting. No wiring. No appointments. No plumbers. To purchase a Flume Water Sensor, visit https://flumewater.com

About

CircleKeep

Features
Read full description

Never lose track of the people who matter most. CircleKeep is your personal relationship manager, designed to help you stay connected with friends, family, and colleagues by keeping all their important details in one secure place. Whether it's a colleague's work anniversary, a friend's child's birthday, or your siblings' favorite pet names, CircleKeep ensures you always have the right information at your fingertips. Key Features: ◦ Comprehensive Profiles: Store more than just names and numbers. Track birthdays, anniversaries, partner details, children, pets, and detailed notes. ◦ Smart Organization: Group your contacts into Family, Work, School, or Sports. Pin your most important connections for quick access. ◦ Seamless Import: Import existing contacts from your iPhone with a single tap. ◦ Data Portability: Securely back up your data to a JSON file and restore it on any device. ◦ Modern Experience: A clean, intuitive interface with full support for Light and Dark modes. Stay thoughtful. Stay connected. Keep your circle close with CircleKeep.

Screenshots

Flume Water4 screens
CircleKeep4 screens

Verdict

The call

The clearest difference is in-app purchases: CircleKeep at none against Flume Water's 2. CircleKeep also leads on update cadence (weekly vs every 6 weeks). Flume Water's advantage is ads (none vs shown) and device support (3 vs 1). On price 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. Flume Water sells 2 in-app purchases, starting at $49.99 per year. CircleKeep asks for nothing beyond the download.

UpkeepUpdate frequency

Flume Water ships an update every 6 weeks, CircleKeep weekly. The most recent releases landed on November 2, 2026 and October 24, 2026 respectively.

Scorecard5 real differences · 5 level
Flume Water versus CircleKeep: the parameters behind the verdict, then further details
ParameterFlume WaterCircleKeep
PriceFreeFree
Rating4.7 (1.7K ratings) — better—
Positive reviews58.6% of reviews—
Number of ratings1.7K — better—
Update frequencyEvery 6 weeksWeekly — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better18.2
Further details — not scored
Size56 MB46 MB
Age rating4+4+
DeveloperFlume, Inc.Umesh Maurya

Bugs and requests

Flume Water

Reported bugs

4 issues
  • App freezes and crashes
  • Inaccurate water usage reporting
  • Calibration issues after battery replacement
  • Delayed or missed leak notifications

Requested features

5 requests
  • Landscape mode support for tablets
  • Integration with smart home platforms
  • Customizable notification settings
  • Ability to manually train the system
  • Enhanced data export and analysis tools

CircleKeep

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

Flume Water

Subscriptions1
  • Flume Insight1 Month trial$49.991 Year
One-time1
  • Flume Insight$49.99
None

CircleKeep

No in-app purchases

Questions

Is Flume Water free?
Flume Water is free to download, with in-app purchases available.
Is CircleKeep free?
CircleKeep is free to download, with no in-app purchases.
Do Flume Water or CircleKeep have ads?
CircleKeep shows ads; Flume Water does not.
Which is updated more often, Flume Water or CircleKeep?
Flume Water ships an update every 6 weeks, and CircleKeep weekly. Most recently, Flume Water was updated on November 2, 2026 and CircleKeep on October 24, 2026.

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