Comparison

Cloud Water vs WhoseUp

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

Head to head
About

Cloud Water

This app monitors your water filtration system, providing real-time quality data and tracking your consumption. It alerts you to local toxins and violations, ensuring your filtered water is clean, healthy, and alkaline.

Highlights
  • Real-time water quality monitoring
  • Track water consumption trends
  • Local toxin and violation notifications
  • Usage-based filter replacement alerts
  • Remineralization and alkalinity tracking
Features
Read full description

Say hello to Cloud, the smartest water filter in the world. Cloud turns tap water into better-tasting, better-for-you hydration. Our system removes 99% of toxins including fluoride, PFAs, micro-plastics, and heavy metals. Essential minerals are added back in, leaving your water clean, healthy, and alkaline. The Cloud app experience lets you keep tabs on your drinking water and includes: Realtime Quality Monitoring The Cloud app provides visibility into every stage of filtration. Monitor tap water quality entering the system and see how it changes as the filter works to purify and remineralize. Water Consumption Trends Track how many gallons you consume each month. Household water goals will help you create healthy drinking water habits. Local Toxin and Violation Notifications Check local toxins in your area and get notified when a water quality violation occurs. Rest assured that your Cloud filter removes 99% of toxins reported. Usage-based Filter Replacements Replacement filters are only shipped when you need one. Filter replacements are based on real consumption and toxin data, not some arbitrary timeline.

About

WhoseUp

Effortlessly track who's next to pay for group expenses like coffee, lunches, or dinners. Create custom circles for different groups, log payments, and let the app automatically manage fair turn rotations. View payment history and confirm transactions for accountability.

Highlights
  • Fair turn tracking
  • Unlimited group circles
  • Payment statistics and history
  • Payment confirmation
  • Customizable group banners
  • Data export to CSV
  • Dark mode support
Features
Read full description

WHO PAID LAST? WhoseUp remembers so you don’t have to. Track who paid last and instantly see whose turn is next — perfect for couples, roommates, friends, coworkers, and recurring coffee or lunch groups. No debt calculations. No spreadsheets. No complicated expense ledger. Just a simple answer to one question: Who’s up next? KEY FEATURES • See Who’s Next Know instantly whose turn it is to pay. • Remember Who Paid Last Keep a clear history of previous turns. • One-Tap Logging Tap “I Paid” and WhoseUp automatically moves the turn forward. • Multiple Groups Create separate groups for Date Night, Coffee Runs, Groceries, Lunch, Roommates, and more. • Share the Next Turn Create a clean share card showing who paid last and who’s next, then send it through Messages, WhatsApp, social apps, and more. • Group Invites Invite friends to join your group quickly. • Turn History Review past payments and see how evenly your group has been taking turns. • iCloud Sync Keep your groups available across your Apple devices. • Home Screen Widget Check whose turn is next without opening the app. • Privacy First Your group data stays private and is stored locally or through your own iCloud account. PERFECT FOR • Couples taking turns on dates • Roommates sharing everyday purchases • Friends rotating dinner or drinks • Coworkers taking turns buying coffee • Anyone tired of hearing “I paid last time!” WhoseUp is not a debt calculator. It does not tell you who owes whom. It simply remembers the turn.

Screenshots

Cloud Water4 screens
WhoseUp4 screens

Verdict

The call

The clearest difference is in-app purchases: Cloud Water at none against WhoseUp's 1. Cloud Water also leads on ratings volume (18 vs 3) and iOS requirement (12.0 vs 17.6). WhoseUp's advantage is review sentiment (100% vs 67%) and rating (5.0 vs 4.6). On price, ads 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. WhoseUp sells 1 one-off in-app purchase. Cloud Water asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

WhoseUp holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Cloud Water has 18 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 67% of Cloud Water's written reviews are positive against 100% of WhoseUp's.

UpkeepUpdate frequency

Cloud Water ships an update every 2 months, WhoseUp fortnightly. The most recent releases landed on July 18, 2026 and August 16, 2026 respectively.

Scorecard7 real differences · 3 level
Cloud Water versus WhoseUp: the parameters behind the verdict, then further details
ParameterCloud WaterWhoseUp
PriceFreeFree
Rating4.6 (18 ratings)5.0 (3 ratings) — better
Positive reviews66.7% of reviews100.0% of reviews — better
Number of ratings18 — better3
Update frequencyEvery 2 monthsFortnightly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad
Requires iOS12.0 — better17.6
Further details — not scored
Size14 MB12 MB
Age rating4+4+
DeveloperCloud Water Filter, LLCJimmy Park

Customer experience

Cloud Water

All ratings18 ratings
Positive88.9%
Neutral0.0%
Negative11.1%
Written reviews12 reviews
Positive66.7%
Neutral8.3%
Negative25.0%

WhoseUp

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Cloud Water

No in-app purchases

1 purchases

WhoseUp

One-time1
  • Who's Paying Pro$2.99

Questions

Is Cloud Water free?
Cloud Water is free to download, with no in-app purchases.
Is WhoseUp free?
WhoseUp is free to download, with in-app purchases available.
Which has better reviews, Cloud Water or WhoseUp?
WhoseUp is rated higher. Cloud Water averages 4.6 out of 5 from 18 ratings, while WhoseUp averages 5.0 from 3 ratings.
Do Cloud Water or WhoseUp have ads?
Neither Cloud Water nor WhoseUp shows ads.
Which is updated more often, Cloud Water or WhoseUp?
Cloud Water ships an update every 2 months, and WhoseUp fortnightly. Most recently, Cloud Water was updated on July 18, 2026 and WhoseUp on August 16, 2026.

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