Comparison

CalcApp vs FlowClock

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

Head to head
About

CalcApp

This app combines basic arithmetic, scientific functions, programmer conversions, and unit conversions into a single, easy-to-use tool. It automatically saves all your calculations to a history log, ensuring you never lose important data.

Highlights
  • Basic Arithmetic
  • Scientific Calculator
  • Programmer Mode
  • Unit Converter
  • History Tracking
Features
Read full description

Tired of juggling multiple calculators and conversion apps for different tasks? With this all-in-one Calculator, you can breeze through everything from basic arithmetic to advanced scientific functions and even programmer-specific conversions—right at your fingertips. Whether you’re a student crunching numbers, a professional tackling complex equations, or a developer needing quick logic and base conversions, we’ve got you covered. Plus, every result is automatically saved to your History, so you’ll never lose important calculations again. Key Features: - Basic Arithmetic: Quick and easy for your everyday math needs. - Scientific Calculator: Effortlessly handle trigonometric, logarithmic, and other high-level operations. - Programmer Mode: Seamlessly switch between binary, octal, decimal, and hexadecimal, plus logical operations. - Unit Converter: Instantly convert lengths, volumes, temperatures, and more—no extra steps needed. - History Tracking: Automatically record and revisit your calculations at any time. Download now to transform your smartphone into the ultimate computation powerhouse, ready to solve any math or conversion challenge in seconds!

About

FlowClock

Transform your device's idle screen into a dynamic art piece. Customize clock styles, colors, fonts, and animations to create a unique visual experience. Enjoy elegant and personalized displays for your desktop or bedside.

Highlights
  • Dynamic backgrounds
  • Customizable clock styles
  • Adjustable colors and fonts
  • Animated displays
  • Personalized visual experience
  • Screensaver functionality
Features
Read full description

In FlowClock, time is not just a number; it is a flowing piece of art. You can freely switch dynamic backgrounds, clock styles, colors, fonts, and positions to create a personalized visual experience. With beautiful animations and customization options, FlowClock adds elegance and personality to your desktop, bedside, or screensaver, making every second radiate unique charm. FlowClock offers a free trial. Unlock membership to enjoy unlimited access to all features. Monthly and yearly subscriptions are available. All subscriptions will be charged through your Apple ID account and will automatically renew unless canceled 24 hours before the end of the current period. You can manage your subscription status in your account settings. For any errors or to provide feedback and suggestions, please contact us via the "Feedback" section in the app's settings. Privacy Policy: https://www.joydrif.com/flowclock/privacy-policy.html Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

CalcApp4 screens
FlowClock3 screens

Verdict

The call

The clearest difference is review sentiment: FlowClock at 100% against CalcApp's 75%. CalcApp's advantage is monetization model (free vs freemium). On price, update cadence, ads and in-app purchases 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. CalcApp sells 2 one-off in-app purchases and FlowClock sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

CalcApp ships an update every 3 weeks, FlowClock every 2 weeks. The most recent releases landed on October 2, 2026 and October 10, 2026 respectively.

Scorecard2 real differences · 8 level
CalcApp versus FlowClock: the parameters behind the verdict, then further details
ParameterCalcAppFlowClock
PriceFreeFree
Rating4.6 (19 ratings) — better—
Positive reviews75.0% of reviews100.0% of reviews — better
Number of ratings19 — better—
Update frequencyEvery 3 weeksEvery 2 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree — betterFreemium
DevicesiPhone, iPadiPhone, iPad, Mac — better
Requires iOS16.4 — better17
Further details — not scored
Size4 MB42 MB
Age rating4+4+
Developer尉 张宇 刘

Customer experience

CalcApp

All ratings19 ratings
Positive84.2%
Neutral5.3%
Negative10.5%
Written reviews4 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

FlowClock

Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

CalcApp

One-time2
  • Monthly Plan$0.99
  • Annual Subscription$1.99
3 purchases

FlowClock

Subscriptions2
  • Monthly Plan$0.991 Month
  • Annual Plan$1.991 Year
One-time1
  • Lifetime Access$2.99

Questions

Is CalcApp free?
CalcApp is free to download, with in-app purchases available.
Is FlowClock free?
FlowClock is free to download, with in-app purchases available.
Do CalcApp or FlowClock have ads?
Neither CalcApp nor FlowClock shows ads.
Which is updated more often, CalcApp or FlowClock?
CalcApp ships an update every 3 weeks, and FlowClock every 2 weeks. Most recently, CalcApp was updated on October 2, 2026 and FlowClock on October 10, 2026.

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