Comparison

Circle Area Calculator Pro vs Wave Spa

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

Head to head
About

Circle Area Calculator Pro

This utility app instantly calculates the area of a circle based on its radius or diameter. It seamlessly converts between imperial and metric units in real-time, supporting various measurements like centimeters, meters, inches, feet, and yards.

Highlights
  • Instant circle area calculation
  • Radius or diameter input
  • Real-time unit conversion
  • Imperial and metric system support
  • Supports centimeters, meters, inches, feet, yards
Features
Read full description

Circle Area Calculator Pro is the fastest calculator a circle area that quickly convert between the imperial and the metric system’s units in real time and without any hassle. Just provide a radius or a diameter and you’ll get an area, instantaneously. Circle Area Calculator Pro can also quickly determine area based on radius or diameter expressed in: 1. Centimeters 2. Meters 3. Inches 4. Feet 5. Yards Area can also quickly determine in: 1. Square Centimeters 2. Square Meters 3. Square Inches 4. Square Feet 5. Square Yards Calculate and convert circle area quickly and as you want.

About

Wave Spa

Manage your Wi-Fi enabled hot tub remotely. Schedule heating, set up maintenance routines, and optimize energy usage by maintaining idle temperatures. Enjoy a perfectly prepared spa experience anytime, anywhere.

Highlights
  • Remote Wi-Fi spa management
  • Heating and maintenance scheduling
  • Energy saving idle temperature
  • Customizable heating programs
  • Seamless integration with Wi-Fi spas
Features
Read full description

Revolutionise your hot tub experience with our spa management app! Control your Wi-Fi enabled spa from anywhere with easy scheduling for heating and maintenance. Compatible with IOS 12.3 (or later) and operating seamlessly on 2.4GHz bandwidth for extended range, the app allows you to program the heater, create maintenance schedules to fit your routine, and save energy by maintaining an idle water temperature during non-use. Enjoy the ultimate spa experience as you program the heater to turn on automatically, making your relaxation experience just a tap away – no matter where you are!

Screenshots

Circle Area Calculator Pro3 screens
Wave Spa4 screens

Verdict

The call

The clearest difference is price: Wave Spa at Free against Circle Area Calculator Pro's $1.99. Wave Spa also leads on update cadence (every 3 months vs every 38 months) and ratings volume (9 vs 2). Circle Area Calculator Pro's advantage is rating (5.0 vs 1.9). On 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

Wave Spa is free to download; Circle Area Calculator Pro costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Circle Area Calculator Pro holds the better App Store score, 5.0 against 1.9. Both are backed by a comparable volume of ratings — 2 and 9 respectively.

UpkeepUpdate frequency

Circle Area Calculator Pro ships an update every 38 months, Wave Spa every 3 months. The most recent releases landed on October 3, 2026 and October 22, 2026 respectively.

Scorecard6 real differences · 4 level
Circle Area Calculator Pro versus Wave Spa: the parameters behind the verdict, then further details
ParameterCircle Area Calculator ProWave Spa
Price$1.99Free — better
Rating5.0 (2 ratings) — better1.9 (9 ratings)
Positive reviews—39.3% of reviews
Number of ratings29 — better
Update frequencyEvery 38 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.212.4 — better
Further details — not scored
Size0 MB50 MB
Age rating4+17+
DeveloperAnna FilobokWave Direct Limited

Customer experience

Circle Area Calculator Pro

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Wave Spa

All ratings8 ratings
Positive25.0%
Neutral0.0%
Negative75.0%
Written reviews28 reviews
Positive39.3%
Neutral10.7%
Negative50.0%

In-app purchases

None

Circle Area Calculator Pro

No in-app purchases

None

Wave Spa

No in-app purchases

Questions

Is Circle Area Calculator Pro free?
Circle Area Calculator Pro costs $1.99, with no in-app purchases.
Is Wave Spa free?
Wave Spa is free to download, with no in-app purchases.
Which has better reviews, Circle Area Calculator Pro or Wave Spa?
Circle Area Calculator Pro is rated higher. Circle Area Calculator Pro averages 5.0 out of 5 from 2 ratings, while Wave Spa averages 1.9 from 9 ratings.
Do Circle Area Calculator Pro or Wave Spa have ads?
Neither Circle Area Calculator Pro nor Wave Spa shows ads.
Which is updated more often, Circle Area Calculator Pro or Wave Spa?
Circle Area Calculator Pro ships an update every 38 months, and Wave Spa every 3 months. Most recently, Circle Area Calculator Pro was updated on October 3, 2026 and Wave Spa on October 22, 2026.

Other comparisons