Comparison

CalcSpeed vs Math Sphere

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

Head to head
About

CalcSpeed

Features
Read full description

Speed Calculator is a simple and fast calculator application. The formula you enter is calculated instantly and the results are displayed in real time. You can correct a wrong expression by moving the cursor over it. It can be used like spreadsheet software! Calculations can be easily performed even if you do not know how to use M+ or M- on a conventional calculator! Simply enter the formula as it is, and the calculation results will be displayed smoothly. *It is free, but ads will be displayed. You can save your calculation history! You can automatically save your past calculations and look back at them anytime, making it ideal for household budgeting, work, study, etc! Speed Calculator's main features -- Instantaneous display of calculation results (real-time calculation function) -- Simple and intuitive design makes it easy for anyone to use. -- Simple & intuitive design makes it easy for anyone to use. -- Universal app compatibility for both iPhone & iPad Download Speed Calculator now to manage your calculations smarter!

About

Math Sphere

Features
Read full description

Math Sphere is a smart, user-friendly calculator app that handles everything from everyday basic math to the complex functions you need for school or work. Its clean, simple design makes it easy for anyone, from students to adults, to use intuitively and makes even the toughest calculations feel approachable.

Screenshots

CalcSpeed2 screens
Math Sphere3 screens

Verdict

The call

The clearest difference is ads: Math Sphere at none against CalcSpeed's shown. Math Sphere also leads on iOS requirement (13.0 vs 15.1). CalcSpeed's advantage is update cadence (every 3 days vs every 3 weeks). On price, in-app purchases and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

CalcSpeed ships an update every 3 days, Math Sphere every 3 weeks. The most recent releases landed on October 13, 2026 and October 8, 2026 respectively.

Scorecard3 real differences Β· 3 level
CalcSpeed versus Math Sphere: the parameters behind the verdict, then further details
ParameterCalcSpeedMath Sphere
PriceFreeFree
Update frequencyEvery 3 days β€” betterEvery 3 weeks
AdsYesNo β€” better
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.113.0 β€” better
Further details β€” not scored
Size17 MB25 MB
Age rating4+4+
Developerζ ͺ式会瀾GalleryAppotsuki hayato

In-app purchases

None

CalcSpeed

No in-app purchases

None

Math Sphere

No in-app purchases

Questions

Is CalcSpeed free?
CalcSpeed is free to download, with no in-app purchases.
Is Math Sphere free?
Math Sphere is free to download, with no in-app purchases.
Do CalcSpeed or Math Sphere have ads?
CalcSpeed shows ads; Math Sphere does not.
Which is updated more often, CalcSpeed or Math Sphere?
CalcSpeed ships an update every 3 days, and Math Sphere every 3 weeks. Most recently, CalcSpeed was updated on October 13, 2026 and Math Sphere on October 8, 2026.

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