Comparison

Standard Deviation Calc vs Calculator & AI Math Solver

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

Head to head
About

Standard Deviation Calc

Calculate standard deviation for sample or population data. Input numerical values to find standard deviation, count, sum, mean, variance, and more. Get quick statistical insights with this easy-to-use tool.

Highlights
  • Calculate standard deviation
  • Sample or population data
  • Compute mean and variance
  • Count numerical values
  • Sum of numbers
  • List of differences
Features
Read full description

Use this app to calculate standard deviation for a population or sample data set. Enter your numerical values, and the app will instantly calculate standard deviation, variance, mean, count, sum, and other supporting statistics. Results are estimates for informational purposes only. We are very happy to serve you. If you have any requests, don't hesitate to contact us. - https://www.facebook.com/phan.nhatdang.3/ - phannhatd@gmail.com

About

Calculator & AI Math Solver

This app offers a powerful calculator with a history feature and advanced scientific functions. It uses AI to solve complex math problems instantly, including solving equations from photos and through a chat interface.

Highlights
  • Basic and advanced scientific calculations
  • Solve math problems from photos
  • AI chat bot for instant solutions
  • Calculation history
  • Currency converter
  • Graphing functions
Features
Read full description

This modern and intuitive calculator application allows users to quickly perform basic and complex calculations within seconds. Our calculator has a minimalist interface with large buttons and a display that shows the current calculation and history. The math calculator supports portrait and landscape orientation for your convenience. This is the smartest calculator with numerous powerful operations and other handy tools. Powered by AI technology, the calculator solves various complex math problems instantly. Just snap a photo, and our math solver will generate accurate and fast answers. Trust our math solving app for all your math needs. FEATURES AND BENEFITS • Calculator with history. Save your past calculations to reuse them anytime. • Advanced scientific calculator. Use trigonometric functions, statistical calculations and other specialized functions. • Photo calculator. Take a photo of your math problem and get a quick math solution. • AI Chat Bot. Solve any math problem or equation with ease. • Currency converter. Calculate the exchange rate between 160+ currencies. SUPPORTED OPERATIONS • Basic operations: addition, subtraction, multiplication, and division. • Complex operations: roots, powers, exponents, percents, and more. • Matrix operations: matrix inverse, determinant, and more. • Vector operations: cross product, dot product, and more. • Trigonometry and inverse trigonometry functions. • Logarithms: ln, log. • Constants: π, e, phi. • Graph functions. • Parentheses to indicate order of operations. • Equation solver: quadratic and cubic equations, inequalities and more. Math is a challenging subject, but with our Calculator you can find math is fun and easy to understand! The calculator can handle calculations of any complexity and help you solve math problems from school to scientific level. In addition, you will not only get the answer, but you will also get a solution through a chat with an AI bot. We only add what our users really need!

Screenshots

Standard Deviation Calc3 screens
Calculator & AI Math Solver4 screens

Verdict

The call

The clearest difference is review sentiment: Calculator & AI Math Solver at 83% against Standard Deviation Calc's 0%. Calculator & AI Math Solver also leads on rating (4.8 vs 3.7) and update cadence (every 5 weeks vs every 5 months). Standard Deviation Calc's advantage is ads (none vs shown). On price, in-app purchases, monetization model 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. Standard Deviation Calc sells 1 one-off in-app purchase and Calculator & AI Math Solver sells 6 in-app purchases, starting at $4.89 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Calculator & AI Math Solver holds the better App Store score, 4.8 against 3.7. That said, the two scores are not equally well evidenced: Calculator & AI Math Solver has 55 ratings behind it against 11, so its average is the more settled of the two. Written reviews point the same way: 0% of Standard Deviation Calc's written reviews are positive against 83% of Calculator & AI Math Solver's.

UpkeepUpdate frequency

Standard Deviation Calc ships an update every 5 months, Calculator & AI Math Solver every 5 weeks. The most recent releases landed on October 8, 2026 and October 14, 2026 respectively.

Scorecard5 real differences · 5 level
Standard Deviation Calc versus Calculator & AI Math Solver: the parameters behind the verdict, then further details
ParameterStandard Deviation CalcCalculator & AI Math Solver
PriceFreeFree
Rating3.7 (11 ratings)4.8 (55 ratings) — better
Positive reviews0.0% of reviews83.3% of reviews — better
Number of ratings1155 — better
Update frequencyEvery 5 monthsEvery 5 weeks — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Vision Pro — better
Requires iOS14.0 — better15.0
Further details — not scored
Size2 MB87 MB
Age rating4+4+
DeveloperPhan Nhat ĐangSimpleInnovation LLC

Customer experience

Standard Deviation Calc

All ratings11 ratings
Positive63.6%
Neutral9.1%
Negative27.3%
Written reviews2 reviews
Positive0.0%
Neutral50.0%
Negative50.0%

Calculator & AI Math Solver

All ratings55 ratings
Positive94.5%
Neutral3.6%
Negative1.8%
Written reviews12 reviews
Positive83.3%
Neutral8.3%
Negative8.3%

In-app purchases

1 purchases

Standard Deviation Calc

One-time1
  • Remove ads$1.99
6 purchases

Calculator & AI Math Solver

Subscriptions6
  • Photo Calculator, Math Solver$4.897 Days
  • Photo Calculator, Math Solver$6.997 Days
  • Scientific & Photo Calculator3 Days trial$9.091 Month
Show 3 more
  • Scientific & Photo Calculator3 Days trial$12.991 Month
  • AI Calc & Math Problem Solver$34.991 Year
  • AI Calc & Math Problem Solver$49.991 Year

Questions

Is Standard Deviation Calc free?
Standard Deviation Calc is free to download, with in-app purchases available.
Is Calculator & AI Math Solver free?
Calculator & AI Math Solver is free to download, with in-app purchases available.
Which has better reviews, Standard Deviation Calc or Calculator & AI Math Solver?
Calculator & AI Math Solver is rated higher. Standard Deviation Calc averages 3.7 out of 5 from 11 ratings, while Calculator & AI Math Solver averages 4.8 from 55 ratings.
Do Standard Deviation Calc or Calculator & AI Math Solver have ads?
Calculator & AI Math Solver shows ads; Standard Deviation Calc does not.
Which is updated more often, Standard Deviation Calc or Calculator & AI Math Solver?
Standard Deviation Calc ships an update every 5 months, and Calculator & AI Math Solver every 5 weeks. Most recently, Standard Deviation Calc was updated on October 8, 2026 and Calculator & AI Math Solver on October 14, 2026.

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