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.
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.
- Calculate standard deviation
- Sample or population data
- Compute mean and variance
- Count numerical values
- Sum of numbers
- List of differences
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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
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.
- Basic and advanced scientific calculations
- Solve math problems from photos
- AI chat bot for instant solutions
- Calculation history
- Currency converter
- Graphing functions
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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
Verdict
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
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.
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.
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.
| Parameter | Standard Deviation Calc | Calculator & AI Math Solver |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (11 ratings) | 4.8 (55 ratings) — better |
| Positive reviews | 0.0% of reviews | 83.3% of reviews — better |
| Number of ratings | 11 | 55 — better |
| Update frequency | Every 5 months | Every 5 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Vision Pro — better |
| Requires iOS | 14.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 2 MB | 87 MB |
| Age rating | 4+ | 4+ |
| Developer | Phan Nhat Đang | SimpleInnovation LLC |
Customer experience
Standard Deviation Calc
Calculator & AI Math Solver
In-app purchases
Standard Deviation Calc
- Remove ads$1.99
Calculator & AI Math Solver
- Photo Calculator, Math Solver$4.897 Days
- Photo Calculator, Math Solver$6.997 Days
- Scientific & Photo Calculator3 Days trial$9.091 Month
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- 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?
Is Calculator & AI Math Solver free?
Which has better reviews, Standard Deviation Calc or Calculator & AI Math Solver?
Do Standard Deviation Calc or Calculator & AI Math Solver have ads?
Which is updated more often, Standard Deviation Calc or Calculator & AI Math Solver?
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