Comparison

Statistics Calculator++ vs Frequency Conversion

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

Head to head
About

Statistics Calculator++

Perform advanced statistical analysis, including regression and probability distributions, with ease. Visualize data through plots and tables, and save or import datasets from spreadsheets. Offers a wide range of calculations beyond core statistics.

Highlights
  • Data entry and analysis table
  • Box and whisker plots and histograms
  • Linear, logarithmic, exponential, power, quadratic regressions
  • Save and import data from Excel/Numbers
  • Normal, t, Chi-Squared, F, Binomial, Poisson distributions
  • Confidence intervals and hypothesis tests
  • Fraction manipulation, angle conversions, solvers
Features
Read full description

Simplify your statistics with Statistics Calculator++ Perform powerful statistical analysis without needing a manual. Enter your data easily using "Add X," "Add Y," and "Add Z" buttons, and let Statistics Calculator++ handle the rest. Analyze results in a clear table, including sum, mean, standard deviation, quartiles, and more. Visualize your data with box and whisker plots and histograms. Powerful regression analysis: Choose from linear, logarithmic, exponential, power, and quadratic regressions. The intuitive interface simplifies selecting models and calculating predictions for x and y values. View residuals, residual sum of squares, and how the regression model fits your data in a graph. Save and import data with ease: Store multiple data lists and use them in calculations effortlessly. Import data directly from Microsoft Excel or Apple Numbers. Plus, your data is always saved within the app, so you never lose it. More than just statistics: Probability distributions: Normal, Student's t, Chi-Squared, F, Binomial, Poisson, Geometric, Beta, and Gamma. Confidence intervals and hypothesis tests: Step-by-step explanations for common statistical tests. Advanced calculations: Fraction manipulation, angle conversions, permutation/combination, LCM/GCD, prime factorization, quadratic solver, system of linear equations solver, rectangular/polar conversions, dice rolling. Statistics Calculator++ is a powerful and user-friendly tool for: Students Scientists Engineers Anyone who needs statistical analysis Download Statistics Calculator++ today and experience the simplicity of powerful statistics!

About

Frequency Conversion

Features
Read full description

Frequency Converter is a fast, practical tool for converting frequency units and understanding wave measurements with clarity. Whether you work with audio, radio, electronics, telecommunications, physics, engineering, or education, this app helps you calculate and compare frequency values in seconds. Convert between common frequency units including Hz, kHz, MHz, GHz, and THz, and view related wave information such as wavelength and period where applicable. The clean interface is designed for quick input, easy reading, and smooth everyday use, making it useful for students, technicians, radio enthusiasts, engineers, teachers, and anyone who needs reliable frequency calculations on iPhone. Frequency Converter is built to make technical conversions simple. Enter a value, choose your units, and instantly see the converted result. Use it when studying wave behavior, checking signal ranges, comparing audio frequencies, reviewing RF bands, or working through science and electronics problems. The app also includes helpful reference content so you can better understand frequency ranges and their real-world meaning. Key features include: • Convert frequency values across Hz, kHz, MHz, GHz, and THz • Calculate related wave properties such as wavelength and period • Simple, readable conversion results • Conversion history for reviewing recent calculations • Reference information for common frequency ranges • Clean design for students, engineers, hobbyists, and professionals • Useful for audio, radio, wireless, electronics, physics, and telecom work • Supports quick calculations without unnecessary complexity Frequency Converter is ideal for learning, field work, lab use, classroom exercises, and everyday technical reference. From low-frequency audio signals to high-frequency wireless and electromagnetic waves, the app gives you a convenient way to move between units and understand the numbers behind wave behavior. Download Frequency Converter to make frequency, wavelength, and period calculations faster, clearer, and easier to manage. Thanks for your support and do visit nitrio.com for more apps for your iOS devices.

Screenshots

Statistics Calculator++4 screens
Frequency Conversion4 screens

Verdict

The call

The clearest difference is update cadence: Statistics Calculator++ at every 3 weeks against Frequency Conversion's every 22 months. Statistics Calculator++ also leads on price ($0.99 vs $2.99) and iOS requirement (15.0 vs 17.6). 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

Statistics Calculator++ costs $0.99 and Frequency Conversion $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Statistics Calculator++ ships an update every 3 weeks, Frequency Conversion every 22 months. The most recent releases landed on October 14, 2026 and October 15, 2026 respectively.

Scorecard3 real differences · 7 level
Statistics Calculator++ versus Frequency Conversion: the parameters behind the verdict, then further details
ParameterStatistics Calculator++Frequency Conversion
Price$0.99 — better$2.99
Rating4.1 (308 ratings) — better—
Positive reviews62.5% of reviews—
Number of ratings308 — better—
Update frequencyEvery 3 weeks — betterEvery 22 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.0 — better17.6
Further details — not scored
Size4 MB2 MB
Age rating4+4+
DeveloperDogaheHeng Jia Liang

Bugs and requests

Statistics Calculator++

Reported bugs

6 issues
  • App freezes after brief use
  • Statistics section won't open
  • Incompatibility with iOS 7
  • Random number generator produces predetermined sequences
  • Landscape/portrait mode switching issues
Show 1 more
  • Missing advertised features (nCr function)

Requested features

10 requests
  • User manual or tutorial documentation
  • Ability to input custom quantiles and critical values
  • Support for Z-score input in normal distribution
  • Streamlined data clearing process
  • Quadratic and advanced regression options
Show 5 more
  • Graphing for all input/output scenarios
  • Direct proportion input without requiring trial counts
  • Improved random number generator with proper seeding
  • Plotting of regression models
  • Two-sided interval calculations for alpha values

Frequency Conversion

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Statistics Calculator++

No in-app purchases

None

Frequency Conversion

No in-app purchases

Questions

Is Statistics Calculator++ free?
Statistics Calculator++ costs $0.99, with no in-app purchases.
Is Frequency Conversion free?
Frequency Conversion costs $2.99, with no in-app purchases.
Do Statistics Calculator++ or Frequency Conversion have ads?
Neither Statistics Calculator++ nor Frequency Conversion shows ads.
Which is updated more often, Statistics Calculator++ or Frequency Conversion?
Statistics Calculator++ ships an update every 3 weeks, and Frequency Conversion every 22 months. Most recently, Statistics Calculator++ was updated on October 14, 2026 and Frequency Conversion on October 15, 2026.

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