Comparison

Derivative vs Calcu

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

Head to head
About

Derivative

Features
Read full description

The DerivativeCalculus is a simple but elegant app to find the derivatives of complex multivariable functions. You can find the partial derivatives of a multivariate function and share it with others or save it locally. You can create a beautiful high quality partial derivative tree and share it with others or save it locally. Derivatives are shown in beautifully written mathematical expression It automatically saves your hard work locally on your device so you can come back and pick up from where you left off as your great effort will not be lost. This app also has a Study page to help you learn important differentiation rules like, product rule, chain rule, quotient rule, ect. This app is perfect for students learning calculus. Sharpen you brain by using this app and learning about the calculus. This is an app for all student groups. From high school to college to university students. Be creative. Enjoy the app!

About

Calcu

This app provides advanced logarithmic calculations and explanations, covering equation solving, Taylor series, digit-by-digit computation, and integral definitions. It also simplifies expressions, solves complex logarithmic equations, and includes a virtual slide rule.

Highlights
  • Solves logarithmic equations for y, x, and a
  • Explains Taylor series for log_e(x)
  • Illustrates digit-by-digit log_10(x) computation
  • Explains log_e definition via integrals
  • Simplifies logarithmic expressions
  • Calculates and graphs complex logarithms
  • Includes virtual slide rule
Features
Read full description

Calcu-Logarithm performs calculations and helps user understand logarithms on advanced level: 1. Solves equation "y = log_a(x)” for “y”, “x”, and “a”, with relevant graphs. 2. Explains and illustrates how to compute log_e (x) from Taylor series. 3. Explains and illustrates how to compute log_10 (x) digit by digit (based on M.Goldberg algorithm). 4. Explains and provides proof of log_e definition as the integral of x inverse. 5. Simplifies logarithmic expressions and solves logarithmic equations with polynomials of up to 20th degree. 6. Includes virtual slide rule for multiplication and division. 7. Calculates, explains, and graphs logarithms of complex numbers. Developers welcome any feedback, please write to us at graphmath@aol.com. Please check out our other Math apps.

Screenshots

Derivative4 screens
Calcu4 screens

Verdict

The call

The clearest difference is ads: Calcu at none against Derivative's shown. Calcu also leads on update cadence (every 3 days vs monthly). On price, in-app purchases, device support and iOS requirement 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Derivative ships an update monthly, Calcu every 3 days. The most recent releases landed on September 8, 2026 and June 8, 2026 respectively.

Scorecard2 real differences · 7 level
Derivative versus Calcu: the parameters behind the verdict, then further details
ParameterDerivativeCalcu
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyMonthlyEvery 3 days — better
AdsYesNo — better
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.115.0 — better
Further details — not scored
Size37 MB3 MB
Age rating4+4+
DeveloperOm Prakash ChapagainYuri Morozov

In-app purchases

None

Derivative

No in-app purchases

None

Calcu

No in-app purchases

Questions

Is Derivative free?
Derivative is free to download, with no in-app purchases.
Is Calcu free?
Calcu is free to download, with no in-app purchases.
Do Derivative or Calcu have ads?
Derivative shows ads; Calcu does not.
Which is updated more often, Derivative or Calcu?
Derivative ships an update monthly, and Calcu every 3 days. Most recently, Derivative was updated on September 8, 2026 and Calcu on June 8, 2026.

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