Comparison

Logarithm Rules Calculator vs Calcu

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

Head to head
About

Logarithm Rules Calculator

Features
Read full description

Get your homework done instantly. Prepare for exams stress-free. Free, complete step-by-step solutions. Enter your values and apply logarithm rules. HOW IT WORKS Enter your values into the correct fields and get started. You’ll receive the solution instantly and can share it with friends or classmates. YOUR PERSONAL DATA We don’t need it. Only anonymized data is collected, for example: - which features are used - how many solutions are generated This helps us improve. No conclusions can be drawn about you. COSTS Everything is free to use. 24/7 access to your solutions. All solution steps are always complete. If you need many solutions in a short time, various purchase options are available. EXTRAS - Overview of all calculation rules - Curated learning videos - Feedback on incorrect inputs - Manage your own solutions - App introduction CONTACT Questions and feedback via Discord or directly in the app review.

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

Logarithm Rules Calculator4 screens
Calcu4 screens

Verdict

The call

The clearest difference is in-app purchases: Calcu at none against Logarithm Rules Calculator's 8. Calcu also leads on update cadence (every 3 days vs every 3 weeks). On price, ads, 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. Logarithm Rules Calculator sells 8 one-off in-app purchases. Calcu asks for nothing beyond the download.

UpkeepUpdate frequency

Logarithm Rules Calculator ships an update every 3 weeks, Calcu every 3 days. The most recent releases landed on August 17, 2026 and June 8, 2026 respectively.

Scorecard2 real differences · 7 level
Logarithm Rules Calculator versus Calcu: the parameters behind the verdict, then further details
ParameterLogarithm Rules CalculatorCalcu
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 3 weeksEvery 3 days — better
AdsNoNo
In-app purchasesYesNo — better
Monetization—Free
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size182 MB3 MB
Age rating4+4+
DeveloperGlindemann, Sennoun, Langer GbRYuri Morozov

In-app purchases

8 purchases

Logarithm Rules Calculator

One-time8
  • +30 User Tokens$0.29
  • +1 Convenience Token / 6h, max. +2$0.59
  • +2 Convenience Tokens / 6h, max. +4$0.99
Show 5 more
  • +150 User Tokens$0.99
  • +300 User Tokens$1.49
  • +4 Convenience Tokens / 6h, max. +8$1.59
  • Remove Ads$1.99
  • Lifetime Access$1.99
None

Calcu

No in-app purchases

Questions

Is Logarithm Rules Calculator free?
Logarithm Rules Calculator is free to download, with in-app purchases available.
Is Calcu free?
Calcu is free to download, with no in-app purchases.
Do Logarithm Rules Calculator or Calcu have ads?
Neither Logarithm Rules Calculator nor Calcu shows ads.
Which is updated more often, Logarithm Rules Calculator or Calcu?
Logarithm Rules Calculator ships an update every 3 weeks, and Calcu every 3 days. Most recently, Logarithm Rules Calculator was updated on August 17, 2026 and Calcu on June 8, 2026.

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