Comparison

Calcu vs Kora

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

Head to head
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
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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.

About

Kora

Features
Read full description

Kora is your dedicated academic and campus assistant, tailored for our university! Powered by advanced natural language processing (NLP), Kora helps students and staff navigate academic, social, and campus life with ease. Whether you're searching for course details, managing your schedule, or staying updated on campus events, Kora is here to assist 24/7. Key Features: - Instant Answers: Get detailed responses to questions about courses, schedules, and campus resources. - Personalized Support: Receive tailored recommendations for academics, activities, and student clubs. - Organized Conversations: Access past chats and start new ones with a simple and intuitive interface. - Multilingual Support: Interact in your preferred language for a seamless experience.

Screenshots

Calcu4 screens
Kora4 screens

Verdict

The call

Calcu and Kora are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly every 3 days. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

ScorecardNo meaningful differences
Calcu versus Kora: the parameters behind the verdict, then further details
ParameterCalcuKora
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 3 daysEvery 3 days
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better16
Further details — not scored
Size3 MB19 MB
Age rating4+4+
DeveloperYuri MorozovIlhan Akbudak

In-app purchases

None

Calcu

No in-app purchases

None

Kora

No in-app purchases

Questions

Is Calcu free?
Calcu is free to download, with no in-app purchases.
Is Kora free?
Kora is free to download, with no in-app purchases.
Do Calcu or Kora have ads?
Neither Calcu nor Kora shows ads.
Which is updated more often, Calcu or Kora?
Calcu ships an update every 3 days, and Kora every 3 days. Most recently, Calcu was updated on October 24, 2026 and Kora on October 28, 2026.

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