# Calcu vs Kora

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.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

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

## The numbers

| Metric | Calcu | Kora |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/calcu-logarithm/id6698852208/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 days | Every 3 days |
| Monetization | Free | — |
| Size | 3 MB | 19 MB |
| Requires iOS | **15.0** | 16 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yuri Morozov](https://appshunter.io/developer/1582368813) | [Ilhan Akbudak](https://appshunter.io/developer/1787725683) |

## What reviewers say

### Calcu

[App page](https://appshunter.io/ios/app/calcu-logarithm/id6698852208)

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:** macOS Compatibility

**In-app purchases:** none


### Kora

[App page](https://appshunter.io/ios/app/kora-ask-me/id6739968621)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*