# Calcu vs Dandelion

The clearest difference is iOS requirement: Calcu at 15.0 against Dandelion's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Calcu ships an update every 3 days, Dandelion every 4 days. The most recent releases landed on October 24, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Calcu | Dandelion |
| --- | --- | --- |
| 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 4 days |
| Monetization | Free | — |
| Size | 3 MB | 8 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Yuri Morozov](https://appshunter.io/developer/1582368813) | [Stefan Meingast](https://appshunter.io/developer/6777662339) |

## 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


### Dandelion

[App page](https://appshunter.io/ios/app/dandelion-star-clusters/id6787721036)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Calcu free?

Calcu is free to download, with no in-app purchases.

### Is Dandelion free?

Dandelion is free to download, with no in-app purchases.

### Do Calcu or Dandelion have ads?

Neither Calcu nor Dandelion shows ads.

### Which is updated more often, Calcu or Dandelion?

Calcu ships an update every 3 days, and Dandelion every 4 days. Most recently, Calcu was updated on October 24, 2026 and Dandelion on October 6, 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.*