# Rubik's Clock vs Calculator

The clearest difference is ads: Rubik's Clock at none against Calculator's shown. Rubik's Clock also leads on monetization model (free vs free with in-app purchases). Calculator's advantage is update cadence (daily vs every 10 months) and device support (4 vs 2). On price, rating, ratings volume and in-app purchases there is nothing between them.

Both are free to download. Rubik's Clock sells 1 one-off in-app purchase and Calculator sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Rubik's Clock against 5.0 for Calculator. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Rubik's Clock ships an update every 10 months, Calculator daily. The most recent releases landed on October 15, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Rubik's Clock | Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/rubiks-clock/id6746123692/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/calculator-visual-math/id6747378943/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 10 months | **Daily** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 20 MB | 140 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Uliana Gritchina](https://appshunter.io/developer/1619495556) | [Vladislav Alikov](https://appshunter.io/developer/1603123547) |

## What reviewers say

### Rubik's Clock

[App page](https://appshunter.io/ios/app/rubiks-clock/id6746123692)

This app serves as a specialized stopwatch for speedcubing enthusiasts. It tracks your performance with detailed statistics and provides algorithms to help improve your solving times.

**Highlights:** Speedcubing stopwatch, Performance statistics, Algorithm library, Skill improvement tools

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $0.49 | one-time |


### Calculator

[App page](https://appshunter.io/ios/app/calculator-visual-math/id6747378943)

This app transforms complex mathematical formulas into interactive computational graphs, allowing users to visualize and understand the logic behind calculations. It offers both scientific and boolean logic modes, with real-time editing capabilities for "what-if" analysis.

**Highlights:** Visualize math as node-based graphs, Interactive graph editing, Scientific calculator mode, Boolean logic solver, Save and load expressions, Customizable themes

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support the App and remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is Rubik's Clock free?

Rubik's Clock is free to download, with in-app purchases available.

### Is Calculator free?

Calculator is free to download, with in-app purchases available.

### Which has better reviews, Rubik's Clock or Calculator?

Rubik's Clock and Calculator are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Rubik's Clock or Calculator have ads?

Calculator shows ads; Rubik's Clock does not.

### Which is updated more often, Rubik's Clock or Calculator?

Rubik's Clock ships an update every 10 months, and Calculator daily. Most recently, Rubik's Clock was updated on October 15, 2026 and Calculator on September 24, 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.*