# Calc Quick vs Running Sphere

The clearest difference is ads: Running Sphere at none against Calc Quick's shown. Running Sphere also leads on update cadence (every 6 weeks vs every 19 months) and device support (3 vs 1). On price 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.

Calc Quick ships an update every 19 months, Running Sphere every 6 weeks. The most recent releases landed on October 8, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Calc Quick | Running Sphere |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 19 months | **Every 6 weeks** |
| Size | 5 MB | 22 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Raditya Perdhevi](https://appshunter.io/developer/1558186530) | [Ruben Velasco](https://appshunter.io/developer/1549457866) |

## What reviewers say

### Calc Quick

[App page](https://appshunter.io/ios/app/calc-quick/id1558186528)

**Features:** Vision Pro support

**In-app purchases:** none


### Running Sphere

[App page](https://appshunter.io/ios/app/running-sphere/id1637336193)

**In-app purchases:** none


## Frequently asked questions

### Is Calc Quick free?

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

### Is Running Sphere free?

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

### Do Calc Quick or Running Sphere have ads?

Calc Quick shows ads; Running Sphere does not.

### Which is updated more often, Calc Quick or Running Sphere?

Calc Quick ships an update every 19 months, and Running Sphere every 6 weeks. Most recently, Calc Quick was updated on October 8, 2026 and Running Sphere on October 3, 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.*