# atmospherePro vs Quick CalQ

The clearest difference is ads: atmospherePro at none against Quick CalQ's shown. atmospherePro also leads on device support (4 vs 2). Quick CalQ's advantage is update cadence (every 2 weeks vs every 2 months). On price, in-app purchases and iOS requirement there is nothing between them.

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

atmospherePro ships an update every 2 months, Quick CalQ every 2 weeks. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | atmospherePro | Quick CalQ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/atmospherepro/id1550936444/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | — | Ad-supported |
| Size | 38 MB | 33 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Atsign](https://appshunter.io/developer/1516551087) | [Itaimi Global Inc.](https://appshunter.io/developer/1754313325) |

## What reviewers say

### atmospherePro

[App page](https://appshunter.io/ios/app/atmospherepro/id1550936444)

**In-app purchases:** none


### Quick CalQ

[App page](https://appshunter.io/ios/app/quick-calq-simple-calculator/id6740219677)

This app provides accurate and reliable calculations, avoiding common errors found in other calculator applications. It features a clean interface, a history log, and follows the MDAS rule for correct order of operations. It's completely free to use.

**Highlights:** Accurate calculations, MDAS rule compliance, Working percentage calculator, History log, Fast and lightweight, Simple interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is atmospherePro free?

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

### Is Quick CalQ free?

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

### Do atmospherePro or Quick CalQ have ads?

Quick CalQ shows ads; atmospherePro does not.

### Which is updated more often, atmospherePro or Quick CalQ?

atmospherePro ships an update every 2 months, and Quick CalQ every 2 weeks. Most recently, atmospherePro was updated on October 24, 2026 and Quick CalQ on October 22, 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.*