# SmartCalc+ Science Calculator vs Quick CalQ

The clearest difference is in-app purchases: Quick CalQ at none against SmartCalc+ Science Calculator's 2. Quick CalQ also leads on update cadence (every 2 weeks vs every 5 weeks) and iOS requirement (12.0 vs 16.6). On price, ads and device support there is nothing between them.

Both are free to download. SmartCalc+ Science Calculator sells 2 in-app purchases, starting at $0.99 per 7 days. Quick CalQ asks for nothing beyond the download.

SmartCalc+ Science Calculator ships an update every 5 weeks, Quick CalQ every 2 weeks. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | SmartCalc+ Science Calculator | Quick CalQ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Monetization | — | Ad-supported |
| Size | 9 MB | 33 MB |
| Requires iOS | 16.6 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Retenica SP Z.O.O](https://appshunter.io/developer/1715674718) | [Itaimi Global Inc.](https://appshunter.io/developer/1754313325) |

## What reviewers say

### SmartCalc+ Science Calculator

[App page](https://appshunter.io/ios/app/smartcalc-plus-science-calculator/id6483847331)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium Access | $0.99 | per 7 days |
| Annual Premium Access | $9.99 | per year |


### 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 SmartCalc+ Science Calculator free?

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

### Is Quick CalQ free?

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

### Do SmartCalc+ Science Calculator or Quick CalQ have ads?

Both SmartCalc+ Science Calculator and Quick CalQ show ads.

### Which is updated more often, SmartCalc+ Science Calculator or Quick CalQ?

SmartCalc+ Science Calculator ships an update every 5 weeks, and Quick CalQ every 2 weeks. Most recently, SmartCalc+ Science Calculator 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.*