# CalBasic vs SmartCalc+ Science Calculator

The clearest difference is in-app purchases: CalBasic at none against SmartCalc+ Science Calculator's 2. CalBasic also leads on ads (none vs shown). SmartCalc+ Science Calculator's advantage is update cadence (every 5 weeks vs every 22 months). On price, device support and iOS requirement 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. CalBasic asks for nothing beyond the download.

CalBasic ships an update every 22 months, SmartCalc+ Science Calculator every 5 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | CalBasic | SmartCalc+ Science Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/calbasic/id1636031976/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 22 months | **Every 5 weeks** |
| Monetization | Free | — |
| Size | 1 MB | 9 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Arun Mahasenan](https://appshunter.io/developer/1636031978) | [Retenica SP Z.O.O](https://appshunter.io/developer/1715674718) |

## What reviewers say

### CalBasic

[App page](https://appshunter.io/ios/app/calbasic/id1636031976)

A straightforward calculator app designed for simplicity. It features color-coded buttons for easy identification and a clean interface. Ideal for quick calculations on your mobile device.

**Highlights:** Basic calculator functionality, Color-coded buttons, Simple and clean interface, Designed for quick calculations

**Features:** Vision Pro support

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is CalBasic free?

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

### Is SmartCalc+ Science Calculator free?

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

### Do CalBasic or SmartCalc+ Science Calculator have ads?

SmartCalc+ Science Calculator shows ads; CalBasic does not.

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

CalBasic ships an update every 22 months, and SmartCalc+ Science Calculator every 5 weeks. Most recently, CalBasic was updated on October 24, 2026 and SmartCalc+ Science Calculator on October 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.*