# SmartCalc+ Science Calculator vs Designable Calculator

The clearest difference is ads: Designable Calculator at none against SmartCalc+ Science Calculator's shown. Designable Calculator also leads on update cadence (every 11 days vs every 5 weeks). On price, in-app purchases, 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 and Designable Calculator sells 1 in-app purchase, starting at $9.99 per year. Whichever you choose, the download price is not the number that matters.

SmartCalc+ Science Calculator ships an update every 5 weeks, Designable Calculator every 11 days. The most recent releases landed on October 2, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | SmartCalc+ Science Calculator | Designable Calculator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Every 11 days** |
| Size | 9 MB | 19 MB |
| Requires iOS | 16.6 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Retenica SP Z.O.O](https://appshunter.io/developer/1715674718) | [Batbayar Batbaatar](https://appshunter.io/developer/1082290586) |

## 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 |


### Designable Calculator

[App page](https://appshunter.io/ios/app/designable-calculator/id6587561422)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Plan | $9.99 | per year |


## Frequently asked questions

### Is SmartCalc+ Science Calculator free?

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

### Is Designable Calculator free?

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

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

SmartCalc+ Science Calculator shows ads; Designable Calculator does not.

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

SmartCalc+ Science Calculator ships an update every 5 weeks, and Designable Calculator every 11 days. Most recently, SmartCalc+ Science Calculator was updated on October 2, 2026 and Designable Calculator on October 12, 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.*