# Customizable calculator vs SmartCalc Easy

The clearest difference is update cadence: Customizable calculator at every 2 days against SmartCalc Easy's every 3 weeks. Customizable calculator also leads on iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Customizable calculator ships an update every 2 days, SmartCalc Easy every 3 weeks. The most recent releases landed on October 10, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Customizable calculator | SmartCalc Easy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 2 days** | Every 3 weeks |
| Size | 202 MB | 5 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hisashi Yoshizawa](https://appshunter.io/developer/1770019728) | [Younghan Kim](https://appshunter.io/developer/1859100256) |

## What reviewers say

### Customizable calculator

[App page](https://appshunter.io/ios/app/customizable-calculator/id6740001661)

**In-app purchases:** none


### SmartCalc Easy

[App page](https://appshunter.io/ios/app/smartcalc-easy/id6757077422)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Customizable calculator free?

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

### Is SmartCalc Easy free?

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

### Do Customizable calculator or SmartCalc Easy have ads?

Both Customizable calculator and SmartCalc Easy show ads.

### Which is updated more often, Customizable calculator or SmartCalc Easy?

Customizable calculator ships an update every 2 days, and SmartCalc Easy every 3 weeks. Most recently, Customizable calculator was updated on October 10, 2026 and SmartCalc Easy on October 7, 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.*