# Just A Calc vs Customizable calculator

The clearest difference is ads: Just A Calc at none against Customizable calculator's shown. Customizable calculator's advantage is update cadence (every 2 days vs every 38 months). On price, in-app purchases, device support 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.

Just A Calc ships an update every 38 months, Customizable calculator every 2 days. The most recent releases landed on October 12, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Just A Calc | Customizable calculator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 38 months | **Every 2 days** |
| Size | 10 MB | 202 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tom Doherty](https://appshunter.io/developer/1112286724) | [Hisashi Yoshizawa](https://appshunter.io/developer/1770019728) |

## What reviewers say

### Just A Calc

[App page](https://appshunter.io/ios/app/just-a-calc/id1112349564)

**Features:** macOS Compatibility

**In-app purchases:** none


### Customizable calculator

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

**In-app purchases:** none


## Frequently asked questions

### Is Just A Calc free?

Just A Calc is free to download, with no in-app purchases.

### Is Customizable calculator free?

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

### Do Just A Calc or Customizable calculator have ads?

Customizable calculator shows ads; Just A Calc does not.

### Which is updated more often, Just A Calc or Customizable calculator?

Just A Calc ships an update every 38 months, and Customizable calculator every 2 days. Most recently, Just A Calc was updated on October 12, 2026 and Customizable calculator on October 25, 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.*