# The Calculator ! vs Drastic Calc

The clearest difference is in-app purchases: Drastic Calc at none against The Calculator !'s 1. Drastic Calc also leads on update cadence (weekly vs every 3 weeks). The Calculator !'s advantage is ads (none vs shown) and iOS requirement (8.0 vs 17.0). On price and device support there is nothing between them.

Both are free to download. The Calculator ! sells 1 one-off in-app purchase. Drastic Calc asks for nothing beyond the download.

The Calculator ! ships an update every 3 weeks, Drastic Calc weekly. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | The Calculator ! | Drastic Calc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Weekly** |
| Size | 17 MB | 15 MB |
| Requires iOS | **8.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [andrzej kar](https://appshunter.io/developer/1197919669) | [Tatsuro Furuya](https://appshunter.io/developer/1865297357) |

## What reviewers say

### The Calculator !

[App page](https://appshunter.io/ios/app/the-calculator/id1444542323)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| REMOVE ADS | $0.99 | one-time |


### Drastic Calc

[App page](https://appshunter.io/ios/app/drastic-calc/id6757259289)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is The Calculator ! free?

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

### Is Drastic Calc free?

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

### Do The Calculator ! or Drastic Calc have ads?

Drastic Calc shows ads; The Calculator ! does not.

### Which is updated more often, The Calculator ! or Drastic Calc?

The Calculator ! ships an update every 3 weeks, and Drastic Calc weekly. Most recently, The Calculator ! was updated on November 2, 2026 and Drastic Calc on October 31, 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.*