# Calculator AiO vs Drastic Calc

The clearest difference is in-app purchases: Drastic Calc at none against Calculator AiO's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Calculator AiO sells 2 in-app purchases, starting at $8.99 per month. Drastic Calc asks for nothing beyond the download.

Calculator AiO ships an update every 5 days, Drastic Calc weekly. The most recent releases landed on October 11, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Calculator AiO | Drastic Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/calculator-aio/id6451085002/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 5 days** | Weekly |
| Monetization | Free with in-app purchases | — |
| Size | 41 MB | 15 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Matteus Barhaido](https://appshunter.io/developer/1696503834) | [Tatsuro Furuya](https://appshunter.io/developer/1865297357) |

## What reviewers say

### Calculator AiO

[App page](https://appshunter.io/ios/app/calculator-aio/id6451085002)

This app offers a versatile calculator experience with multiple input methods including keypad, photo recognition, handwriting, and AI chat. It also features graphing, unit conversion, and a secure media vault for private files. Enjoy a clean, ad-free interface with customizable themes.

**Highlights:** Keypad calculator with history, Photo math for equation solving, AI chat for math assistance, Handwriting recognition, Graph plotting, Unit and currency converter, Secure media vault

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Member - Monthly | $8.99 | per month |
| Pro Member - Annually | $79.99 | per year |


### Drastic Calc

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Calculator AiO free?

Calculator AiO 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 Calculator AiO or Drastic Calc have ads?

Both Calculator AiO and Drastic Calc show ads.

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

Calculator AiO ships an update every 5 days, and Drastic Calc weekly. Most recently, Calculator AiO was updated on October 11, 2026 and Drastic Calc on October 16, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*