# Drastic Calc vs Calculator+ Pro & Math Solver

The clearest difference is ads: Calculator+ Pro & Math Solver at none against Drastic Calc's shown. Calculator+ Pro & Math Solver also leads on iOS requirement (15.5 vs 17.0). Drastic Calc's advantage is update cadence (weekly vs every 2 months). On price, 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.

Drastic Calc ships an update weekly, Calculator+ Pro & Math Solver every 2 months. The most recent releases landed on October 1, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Drastic Calc | Calculator+ Pro & Math Solver |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 2 months |
| Size | 15 MB | 57 MB |
| Requires iOS | 17.0 | **15.5** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [Tatsuro Furuya](https://appshunter.io/developer/1865297357) | [mouhamad cherkawi](https://appshunter.io/developer/1807798998) |

## What reviewers say

### Drastic Calc

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Calculator+ Pro & Math Solver

[App page](https://appshunter.io/ios/app/calculator-plus-pro-and-math-solver/id6759214087)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Drastic Calc free?

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

### Is Calculator+ Pro & Math Solver free?

Calculator+ Pro & Math Solver is free to download, with no in-app purchases.

### Do Drastic Calc or Calculator+ Pro & Math Solver have ads?

Drastic Calc shows ads; Calculator+ Pro & Math Solver does not.

### Which is updated more often, Drastic Calc or Calculator+ Pro & Math Solver?

Drastic Calc ships an update weekly, and Calculator+ Pro & Math Solver every 2 months. Most recently, Drastic Calc was updated on October 1, 2026 and Calculator+ Pro & Math Solver on October 15, 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.*