# Essential Calculator vs ParallelCalculator

The clearest difference is in-app purchases: Essential Calculator at none against ParallelCalculator's 2. Essential Calculator also leads on ads (none vs shown) and iOS requirement (12.4 vs 15.1). On price and device support there is nothing between them.

Both are free to download. ParallelCalculator sells 2 in-app purchases, starting at $1.99 per month. Essential Calculator asks for nothing beyond the download.

## The numbers

| Metric | Essential Calculator | ParallelCalculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (8 ratings)](https://appshunter.io/ios/app/essential-calculator/id1151178028/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | — |
| Monetization | Free | — |
| Size | 2 MB | 38 MB |
| Requires iOS | **12.4** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [CyberMoai](https://appshunter.io/developer/553890347) | [Ryusei Wakita](https://appshunter.io/developer/1896649944) |

## What reviewers say

### Essential Calculator

[App page](https://appshunter.io/ios/app/essential-calculator/id1151178028)

Perform basic mathematical calculations with a clean, minimalist interface. Get instant results for your equations on your iPhone or iPod touch.

**Highlights:** Basic mathematical equations, Instant results, Minimalist interface, iPhone and iPod touch support

**In-app purchases:** none


### ParallelCalculator

[App page](https://appshunter.io/ios/app/parallelcalculator/id6769945397)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム 月額プラン | $1.99 | per month |
| プレミアム 年額プラン | $19.99 | per year |


## Frequently asked questions

### Is Essential Calculator free?

Essential Calculator is free to download, with no in-app purchases.

### Is ParallelCalculator free?

ParallelCalculator is free to download, with in-app purchases available.

### Do Essential Calculator or ParallelCalculator have ads?

ParallelCalculator shows ads; Essential Calculator does not.

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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.*