# The Simple Calculator vs Calculator +ㅤ

The clearest difference is monetization model: The Simple Calculator at free with in-app purchases against Calculator +ㅤ's subscription. The Simple Calculator also leads on review sentiment (77% vs 46%) and update cadence (weekly vs fortnightly). Calculator +ㅤ's advantage is ratings volume (4.5K vs 171). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. The Simple Calculator sells 1 one-off in-app purchase and Calculator +ㅤ sells 6 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.6 for The Simple Calculator against 4.6 for Calculator +ㅤ. That said, the two scores are not equally well evidenced: Calculator +ㅤ has 4.5K ratings behind it against 171, so its average is the more settled of the two. Written reviews are what separate them: 77% of The Simple Calculator's written reviews are positive against 46% of Calculator +ㅤ's.

The Simple Calculator ships an update weekly, Calculator +ㅤ fortnightly. The most recent releases landed on September 24, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | The Simple Calculator | Calculator +ㅤ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (171 ratings)](https://appshunter.io/ios/app/the-simple-calculator-solve/id1525169566/reviews)** | [4.6 (4.5K ratings)](https://appshunter.io/ios/app/calculator-plus/id1597933199/reviews) |
| Number of ratings | 171 | **4.5K** |
| Positive reviews | **76.9% of reviews** | 45.9% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Fortnightly |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 28 MB | 55 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Andreas Skotadis](https://appshunter.io/developer/1525168367) | [Rocket Apps GmbH](https://appshunter.io/developer/1566586717) |

## What reviewers say

### The Simple Calculator

[App page](https://appshunter.io/ios/app/the-simple-calculator-solve/id1525169566)

This app offers a straightforward way to perform everyday calculations, including basic arithmetic, roots, percentages, and geometric formulas for common shapes. It supports fractions and offers convenient features like dark mode and copy-paste functionality.

**Highlights:** Basic arithmetic operations, Roots and percentages, Geometric calculations for shapes, Fraction support, Portrait and landscape modes, Dark mode, Copy and paste results

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### Calculator +ㅤ

[App page](https://appshunter.io/ios/app/calculator-plus/id1597933199)

This app simplifies math with basic, scientific, and fraction calculations. It also features a unique snap-and-scribble function to solve problems from photos. Customize your experience with themes and access a calculation history.

**Highlights:** Snap and Scribble Calculator, Basic Calculator, Scientific Calculator, Fraction Calculator, Currency Converter, Calculation History, Customizable Themes

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rocket Apps PRO Weekly | $2.99 | per 7 days |
| Rocket Apps PRO Monthly | $4.99 | per month |
| Rocket Apps PRO Yearly | $9.99 | per year |
| Rocket Apps PRO Offer | $19.99 | per year |
| Rocket Apps PRO Yearly | $19.99 | per year |
| Rocket Apps PRO Yearly | $29.99 | per year |

**What reviewers like**

- 👍 Easy to use
- 🚀 Accurate calculations
- 🎨 Excellent visuals
- 💡 Helpful for academic work

**What reviewers complain about**

- 💰 Subscription model too expensive
- 🔍 Decimal entry quirks
- 📺 Too many ads
- 🔒 Locked features behind paywall

**Reported bugs**

- Inaccurate square root calculations
- Compatibility issues on iPad
- Decimal point not recognized

**Requested features**

- Negative number support
- Improved fraction calculator
- Scientific calculator layout
- Option to disable history feature


## Frequently asked questions

### Is The Simple Calculator free?

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

### Is Calculator +ㅤ free?

Calculator +ㅤ is free to download, with in-app purchases available.

### Which has better reviews, The Simple Calculator or Calculator +ㅤ?

The Simple Calculator is rated higher. The Simple Calculator averages 4.6 out of 5 from 171 ratings, while Calculator +ㅤ averages 4.6 from 4.5K ratings.

### Do The Simple Calculator or Calculator +ㅤ have ads?

Both The Simple Calculator and Calculator +ㅤ show ads.

### Which is updated more often, The Simple Calculator or Calculator +ㅤ?

The Simple Calculator ships an update weekly, and Calculator +ㅤ fortnightly. Most recently, The Simple Calculator was updated on September 24, 2026 and Calculator +ㅤ on September 23, 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.*