# The Logic Calculator vs Calculator +ㅤ

The Logic Calculator and Calculator +ㅤ both sit at 4.6 stars, but that hides the real split: 100% of The Logic Calculator's written reviews are positive against 47% of Calculator +ㅤ's. The Logic Calculator also leads on in-app purchases (none vs 6) and ads (none vs shown). Calculator +ㅤ's advantage is ratings volume (4.6K vs 9) and update cadence (fortnightly vs every 5 weeks). On price, rating and device support there is nothing between them.

Both are free to download. Calculator +ㅤ sells 6 in-app purchases, starting at $2.99 per 7 days. The Logic Calculator asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.6 for The Logic Calculator against 4.6 for Calculator +ㅤ. That said, the two scores are not equally well evidenced: Calculator +ㅤ has 4.6K ratings behind it against 9, so its average is the more settled of the two. Written reviews are what separate them: 100% of The Logic Calculator's written reviews are positive against 47% of Calculator +ㅤ's.

The Logic Calculator ships an update every 5 weeks, Calculator +ㅤ fortnightly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | The Logic Calculator | Calculator +ㅤ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (9 ratings)](https://appshunter.io/ios/app/the-logic-calculator/id1484264087/reviews) | **[4.6 (4.6K ratings)](https://appshunter.io/ios/app/calculator-plus/id1597933199/reviews)** |
| Number of ratings | 9 | **4.6K** |
| Positive reviews | **100.0% of reviews** | 46.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Monetization | **Free** | Subscription |
| Size | 30 MB | 55 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ioannis Votsis](https://appshunter.io/developer/1484264086) | [Rocket Apps GmbH](https://appshunter.io/developer/1566586717) |

## What reviewers say

### The Logic Calculator

[App page](https://appshunter.io/ios/app/the-logic-calculator/id1484264087)

This free utility app helps users perform propositional logic operations with ease. It provides detailed feedback on input well-formedness, sentence types, set consistency, and argument validity. Users can also generate and copy truth tables to other applications.

**Highlights:** Propositional logic operations, Input well-formedness checking, Tautology, contradiction, and contingency determination, Set consistency checking, Argument validity checking, Truth table generation, Copyable truth tables

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 Logic Calculator free?

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

### Is Calculator +ㅤ free?

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

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

Calculator +ㅤ is rated higher. The Logic Calculator averages 4.6 out of 5 from 9 ratings, while Calculator +ㅤ averages 4.6 from 4.6K ratings.

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

Calculator +ㅤ shows ads; The Logic Calculator does not.

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

The Logic Calculator ships an update every 5 weeks, and Calculator +ㅤ fortnightly. Most recently, The Logic Calculator was updated on October 24, 2026 and Calculator +ㅤ on October 25, 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.*