# Calculator + vs The Logic Calculator

The clearest difference is in-app purchases: The Logic Calculator at none against Calculator +'s 12. The Logic Calculator also leads on ads (none vs shown) and review sentiment (100% vs 85%). Calculator +'s advantage is update cadence (every 5 days vs every 5 weeks) and ratings volume (10K vs 9). On price, rating and device support there is nothing between them.

Both are free to download. Calculator + sells 12 in-app purchases, starting at $4.99 per month. The Logic Calculator asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.6 for Calculator + against 4.6 for The Logic Calculator. That said, the two scores are not equally well evidenced: Calculator + has 10K ratings behind it against 9, so its average is the more settled of the two. Written reviews are what separate them: 85% of Calculator +'s written reviews are positive against 100% of The Logic Calculator's.

Calculator + ships an update every 5 days, The Logic Calculator every 5 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Calculator + | The Logic Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (10K ratings)](https://appshunter.io/ios/app/calculator-plus/id351815470/reviews)** | [4.6 (9 ratings)](https://appshunter.io/ios/app/the-logic-calculator/id1484264087/reviews) |
| Number of ratings | **10K** | 9 |
| Positive reviews | 84.9% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 5 days** | Every 5 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 49 MB | 30 MB |
| Requires iOS | 16.4 | **9.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sarah Ragab](https://appshunter.io/developer/327498295) | [Ioannis Votsis](https://appshunter.io/developer/1484264086) |

## What reviewers say

### Calculator +

[App page](https://appshunter.io/ios/app/calculator-plus/id351815470)

This app offers a free basic and scientific calculator with an intuitive interface. It supports fractions, percentages, and advanced editing. Optional upgrades provide specialized calculators for fractions with units, polynomial and linear equation solving, graphing, and geometric shapes.

**Highlights:** Free basic and scientific calculator, Intuitive interface with equation and result display, Fraction and percent support, Advanced editing capabilities, Polynomial and linear equation solver, Graphing calculator, Unit conversion and geometric calculators

**Features:** Vision Pro support

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Scientific Calculator | $4.99 | per month |
| Calculator | $39.99 | per year |
| Linear Calculator | $2.99 | one-time |
| Factoring Calculator | $2.99 | one-time |
| Handwriting Calculator | $2.99 | one-time |
| Currency Converter | $2.99 | one-time |
| Themes Pack | $2.99 | one-time |
| Graphing Calculator | $3.99 | one-time |
| Fraction Calculator | $3.99 | one-time |
| Scientific Calculator | $4.99 | one-time |
| Calculator Plus | $4.99 | one-time |
| Calculator | $16.99 | one-time |

**What reviewers like**

- 👍 Great features and easy to use
- 👍 Efficient and quick
- 👍 Versatile, functional calculator
- 👍 Fantastic, easy to use app
- 👍 Awesome calculator app

**What reviewers complain about**

- 🐛 New updated layout is awful
- 🐛 App is now terrible
- 🔒 Paying customer screwed over by update
- 🔒 Now timed trial, no free w/ads version
- 🔒 Not honest

**Reported bugs**

- Fraction calculator has TWO subtraction buttons and NO division button
- Decimals seem to be changed to fraction with no apparent way of changing it back
- Functionality is dropped by forcing you to the main menu every time you open it
- Currency converter broken
- Login screen freezes

**Requested features**

- Add mod function
- Add commas
- Add 1/x function
- Support for Retina Display
- Add number 4 with two lines


### 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


## Frequently asked questions

### Is Calculator + free?

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

### Is The Logic Calculator free?

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

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

Calculator + is rated higher. Calculator + averages 4.6 out of 5 from 10K ratings, while The Logic Calculator averages 4.6 from 9 ratings.

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

Calculator + shows ads; The Logic Calculator does not.

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

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

---

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