# Calculator + vs Classicalc calculator

The clearest difference is price: Calculator + at Free against Classicalc calculator's $0.99. Calculator + also leads on rating (4.6 vs 3.8) and update cadence (every 4 days vs every 20 months). Classicalc calculator's advantage is in-app purchases (none vs 12) and ads (none vs shown).

Calculator + is free to download; Classicalc calculator costs $0.99 up front. Calculator + sells 12 in-app purchases, starting at $4.99 per month. Classicalc calculator asks for nothing beyond the download.

Calculator + holds the better App Store score, 4.6 against 3.8. That said, the two scores are not equally well evidenced: Calculator + has 10K ratings behind it against 13, so its average is the more settled of the two. Written reviews point the same way: 85% of Calculator +'s written reviews are positive against 63% of Classicalc calculator's.

Calculator + ships an update every 4 days, Classicalc calculator every 20 months. The most recent releases landed on September 24, 2026 and June 11, 2026 respectively.

## The numbers

| Metric | Calculator + | Classicalc calculator |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.6 (10K ratings)](https://appshunter.io/ios/app/calculator-plus/id351815470/reviews)** | [3.8 (13 ratings)](https://appshunter.io/ios/app/classicalc-calculator/id989434780/reviews) |
| Number of ratings | **10K** | 13 |
| Positive reviews | **84.9% of reviews** | 62.5% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 20 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 48 MB | 14 MB |
| Requires iOS | 16.4 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [xNeat.com](https://appshunter.io/developer/327498295) | [Lukasz Kowalski](https://appshunter.io/developer/792954012) |

## 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


### Classicalc calculator

[App page](https://appshunter.io/ios/app/classicalc-calculator/id989434780)

This calculator app offers instant calculations as you type, following the mathematical order of operations. It features unique piano sound themes and allows seamless continuation of calculations across iPhone and Apple Watch. Your equations are automatically saved for convenience.

**Highlights:** Instant calculation as you type, Mathematical order of operators, Cross-device continuity (iPhone/Watch), Automatic equation saving, 14 piano sound themes, Copy result to clipboard

**In-app purchases:** none


## Frequently asked questions

### Is Calculator + free?

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

### Is Classicalc calculator free?

Classicalc calculator costs $0.99, with no in-app purchases.

### Which has better reviews, Calculator + or Classicalc calculator?

Calculator + is rated higher. Calculator + averages 4.6 out of 5 from 10K ratings, while Classicalc calculator averages 3.8 from 13 ratings.

### Do Calculator + or Classicalc calculator have ads?

Calculator + shows ads; Classicalc calculator does not.

### Which is updated more often, Calculator + or Classicalc calculator?

Calculator + ships an update every 4 days, and Classicalc calculator every 20 months. Most recently, Calculator + was updated on September 24, 2026 and Classicalc calculator on June 11, 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.*