# Calculator + vs Xmart Calculator Pro

The clearest difference is price: Calculator + at Free against Xmart Calculator Pro's $5.99. Calculator + also leads on update cadence (every 5 days vs every 6 weeks) and ratings volume (10K vs 153). Xmart Calculator Pro's advantage is in-app purchases (none vs 12) and ads (none vs shown). On rating and review sentiment there is nothing between them.

Calculator + is free to download; Xmart Calculator Pro costs $5.99 up front. Calculator + sells 12 in-app purchases, starting at $4.99 per month. Xmart Calculator Pro asks for nothing beyond the download.

Calculator + holds the better App Store score, 4.6 against 4.4. That said, the two scores are not equally well evidenced: Calculator + has 10K ratings behind it against 153, so its average is the more settled of the two. Written reviews split almost evenly too, at 85% and 85% positive.

Calculator + ships an update every 5 days, Xmart Calculator Pro every 6 weeks. The most recent releases landed on October 31, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Calculator + | Xmart Calculator Pro |
| --- | --- | --- |
| Price | **Free** | $5.99 |
| Rating | **[4.6 (10K ratings)](https://appshunter.io/ios/app/calculator-plus/id351815470/reviews)** | [4.4 (153 ratings)](https://appshunter.io/ios/app/xmart-calculator-pro/id827740598/reviews) |
| Number of ratings | **10K** | 153 |
| Positive reviews | 84.9% of reviews | **85.5% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 5 days** | Every 6 weeks |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 50 MB | 13 MB |
| Requires iOS | 16.4 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [xNeat.com](https://appshunter.io/developer/327498295) | [XHLIU](https://appshunter.io/developer/460419472) |

## 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, iPhone Duo 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


### Xmart Calculator Pro

[App page](https://appshunter.io/ios/app/xmart-calculator-pro/id827740598)

This app functions as an intelligent, programmable calculator that allows users to define custom algebraic functions. It provides instant results as expressions are updated and offers step-by-step calculation traceability. Users can save, recall, and share their calculation history.

**Highlights:** Define custom algebraic functions, Instant calculation results, Step-by-step calculation traceability, Save and recall calculation history, Configurable appearance (colors, fonts), Includes a mortgage calculator

**Features:** macOS Compatibility, Apple Watch app, iMessage stickers, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 💾 History saving and recall functionality
- 👍 User-friendly and intuitive interface
- 🎨 Customizable colors and themes
- 💡 Custom function creation and storage
- 🚀 Fast and efficient calculations

**What reviewers complain about**

- 🐛 Glitches with equals button reuse
- 🐛 Preferences window opens unexpectedly
- 📱 iPad landscape-only orientation limitation
- 🐛 Percentage calculations don't work on-the-fly
- 🐛 Decimal multiplication errors (.15*.80)

**Reported bugs**

- Illegal character error when reusing equals button result
- Preferences dialog opens on equals button tap
- Save button disappeared in history feature
- Percentage key calculations malfunction
- Decimal multiplication errors

**Requested features**

- Fraction form results display
- RPN (Reverse Polish Notation) support
- Better iPad screen optimization
- Decimal input accepting '.2' as '0.2'
- Smart decimal place display


## Frequently asked questions

### Is Calculator + free?

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

### Is Xmart Calculator Pro free?

Xmart Calculator Pro costs $5.99, with no in-app purchases.

### Which has better reviews, Calculator + or Xmart Calculator Pro?

Calculator + is rated higher. Calculator + averages 4.6 out of 5 from 10K ratings, while Xmart Calculator Pro averages 4.4 from 153 ratings.

### Do Calculator + or Xmart Calculator Pro have ads?

Calculator + shows ads; Xmart Calculator Pro does not.

### Which is updated more often, Calculator + or Xmart Calculator Pro?

Calculator + ships an update every 5 days, and Xmart Calculator Pro every 6 weeks. Most recently, Calculator + was updated on October 31, 2026 and Xmart Calculator Pro on October 29, 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.*