# Calculator # Converter vs Calculator Smart

The clearest difference is review sentiment: Calculator # Converter at 83% against Calculator Smart's 36%. Calculator # Converter also leads on ads (none vs shown) and update cadence (every 2 months vs every 4 months). Calculator Smart's advantage is rating (4.7 vs 4.3) and ratings volume (498 vs 70). On price, in-app purchases and monetization model there is nothing between them.

Both are free to download. Calculator # Converter sells 6 one-off in-app purchases and Calculator Smart sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Calculator Smart holds the better App Store score, 4.7 against 4.3. That said, the two scores are not equally well evidenced: Calculator Smart has 498 ratings behind it against 70, so its average is the more settled of the two. Written reviews complicate that: 83% of Calculator # Converter's written reviews are positive against 36% of Calculator Smart's, so the app with the better star average is not the one people write more warmly about.

Calculator # Converter ships an update every 2 months, Calculator Smart every 4 months. The most recent releases landed on October 21, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Calculator # Converter | Calculator Smart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (70 ratings)](https://appshunter.io/ios/app/calculator-converter/id493858733/reviews) | **[4.7 (498 ratings)](https://appshunter.io/ios/app/calculator-smart/id698030968/reviews)** |
| Number of ratings | 70 | **498** |
| Positive reviews | **83.4% of reviews** | 36.4% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 56 MB | 24 MB |
| Requires iOS | **7.0** | 13.0 |
| Devices | iPad | **iPhone, iPad, iPod, Mac, Apple TV, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [PPCLINK Software](https://appshunter.io/developer/833424538) | [Miroslav Otsedarski](https://appshunter.io/developer/450091139) |

## What reviewers say

### Calculator # Converter

[App page](https://appshunter.io/ios/app/calculator-converter/id493858733)

This app offers a comprehensive suite of calculation tools, including scientific, currency, unit, and financial functions. It features advanced capabilities like graphing, equation solving, and a vast constants library, making it suitable for students and professionals alike.

**Highlights:** Scientific calculator functions, Currency and unit converter, Date and time calculations, Financial calculator, Graphing and equation solver, Constants library, RPN mode support

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| "Joyful skins" | $0.99 | one-time |
| Formula Toolkit | $0.99 | one-time |
| Periodic Table | $0.99 | one-time |
| Daily Calculating | $1.99 | one-time |
| Engineering & Financial Calculator | $1.99 | one-time |
| "Unlock All features" | $2.99 | one-time |

**What reviewers like**

- 👍 No ads
- 🚀 Powerful features
- 💡 Tip calculator
- 🔒 No in-app purchases
- 👍 Clean and intuitive interface

**What reviewers complain about**

- 🐛 Occasional crashes
- 🐛 Syntax errors in some functions
- 🐛 Issues with decimal character
- 🔋 Popup ads after updates
- 🔋 Forced to select keyboard each time

**Reported bugs**

- Syntax errors in some functions
- Crashes when trying to delete app
- Incompatibility with older iOS versions

**Requested features**

- Dark mode option
- Ability to annotate saved calculations
- Customizable decimal character
- Repeated equals function


### Calculator Smart

[App page](https://appshunter.io/ios/app/calculator-smart/id698030968)

This app offers a powerful and precise calculator for everyday math and advanced scientific computations. It features a clean interface with large buttons, supporting complex equations, multiple modes, and intuitive input methods. Personalize your experience with colorful skins and custom icons.

**Highlights:** 30+ scientific operations, Degrees and Radians support, Parentheses and nested equations, Intuitive input with slide-to-delete, Copy & Paste results, Apple Watch app and Lock Screen Widget, Colorful skins and custom icons

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Colorful Skins and Remove Ads | $1.99 | one-time |
| Colorful Skins | $1.99 | one-time |
| Colorful Skins for Mac app | $1.99 | one-time |


## Frequently asked questions

### Is Calculator # Converter free?

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

### Is Calculator Smart free?

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

### Which has better reviews, Calculator # Converter or Calculator Smart?

Calculator Smart is rated higher. Calculator # Converter averages 4.3 out of 5 from 70 ratings, while Calculator Smart averages 4.7 from 498 ratings.

### Do Calculator # Converter or Calculator Smart have ads?

Calculator Smart shows ads; Calculator # Converter does not.

### Which is updated more often, Calculator # Converter or Calculator Smart?

Calculator # Converter ships an update every 2 months, and Calculator Smart every 4 months. Most recently, Calculator # Converter was updated on October 21, 2026 and Calculator Smart on October 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.*