# Calculator vs Calculator Smart

The clearest difference is rating: Calculator Smart at 4.7 against Calculator's 1.8. Calculator Smart also leads on ratings volume (494 vs 5) and update cadence (every 4 months vs every 15 months). Calculator's advantage is in-app purchases (none vs 3). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Calculator Smart sells 3 one-off in-app purchases. Calculator asks for nothing beyond the download.

Calculator Smart holds the better App Store score, 4.7 against 1.8. That said, the two scores are not equally well evidenced: Calculator Smart has 494 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 20% of Calculator's written reviews are positive against 36% of Calculator Smart's.

Calculator ships an update every 15 months, Calculator Smart every 4 months. The most recent releases landed on October 7, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Calculator | Calculator Smart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.8 (5 ratings)](https://appshunter.io/ios/app/calculator-plus/id598278054/reviews) | **[4.7 (494 ratings)](https://appshunter.io/ios/app/calculator-smart/id698030968/reviews)** |
| Number of ratings | 5 | **494** |
| Positive reviews | 20.0% of reviews | **36.4% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 15 months | **Every 4 months** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 6 MB | 24 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac, Apple TV, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [ABCiSoft](https://appshunter.io/developer/409799840) | [Miroslav Otsedarski](https://appshunter.io/developer/450091139) |

## What reviewers say

### Calculator

[App page](https://appshunter.io/ios/app/calculator-plus/id598278054)

A straightforward calculator app designed for ease of use with large, legible digits. It offers a simple interface for quick calculations on mobile devices.

**Highlights:** Large, clear numbers, Simple interface, Easy calculations, Mobile-friendly design

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### 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 free?

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

### Is Calculator Smart free?

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

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

Calculator Smart is rated higher. Calculator averages 1.8 out of 5 from 5 ratings, while Calculator Smart averages 4.7 from 494 ratings.

### Do Calculator or Calculator Smart have ads?

Both Calculator and Calculator Smart show ads.

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

Calculator ships an update every 15 months, and Calculator Smart every 4 months. Most recently, Calculator was updated on October 7, 2026 and Calculator Smart on October 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.*