# Calculator Smart vs Accurity

The clearest difference is price: Calculator Smart at Free against Accurity's $89.99. Calculator Smart also leads on device support (6 vs 1) and iOS requirement (13.0 vs 16.0). Accurity's advantage is in-app purchases (none vs 3) and ads (none vs shown). On update cadence there is nothing between them.

Calculator Smart is free to download; Accurity costs $89.99 up front. Calculator Smart sells 3 one-off in-app purchases. Accurity asks for nothing beyond the download.

Calculator Smart ships an update every 4 months, Accurity every 2 months. The most recent releases landed on September 12, 2026 and June 11, 2026 respectively.

## The numbers

| Metric | Calculator Smart | Accurity |
| --- | --- | --- |
| Price | **Free** | $89.99 |
| Rating | **[4.7 (494 ratings)](https://appshunter.io/ios/app/calculator-smart/id698030968/reviews)** | — |
| Number of ratings | **494** | — |
| Positive reviews | 36.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free with in-app purchases | — |
| Size | 24 MB | 6 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod, Mac, Apple TV, Apple Watch** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Miroslav Otsedarski](https://appshunter.io/developer/450091139) | [Alsobia inc.](https://appshunter.io/developer/1572658775) |

## What reviewers say

### 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 |


### Accurity

[App page](https://appshunter.io/ios/app/accurity/id1572658773)

**In-app purchases:** none


## Frequently asked questions

### Is Calculator Smart free?

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

### Is Accurity free?

Accurity costs $89.99, with no in-app purchases.

### Do Calculator Smart or Accurity have ads?

Calculator Smart shows ads; Accurity does not.

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

Calculator Smart ships an update every 4 months, and Accurity every 2 months. Most recently, Calculator Smart was updated on September 12, 2026 and Accurity 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.*