# Calculator Smart

> Scientific & Standard Calc

Canonical page: [https://chrome-stats.com/d/id698030968](https://chrome-stats.com/d/id698030968)

## Overview

- **ID:** `id698030968`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Miroslav Otsedarski
- **Category:** Utilities
- **Rating:** 4.70 / 5 (497 ratings)
- **Version:** 1.7.2
- **Last updated:** 2026-03-16
- **First published:** 2013-11-22
- **Size:** 24 MB
- **Data as of:** 2026-09-16
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/calculator-smart/id698030968)
- **Website:** [https://multipinch.com/calculatorsmart](https://multipinch.com/calculatorsmart)
- **Privacy policy:** [https://multipinch.com/privacypolicy](https://multipinch.com/privacypolicy)

## Description

Calculator Smart is the most powerful and precise calculator for iPhone, iPad, and Apple Watch — built for everyday math and advanced scientific computations alike. It offers 30+ scientific operations, degrees and radians support, nested parentheses, and output in Decimal or Scientific notation with a clean, modern interface and large, responsive big buttons.

Intuitive input and cross-device features make it a versatile tool: slide to delete digits, copy/paste results, full keyboard support, and locale-aware grouping; plus Apple Watch complications, a Lock Screen Widget, a Messages extension, and customizable skins and icons. With a universal purchase, you buy once and use on all your Apple devices.

## Rankings

- #72,726 — Overall

## Review summary

The app is visually appealing and generally useful, with strong praise for its design and usability. However, it suffers from precision errors in basic math, lacks key features (history, undo, preferences), has inconsistent keyboard support, and displays UI issues due to ads. These recurring concerns outweigh the positives for someone needing reliable, precise calculations.

### Pros

- Elegant, simple, and visually appealing design that resembles the iPhone calculator.
- Generally useful and easy to use for everyday calculations; several reviewers call it helpful or indispensable.
- Positive endorsements that the app is attractive and suitable for students and non-expert users.

### Cons

- Floating-point precision issues lead to incorrect results in simple calculations (e.g., 617.14 - 602.45 = 14.689999999 and 177 - 170.21 = 6.789999999).
- Missing essential features like history/tape, undo/back, and user preferences (even the free version).
- Inconsistent keyboard support: Enter key not reliably functioning as equals on Mac keyboards and external number pads; exponent/power operator not available.
- Display/readability issues due to bottom banner ads and the inability to resize the display.

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Source: [Chrome-Stats](https://chrome-stats.com/d/id698030968)