# The Best Calculator - Calc Pro

> 10 Powerful Calculators

Canonical page: [https://chrome-stats.com/d/id451544502](https://chrome-stats.com/d/id451544502)

## Overview

- **ID:** `id451544502`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Panoramic Software Inc.
- **Category:** Utilities
- **Rating:** 4.60 / 5 (4,712 ratings)
- **Version:** 6.10.0
- **Last updated:** 2024-10-22
- **First published:** 2011-08-17
- **Size:** 53 MB
- **Data as of:** 2026-09-23
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/the-best-calculator-calc-pro/id451544502)
- **Website:** [http://www.panoramicsoft.com/products/calc-pro/](http://www.panoramicsoft.com/products/calc-pro/)
- **Privacy policy:** [http://www.panoramicsoft.com/eula/](http://www.panoramicsoft.com/eula/)

## Description

Unlock the power of Calc Pro with 10 calculators, 150+ currencies, 3000+ unit conversions, and a suite of financial tools and constants. This portable calculator is built for students and professionals who demand speed, accuracy, and versatility on the go.

Features include a scientific and graphing calculator, RPN mode, multiple display options and skins, ten financial worksheets (mortgage, loan, time value of money, depreciation, and more), and cross-device sharing of equations and graphs.

## Rankings

- #26,921 — Overall
- #60 — best
- #63 — calculus
- #68 — calculator

## Review summary

The Best Calculator is praised for its versatility (standard and RPN modes), robust unit/currency conversions, history, and ease of use across devices. The major downsides are persistent ads even after paying, occasional crashes, and frustration over feature removals in updates. Overall, users find it powerful and valuable, but the ad experience and stability concerns detract from the experience for some.

### Pros

- Highly versatile calculator with standard and reverse Polish notation (RPN) support and a wide range of functions.
- Strong unit and currency conversion features that are frequently used.
- Calculation history and quick access to prior results.
- Longstanding, reliable app used across iPad and iPhone; widely regarded as one of the best.
- Easy to use with a clean, aesthetically pleasing interface.

### Cons

- Intrusive ads persist even after purchase, including startup ads that are hard to close and interfere with use.
- Stability issues are noted, with crashes occurring during calculations.
- Update-related feature removals or gaps (e.g., cooking conversions missing) leading to user frustration.

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Source: [Chrome-Stats](https://chrome-stats.com/d/id451544502)