# PCalc vs counterSpectrum

The clearest difference is price: counterSpectrum at Free against PCalc's $9.99. counterSpectrum also leads on in-app purchases (none vs 4) and iOS requirement (12.0 vs 15.0). PCalc's advantage is chart position (#105 vs unranked) and device support (5 vs 3). On ads there is nothing between them.

counterSpectrum is free to download; PCalc costs $9.99 up front. PCalc sells 4 one-off in-app purchases. counterSpectrum asks for nothing beyond the download.

## The numbers

| Metric | PCalc | counterSpectrum |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | **[4.7 (770 ratings)](https://appshunter.io/ios/app/pcalc/id284666222/reviews)** | — |
| Number of ratings | **770** | — |
| Positive reviews | 83.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | — |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#105** | — |
| Size | 81 MB | 24 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch, Vision Pro** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TLA Systems Ltd.](https://appshunter.io/developer/284666225) | [Spectrum Software Solutions, Inc.](https://appshunter.io/developer/509107373) |

## What reviewers say

### PCalc

[App page](https://appshunter.io/ios/app/pcalc/id284666222)

**Currently charting:** #105 Top Paid · Utilities (US App Store)

A powerful calculator designed for professionals and students, offering advanced features like RPN mode, multi-line display, and extensive unit conversions. It supports various number systems and includes an Apple Watch app for on-the-go calculations.

**Highlights:** Optional RPN mode, Multi-line display, Extensive unit conversions, Paper tape, Multiple undo/redo, Hexadecimal, octal, binary support, Apple Watch app

**Features:** Apple Watch app, iMessage stickers

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Medium Tip | $1.99 | one-time |
| Large Tip | $4.99 | one-time |
| Enormous Tip | $9.99 | one-time |


### counterSpectrum

[App page](https://appshunter.io/ios/app/counterspectrum/id6738002022)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PCalc free?

PCalc costs $9.99, and also offers in-app purchases.

### Is counterSpectrum free?

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

### Do PCalc or counterSpectrum have ads?

Neither PCalc nor counterSpectrum shows ads.

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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.*