# PCalc vs Classicalc calculator

The clearest difference is rating: PCalc at 4.7 against Classicalc calculator's 3.8. PCalc also leads on update cadence (every 6 weeks vs every 20 months) and ratings volume (770 vs 13). Classicalc calculator's advantage is price ($0.99 vs $9.99) and in-app purchases (none vs 4). On ads and device support there is nothing between them.

PCalc costs $9.99 and Classicalc calculator $0.99 up front. PCalc sells 4 one-off in-app purchases. Classicalc calculator asks for nothing beyond the download.

PCalc holds the better App Store score, 4.7 against 3.8. That said, the two scores are not equally well evidenced: PCalc has 770 ratings behind it against 13, so its average is the more settled of the two. Written reviews point the same way: 84% of PCalc's written reviews are positive against 63% of Classicalc calculator's.

PCalc ships an update every 6 weeks, Classicalc calculator every 20 months. The most recent releases landed on October 15, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | PCalc | Classicalc calculator |
| --- | --- | --- |
| Price | $9.99 | **$0.99** |
| Rating | **[4.7 (770 ratings)](https://appshunter.io/ios/app/pcalc/id284666222/reviews)** | [3.8 (13 ratings)](https://appshunter.io/ios/app/classicalc-calculator/id989434780/reviews) |
| Number of ratings | **770** | 13 |
| Positive reviews | **83.6% of reviews** | 62.5% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 20 months |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | **#106** | — |
| Size | 81 MB | 14 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod, Apple Watch, Vision Pro | iPhone, iPad, iPod, Mac, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [TLA Systems Ltd.](https://appshunter.io/developer/284666225) | [Lukasz Kowalski](https://appshunter.io/developer/792954012) |

## What reviewers say

### PCalc

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

**Currently charting:** #106 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 |


### Classicalc calculator

[App page](https://appshunter.io/ios/app/classicalc-calculator/id989434780)

This calculator app offers instant calculations as you type, following the mathematical order of operations. It features unique piano sound themes and allows seamless continuation of calculations across iPhone and Apple Watch. Your equations are automatically saved for convenience.

**Highlights:** Instant calculation as you type, Mathematical order of operators, Cross-device continuity (iPhone/Watch), Automatic equation saving, 14 piano sound themes, Copy result to clipboard

**In-app purchases:** none


## Frequently asked questions

### Is PCalc free?

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

### Is Classicalc calculator free?

Classicalc calculator costs $0.99, with no in-app purchases.

### Which has better reviews, PCalc or Classicalc calculator?

PCalc is rated higher. PCalc averages 4.7 out of 5 from 770 ratings, while Classicalc calculator averages 3.8 from 13 ratings.

### Do PCalc or Classicalc calculator have ads?

Neither PCalc nor Classicalc calculator shows ads.

### Which is updated more often, PCalc or Classicalc calculator?

PCalc ships an update every 6 weeks, and Classicalc calculator every 20 months. Most recently, PCalc was updated on October 15, 2026 and Classicalc calculator on October 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*