# PCalc vs TDS QuickRequest

The clearest difference is price: TDS QuickRequest at Free against PCalc's $9.99. TDS QuickRequest also leads on in-app purchases (none vs 4). PCalc's advantage is device support (5 vs 1) and iOS requirement (15.0 vs 17.6). On update cadence and ads there is nothing between them.

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

Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on October 13, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | PCalc | TDS QuickRequest |
| --- | --- | --- |
| 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 | Every 6 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 81 MB | 142 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod, Apple Watch, Vision Pro** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [TLA Systems Ltd.](https://appshunter.io/developer/284666225) | [Okapi Environmental Services, L.L.C.](https://appshunter.io/developer/1847454555) |

## What reviewers say

### PCalc

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

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 |


### TDS QuickRequest

[App page](https://appshunter.io/ios/app/tds-quickrequest/id6754257766)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PCalc free?

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

### Is TDS QuickRequest free?

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

### Do PCalc or TDS QuickRequest have ads?

Neither PCalc nor TDS QuickRequest shows ads.

### Which is updated more often, PCalc or TDS QuickRequest?

PCalc ships an update every 6 weeks, and TDS QuickRequest every 6 weeks. Most recently, PCalc was updated on October 13, 2026 and TDS QuickRequest on October 10, 2026.

---

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