# PCalc Lite vs TallUp!

The clearest difference is in-app purchases: TallUp! at none against PCalc Lite's 11. PCalc Lite's advantage is device support (4 vs 1) and iOS requirement (15.0 vs 18.2). On price and ads there is nothing between them.

Both are free to download. PCalc Lite sells 11 one-off in-app purchases. TallUp! asks for nothing beyond the download.

## The numbers

| Metric | PCalc Lite | TallUp! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (214 ratings)](https://appshunter.io/ios/app/pcalc-lite/id300311831/reviews)** | — |
| Number of ratings | **214** | — |
| Positive reviews | 82.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 76 MB | 1 MB |
| Requires iOS | **15.0** | 18.2 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [TLA Systems Ltd.](https://appshunter.io/developer/284666225) | [Luca Marturana](https://appshunter.io/developer/417584446) |

## What reviewers say

### PCalc Lite

[App page](https://appshunter.io/ios/app/pcalc-lite/id300311831)

This free scientific calculator offers essential features like RPN mode, unit conversions, and multiple undo/redo. It provides a taste of a more powerful version, with optional in-app purchases for expanded functionality.

**Highlights:** Optional RPN mode, Multiple undo and redo, Unit conversions and constants, Two stylish themes, Apple Watch app

**Features:** Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Theme Pack | $0.99 | one-time |
| Power User Pack | $0.99 | one-time |
| Multiple Line Pack | $0.99 | one-time |
| Conversion Pack | $0.99 | one-time |
| Small Tip | $0.99 | one-time |
| Medium Tip | $1.99 | one-time |
| Programmer Pack | $2.99 | one-time |
| Engineer Pack | $2.99 | one-time |
| Large Tip | $4.99 | one-time |
| Complete Pack | $9.99 | one-time |
| Enormous Tip | $9.99 | one-time |

**What reviewers like**

- 🚀 Fast and responsive
- 👍 Clean and intuitive interface
- 💡 Customizable themes and settings
- 🚀 Efficient performance
- 👍 Useful conversion tools

**What reviewers complain about**

- 🐛 Occasional lags and crashes
- 🔒 Lack of dark mode support
- 🔒 Inconsistent icon appearance after upgrades
- 🔒 Limitations in RPN mode on Apple Watch
- 🔒 Lack of financial calculator functions

**Reported bugs**

- Calculations sometimes produce unexpected results
- Upside-down text censorship feature is problematic
- Purchased features not always accessible on Apple Watch

**Requested features**

- Add option to display thousands separators
- Implement a history function to review past calculations
- Provide more customization options for the widget
- Add support for sexagesimal angle input and conversion


### TallUp!

[App page](https://appshunter.io/ios/app/tallup/id6743003388)

**In-app purchases:** none


## Frequently asked questions

### Is PCalc Lite free?

PCalc Lite is free to download, with in-app purchases available.

### Is TallUp! free?

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

### Do PCalc Lite or TallUp! have ads?

Neither PCalc Lite nor TallUp! 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.*