# PCalc Lite vs Tydlig

The clearest difference is price: PCalc Lite at Free against Tydlig's $1.99. Tydlig's advantage is in-app purchases (none vs 11) and rating (4.8 vs 4.4). On update cadence, ads and device support there is nothing between them.

PCalc Lite is free to download; Tydlig costs $1.99 up front. PCalc Lite sells 11 one-off in-app purchases. Tydlig asks for nothing beyond the download.

Tydlig holds the better App Store score, 4.8 against 4.4. That said, the two scores are not equally well evidenced: Tydlig has 2.6K ratings behind it against 214, so its average is the more settled of the two. Written reviews point the same way: 83% of PCalc Lite's written reviews are positive against 91% of Tydlig's.

PCalc Lite ships an update every 2 months, Tydlig monthly. Both last shipped on October 18, 2026.

## The numbers

| Metric | PCalc Lite | Tydlig |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [4.4 (214 ratings)](https://appshunter.io/ios/app/pcalc-lite/id300311831/reviews) | **[4.8 (2.6K ratings)](https://appshunter.io/ios/app/tydlig/id721606556/reviews)** |
| Number of ratings | 214 | **2.6K** |
| Positive reviews | 82.6% of reviews | **91.4% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 76 MB | 13 MB |
| Requires iOS | 15.0 | **9.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TLA Systems Ltd.](https://appshunter.io/developer/284666225) | [Tydlig Software AB](https://appshunter.io/developer/922197427) |

## 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


### Tydlig

[App page](https://appshunter.io/ios/app/tydlig/id721606556)

This app reimagines the calculator experience with a freeform canvas, dynamic results, and linked numbers. It allows for easy everyday calculations, real-time graphing, and annotation, making complex math visualization intuitive.

**Highlights:** Freeform canvas for calculations, Responsive and linked results, Real-time graphing, Infinite scrolling history, Annotate numbers with text, Slider for tweaking values, Export as PDF or image

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Intuitive and easy to use
- 🚀 Powerful and flexible
- 💡 Innovative approach to calculations
- 🔍 Ability to see calculation history
- 📊 Helpful graphing capabilities

**What reviewers complain about**

- 🔀 Lack of ability to save/load multiple canvases
- 🔀 No way to organize calculations into separate sheets/pages
- 🔀 Inability to add notes or labels to calculations
- 🐛 Occasional crashes and bugs
- 🔀 No support for fractions or complex math functions

**Reported bugs**

- Crashes when trying to use graphing feature
- Calculation history disappears after app restart
- Compatibility issues with newer iOS versions
- Labeling calculations with non-Latin characters causes display issues

**Requested features**

- Add support for multiple canvases/sheets to save and load calculations
- Implement ability to add notes, labels, and annotations to calculations
- Expand math functions to include fractions, combinations, permutations, etc.
- Introduce iCloud/cloud sync to access calculations across devices
- Add option to snap objects to a grid for better organization


## Frequently asked questions

### Is PCalc Lite free?

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

### Is Tydlig free?

Tydlig costs $1.99, with no in-app purchases.

### Which has better reviews, PCalc Lite or Tydlig?

Tydlig is rated higher. PCalc Lite averages 4.4 out of 5 from 214 ratings, while Tydlig averages 4.8 from 2.6K ratings.

### Do PCalc Lite or Tydlig have ads?

Neither PCalc Lite nor Tydlig shows ads.

### Which is updated more often, PCalc Lite or Tydlig?

PCalc Lite ships an update every 2 months, and Tydlig monthly. Most recently, PCalc Lite was updated on October 18, 2026 and Tydlig on October 18, 2026.

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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.*