PCalc Lite vs Calc²
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PCalc Lite
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.
- Optional RPN mode
- Multiple undo and redo
- Unit conversions and constants
- Two stylish themes
- Apple Watch app
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PCalc is the powerful choice for scientists, engineers, students, programmers, or indeed anybody looking for a feature rich calculator. It includes an optional RPN mode and multi-line display, a choice of button layouts, an extensive set of unit conversions and constants, a paper tape, multiple undo and redo, engineering and scientific notation, as well as support for hexadecimal, octal, and binary calculations.PCalc Lite is a fully functional and free taste of our very popular scientific calculator. It includes an optional RPN mode, multiple undo and redo, unit conversions and constants, as well as two stylish themes and our highly praised design. A great choice for your new iPad! If you like what you see, the full version has many more settings and themes, a paper tape, engineering and scientific notation, and full support for hexadecimal, octal, and binary calculations. You can also now purchase extra features directly from inside PCalc Lite. Buy them individually, or buy everything. Includes an Apple Watch app, so you can calculate on your wrist!
Calc²
A customizable, one-handed calculator designed for iPad. Easily switch layouts for left-handed use and adjust decimal places and animations. Personalize themes that also change the app icon.
- One-handed typing support
- Left-handed layout option
- Copy/Paste functionality
- Calculation history
- Customizable themes and app icons
- Adjustable decimal places
- Adjustable animations
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Calc² is a minimalistic calculator for the iPad that offers plenty of customization to cater to your own style. The number pad is designed so that you can hold the iPad and type with one hand, and if you are left-handed, you can move the number pad to the left. Calc² features: •Left handed supported •One-Handed supported •Copy/Paste support •History •Themes that also change the App Icon •Adjustable decmail places •Adjustable animations •Landscape/Portrait support
Screenshots
Verdict
The clearest difference is rating: Calc² at 5.0 against PCalc Lite's 4.4. Calc² also leads on in-app purchases (none vs 11) and update cadence (every 11 days vs every 2 months). PCalc Lite's advantage is ratings volume (214 vs 2). On price, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. PCalc Lite sells 11 one-off in-app purchases. Calc² asks for nothing beyond the download.
Calc² holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: PCalc Lite has 214 ratings behind it against 2, so its average is the more settled of the two.
PCalc Lite ships an update every 2 months, Calc² every 11 days. The most recent releases landed on September 28, 2026 and September 18, 2026 respectively.
| Parameter | PCalc Lite | Calc² |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (214 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 82.6% of reviews | — |
| Number of ratings | 214 — better | 2 |
| Update frequency | Every 2 months | Every 11 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod, Apple Watch | iPhone, iPad, iPod, Apple Watch |
| Requires iOS | 15.0 | 11.2 — better |
| Further details — not scored | ||
| Size | 76 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | TLA Systems Ltd. | Manar Alhamdy |
Customer experience
PCalc Lite
Calc²
Bugs and requests
PCalc Lite
Reported bugs
3 issues- Calculations sometimes produce unexpected results
- Upside-down text censorship feature is problematic
- Purchased features not always accessible on Apple Watch
Requested features
4 requests- 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
Calc²
Not enough reviews yet to summarise bugs or requests.
In-app purchases
PCalc Lite
- Theme Pack$0.99
- Power User Pack$0.99
- Multiple Line Pack$0.99
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- Conversion Pack$0.99
- Small Tip$0.99
- Medium Tip$1.99
- Programmer Pack$2.99
- Engineer Pack$2.99
- Large Tip$4.99
- Complete Pack$9.99
- Enormous Tip$9.99
Calc²
No in-app purchases
