PCalc Lite Downloads & RevenuePCalc Lite · App Store

Name: PCalc Lite
Author: TLA Systems Ltd.

Not in any tracked top chart right now.

Updated 8 Nov 2026 · rankings refresh through the day

DeveloperTLA Systems Ltd.

CategoryUtilities

PriceFree

Released19 Dec 2008

Rating★ 4.4 (214)

Version3.15.2

Age rating4+

First seen by us 22 Oct 2026

View on the App Store ↗

PCalc Lite update history & changes

Last change 24 Oct 2026 · 5 events since 19 Dec 2008Full timeline ↓

📦24 OctUpdated to version 3.15.2 🆕21 OctFirst spotted by AppInsider 📦19 OctVersion 3.15 🆕19 DecReleased on the App Store

Full timeline · 5 events

Show 1 small change (size, minimum OS, languages)

28 Oct 2026
✏️
PCalc Lite: app got smaller
381 MB → 83 MB (-78%)
24 Oct 2026
📦
PCalc Lite updated to version 3.15.2
Improved support for iPhone Duo.
Improved the grid view layout for the functions, conversions, and constants.
Added a few more missing conversion units.
Fixed a bug with the trigonometry functions.
Fixed the app icons on… more
21 Oct 2026
🆕
PCalc Lite first spotted by AppInsider
United States (found via search)
19 Oct 2026
📦
PCalc Lite version 3.15
Added support for iOS 27, iPadOS 27, and watchOS 27.
Added support for iPhone Duo and other new devices.
Added an optional grid view layout for the conversions, functions, and constants.
Powers are now worked out from th… more
19 Dec 2008
🆕
PCalc Lite released on the App Store

Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.

Rating

4.4 ★

214 ratings

Measured

PCalc Lite on the App Store

App details

App ID

300311831

Publisher

TLA Systems Ltd.

On the store since

Dec 2008

17 years on the store

Minimum OS

iOS 15.0+

iPhone 6s and later

Devices

iPhone · iPad · Watch

Universal purchase

Content rating

Languages

Size

83 MB

Also listed in

Education

About PCalc Lite

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!

Latest updates

3.15.224 Oct 2026

Improved support for iPhone Duo. Improved the grid view layout for the functions, conversions, and constants. Added a few more missing conversion units. Fixed a bug with the trigonometry functions. Fixed the app icons on older OS versions.

3.1519 Oct 2026

Added support for iOS 27, iPadOS 27, and watchOS 27. Added support for iPhone Duo and other new devices. Added an optional grid view layout for the conversions, functions, and constants. Powers are now worked out from the right, so 2 ^ 3 ^ 2 is 512. Operator precedence now follows mathematical convention more closely. Rounding and truncating are now consistent throughout the app. Fixed a problem with the percentage button. Fixed a problem with the "Last X" button. Fixed a crash with damaged settings files. Fixed a crash with speech when any "Enhanced" or "Premium" voices were installed. Fixed a variety of other small bugs and edge cases. With the "Conversion Pack" installed: Added a "Data Rate" section to the conversions.