Comparison

PCalc vs Haseba Calculator

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

PCalc

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
Read full description

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. Includes an Apple Watch app, so you can calculate on your wrist!

About

Haseba Calculator

This app offers a user-friendly calculator with both basic and scientific functions. It features a clean interface, voice input, and convenient history tracking. Advanced options include memory slots for storing values and applying operations to them.

Highlights
  • Scientific calculator
  • Voice calculator
  • Calculation history
  • Copy and paste functionality
  • Dynamic themes
  • Memory slots with operations
Features
Read full description

While building Haseba, we focused most of our energy on the user interface. We think that the key to any great app is a beautiful, and simple design that works seamlessly with the app's features. • Scientific Calculator • Voice Calculator • History (Swipe down in the display area) • Copy and Paste • Dynamic Light / Dark Themes (and icons) • Larger Buttons Option • Available on Apple Watch Memory Slots • Save a value inside one of 11 memory slots to use them in calculations later • A value may be the result of a previous calculation, or pasted from the clipboard into a memory slot • The process to store a value in a memory slot is very easy and fast, just drag down a memory slot • Copy memory slot value to clipboard • After having a set of occupied memory slots, you can apply one of six different operations on them in one tap: sum, average, product, median, max, min, of the occupied memory slots. ___________________________________________ Terms & Privacy: https://bit.ly/haseba-terms-privacy Need help or have questions? Reach out to us at haseba-app@hotmail.com

Screenshots

PCalc4 screens
Haseba Calculator4 screens

Verdict

The call

The clearest difference is price: Haseba Calculator at Free against PCalc's $9.99. Haseba Calculator also leads on ratings volume (3.8K vs 779). PCalc's advantage is device support (5 vs 3) and iOS requirement (15.0 vs 17.0). On rating, review sentiment, update cadence and ads 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

CostPrice · In-app purchases · Ads · Monetization

Haseba Calculator is free to download; PCalc costs $9.99 up front. PCalc sells 4 one-off in-app purchases and Haseba Calculator sells 7 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for PCalc against 4.6 for Haseba Calculator. Both are backed by a comparable volume of ratings — 779 and 3.8K respectively. Written reviews are what separate them: 83% of PCalc's written reviews are positive against 78% of Haseba Calculator's.

UpkeepUpdate frequency

PCalc ships an update every 6 weeks, Haseba Calculator every 2 months. Both last shipped on November 6, 2026.

Scorecard4 real differences · 6 level
PCalc versus Haseba Calculator: the parameters behind the verdict, then further details
ParameterPCalcHaseba Calculator
Price$9.99Free — better
Rating4.7 (779 ratings) — better4.6 (3.8K ratings)
Positive reviews83.4% of reviews — better78.1% of reviews
Number of ratings7793.8K — better
Update frequencyEvery 6 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod, Apple Watch, Vision Pro — betteriPhone, iPad, Apple Watch
Requires iOS15.0 — better17.0
Further details — not scored
Size83 MB25 MB
Age rating4+4+
DeveloperTLA Systems Ltd.Ahmad Almazeedi

Customer experience

PCalc

All ratings777 ratings
Positive90.9%
Neutral2.7%
Negative6.4%
Written reviews489 reviews
Positive83.4%
Neutral5.5%
Negative11.0%

Haseba Calculator

All ratings3,728 ratings
Positive88.4%
Neutral4.3%
Negative7.4%
Written reviews219 reviews
Positive78.1%
Neutral3.7%
Negative18.3%

Bugs and requests

PCalc

Not enough reviews yet to summarise bugs or requests.

Haseba Calculator

Reported bugs

2 issues
  • Calculation errors with certain inputs
  • Inability to edit or copy results

Requested features

3 requests
  • Add history and editing capabilities
  • Support for hardware keyboard
  • Improve percentage calculation accuracy

In-app purchases

4 purchases

PCalc

One-time4
  • Small Tip$0.99
  • Medium Tip$1.99
  • Large Tip$4.99
Show 1 more
  • Enormous Tip$9.99
7 purchases

Haseba Calculator

Subscriptions3
  • Voice Mode$0.997 Days
  • Haseba Voice Mode$2.991 Month
  • Haseba Voice Mode$19.991 Year
One-time4
  • Unlock Themes & Icons$0.99
  • HasebaPro$2.99
  • HasebaPro$3.99
Show 1 more
  • HasebaPro$4.99

Questions

Is PCalc free?
PCalc costs $9.99, and also offers in-app purchases.
Is Haseba Calculator free?
Haseba Calculator is free to download, with in-app purchases available.
Which has better reviews, PCalc or Haseba Calculator?
PCalc is rated higher. PCalc averages 4.7 out of 5 from 779 ratings, while Haseba Calculator averages 4.6 from 3.8K ratings.
Do PCalc or Haseba Calculator have ads?
Neither PCalc nor Haseba Calculator shows ads.
Which is updated more often, PCalc or Haseba Calculator?
PCalc ships an update every 6 weeks, and Haseba Calculator every 2 months. Most recently, PCalc was updated on November 6, 2026 and Haseba Calculator on November 6, 2026.

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