Comparison

Calculator HD++ vs Calculator PanecalST

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

Head to head
About

Calculator HD++

This application offers a high-precision calculation engine with a user-friendly interface. It allows for real-time result display as formulas are typed, supports multiple undo actions, and enables easy switching between workspaces. Users can also access persistent history, print calculations via AirPrint, and share history via email.

Highlights
  • High precision calculation engine
  • Results displayed while typing
  • Multiple undo functionality
  • Workspace switching
  • Persistent history
  • AirPrint compatibility
  • Email history sharing
Features
Read full description

- It is simple, easy to use and well designed - High precision engine - Result is displayed while typing the formula - Multiple undo - Switch between workspaces ! - Persistent history - Specialized keypad for iPhone and iPad - Supports bluetooth keyboard - Right or left-handed mode - Print easily with AirPrint - Share history by e-mail - it is FREE !

About

Calculator PanecalST

This calculator allows you to view and edit complex formulas with ease. It prevents errors by letting you check entries as you type and reuse past calculations by modifying values. Navigate and edit expressions quickly with a cursor and intuitive controls.

Highlights
  • Edit formulas as you type
  • Reuse past calculations
  • Navigate and edit with cursor
  • Cut, copy, and paste expressions
  • Time and tax calculations
  • History of expressions and answers
Features
Read full description

This is calculator app that allows you to display and modify formulas. It allows you to enter formulas while checking them, which prevents you from typing incorrectly or making calculation errors. It is also possible to reuse past formulas to change only certain values to calculate them. The cursor indicates on the display, and you can tap or press the arrow keys to quickly navigate to where you want to edit. It has a powerful, flexible and intuitive user interface with support for swiping to scroll through formulas and long-tap to copy and paste. [ Features ] - Easy operation for editing formulas - Re-calculation by using history - Four arithmetic operations, root, percentages, time, tax and parentheses calculations - Memory, M+, M-, MR, MC - Scroll up/down lines - Cut, copy and paste - Expressions history and answer history - Grouping separator and decimal point - Various settings (Long tap MENU key) [ What do you use "Calculator" for ] - General calculator - Tax and VAT - Sales, profit and cost - Split a payments at restaurant - Long formulas calculation - Formula include parenthesis - Elapsed time, time addition and subtraction, production time, costing from time [ Four arithmetic operations ] 1 + 2 - 3 × 4 ÷ 5 = 0.6   [ Time calculation ] 16:15 - 12:45 = 3:30:00 1.5 × (16:15 - 12:45) = 5:15:00 Press [H:M:S] key for changing value after calculation. =5.25 [ Root calculation (Long press)] √( 2 × 2) = 2   [ Percentage calculation ] 500 + 20% = 600 500 - 20% = 400 500 × 20% = 100 100 ÷ 500% = 20   [ Tax calculation ] 500 Tax+ = 525 525 Tax- = 500   [ Parenthesis calculation ] ( 1 + 2 ) × ( 3 + 4 ) = 21 ( 1 + 2 ) ( 3 + 4 ) ( 5 + 6 ) = 231   [ Grouping separator and decimal point ] 123,456,789.1 + 0.02 = 123,456,789.12 123.456.789,1 + 0,02 = 123.456.789,12 (Depends on setting)   [ Display ] Calculator indicates long expressions on the display. If you may mistake to input expressions, you can correct this expressions easily and quickly using by back space key, arrow keys and C(clear) key. [ Re-play and history functions ] Calculator has "Re-play function". It indicates expressions that you inputted in the recently using by △(re-play)key. If you long-press re-play key, expressions history table is available. [ Last answer and history functions ] Last answer is that indicates the last calculation result by using Ans key. If you long-press Ans key, a last answer history table is available. [ Percent calculator ] If you would like to calculate “20% more $50”, you can input 50+20% and get a result. [ Tax calculator ] This calculator can store tax rate in the setting. And you can get price including / excluding tax easily and quickly using by Tax+/Tax- keys. [ Disclaimer ] Please note in advance that Appsys is not responsible for any damage or lost profits caused by the use of this software, or any claims from third parties.

Screenshots

Calculator HD++1 screens
Calculator PanecalST4 screens

Verdict

The call

The clearest difference is rating: Calculator PanecalST at 4.8 against Calculator HD++'s 4.4. Calculator HD++'s advantage is update cadence (monthly vs every 3 months) and review sentiment (82% vs 67%). On price, ratings volume, ads and in-app purchases 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Calculator PanecalST holds the better App Store score, 4.8 against 4.4. Both are backed by a comparable volume of ratings — 277 and 98 respectively. Written reviews complicate that: 82% of Calculator HD++'s written reviews are positive against 67% of Calculator PanecalST's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Calculator HD++ ships an update monthly, Calculator PanecalST every 3 months. Both last shipped on November 6, 2026.

Scorecard4 real differences · 6 level
Calculator HD++ versus Calculator PanecalST: the parameters behind the verdict, then further details
ParameterCalculator HD++Calculator PanecalST
PriceFreeFree
Rating4.4 (277 ratings)4.8 (98 ratings) — better
Positive reviews81.6% of reviews — better66.7% of reviews
Number of ratings277 — better98
Update frequencyMonthly — betterEvery 3 months
AdsYesYes
In-app purchasesNoNo
MonetizationAd-supportedAd-supported
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS10.0 — better12.0
Further details — not scored
Size35 MB33 MB
Age rating4+4+
Developersmalltech sarlNoriyasu Kutsuzawa

Customer experience

Calculator HD++

All ratings277 ratings
Positive84.5%
Neutral6.1%
Negative9.4%
Written reviews354 reviews
Positive81.6%
Neutral5.4%
Negative13.0%

Calculator PanecalST

All ratings95 ratings
Positive95.8%
Neutral2.1%
Negative2.1%
Written reviews33 reviews
Positive66.7%
Neutral9.1%
Negative24.2%

Bugs and requests

Calculator HD++

Reported bugs

2 issues
  • Crashes after recent update
  • Incompatibility with Bluetooth keyboards

Requested features

3 requests
  • Option to remove ads
  • Ability to switch to hexadecimal mode
  • Larger buttons for easier use

Calculator PanecalST

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Calculator HD++

No in-app purchases

None

Calculator PanecalST

No in-app purchases

Questions

Is Calculator HD++ free?
Calculator HD++ is free to download, with no in-app purchases.
Is Calculator PanecalST free?
Calculator PanecalST is free to download, with no in-app purchases.
Which has better reviews, Calculator HD++ or Calculator PanecalST?
Calculator PanecalST is rated higher. Calculator HD++ averages 4.4 out of 5 from 277 ratings, while Calculator PanecalST averages 4.8 from 98 ratings.
Do Calculator HD++ or Calculator PanecalST have ads?
Both Calculator HD++ and Calculator PanecalST show ads.
Which is updated more often, Calculator HD++ or Calculator PanecalST?
Calculator HD++ ships an update monthly, and Calculator PanecalST every 3 months. Most recently, Calculator HD++ was updated on November 6, 2026 and Calculator PanecalST on November 6, 2026.

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