Calculator HD++ vs Calculator PanecalST
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- High precision calculation engine
- Results displayed while typing
- Multiple undo functionality
- Workspace switching
- Persistent history
- AirPrint compatibility
- Email history sharing
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- 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 !
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.
- 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
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
Calculator HD++ ships an update monthly, Calculator PanecalST every 3 months. Both last shipped on November 6, 2026.
| Parameter | Calculator HD++ | Calculator PanecalST |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (277 ratings) | 4.8 (98 ratings) — better |
| Positive reviews | 81.6% of reviews — better | 66.7% of reviews |
| Number of ratings | 277 — better | 98 |
| Update frequency | Monthly — better | Every 3 months |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported | Ad-supported |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad, iPod |
| Requires iOS | 10.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 35 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | smalltech sarl | Noriyasu Kutsuzawa |
Customer experience
Calculator HD++
Calculator PanecalST
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
Calculator HD++
No in-app purchases
Calculator PanecalST
No in-app purchases
Questions
Is Calculator HD++ free?
Is Calculator PanecalST free?
Which has better reviews, Calculator HD++ or Calculator PanecalST?
Do Calculator HD++ or Calculator PanecalST have ads?
Which is updated more often, Calculator HD++ or Calculator PanecalST?
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