Calculator PanecalST Plus vs AClock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calculator PanecalST Plus
This calculator app allows you to view and edit complex formulas with ease. It prevents errors by letting you check input as you go and reuse past calculations by modifying values. Navigate and edit expressions quickly with a cursor and intuitive controls.
- Formula editing with cursor
- Re-calculation using history
- Time, tax, and percentage calculations
- Cut, copy, and paste functionality
- Expression and answer history
- Customizable settings
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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.
AClock
This minimalist clock app offers a customizable full-screen display with options for flip or classic digital styles. It includes productivity tools like a stopwatch, countdown, and Pomodoro timer, along with personalized features such as countdowns to important dates and customizable slogans. The app is designed for extreme power saving and eye protection with a night mode.
- Flip and classic digital clock styles
- Stopwatch, countdown, and Pomodoro timer
- Countdown to dates and anniversaries
- Customizable colors, fonts, and slogans
- Night mode for eye protection
- 12/24 hour system support
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AClock is a fully functional, minimalist design, extreme power saving, lightweight and efficient clock app. special function: 1. Switch between page turning clock and classic digital clock as you like 2. Built-in convenient stopwatch, countdown, Pomodoro 3. Display of countdown days and anniversaries to create your own personalized clock 4. Customize the font color and size, and customize the background color 5. Customize your inspirational slogan to encourage your dedicated self~ 6. Date, second, motivational slogan, custom display 7. Support night mode, more eye protection 8. Support 12-hour system and 24-hour system 9. Extremely power saving, all-round optimization, escort the power 10. Countdown to the exam
Screenshots
Verdict
The clearest difference is update cadence: AClock at fortnightly against Calculator PanecalST Plus's every 4 months. AClock also leads on review sentiment (94% vs 82%) and price ($0.99 vs $1.99). Calculator PanecalST Plus's advantage is rating (4.9 vs 4.6). On ratings volume, ads, in-app purchases and monetization model 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
Calculator PanecalST Plus costs $1.99 and AClock $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Calculator PanecalST Plus holds the better App Store score, 4.9 against 4.6. Both are backed by a comparable volume of ratings — 16 and 11 respectively. Written reviews complicate that: 82% of Calculator PanecalST Plus's written reviews are positive against 94% of AClock's, so the app with the better star average is not the one people write more warmly about.
Calculator PanecalST Plus ships an update every 4 months, AClock fortnightly. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.
| Parameter | Calculator PanecalST Plus | AClock |
|---|---|---|
| Price | $1.99 | $0.99 — better |
| Rating | 4.9 (16 ratings) — better | 4.6 (11 ratings) |
| Positive reviews | 82.4% of reviews | 93.5% of reviews — better |
| Number of ratings | 16 — better | 11 |
| Update frequency | Every 4 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 12.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 17 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Noriyasu Kutsuzawa | Zhengzhou Sibo Intelligent Technology Co., Ltd. |
Customer experience
Calculator PanecalST Plus
AClock
In-app purchases
Calculator PanecalST Plus
No in-app purchases
AClock
No in-app purchases
Questions
Is Calculator PanecalST Plus free?
Is AClock free?
Which has better reviews, Calculator PanecalST Plus or AClock?
Do Calculator PanecalST Plus or AClock have ads?
Which is updated more often, Calculator PanecalST Plus or AClock?
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