Calculator PanecalST vs Standard Deviation Calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
Standard Deviation Calc
Calculate standard deviation for sample or population data. Input numerical values to find standard deviation, count, sum, mean, variance, and more. Get quick statistical insights with this easy-to-use tool.
- Calculate standard deviation
- Sample or population data
- Compute mean and variance
- Count numerical values
- Sum of numbers
- List of differences
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Use this app to calculate standard deviation for a population or sample data set. Enter your numerical values, and the app will instantly calculate standard deviation, variance, mean, count, sum, and other supporting statistics. Results are estimates for informational purposes only. We are very happy to serve you. If you have any requests, don't hesitate to contact us. - https://www.facebook.com/phan.nhatdang.3/ - phannhatd@gmail.com
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Verdict
The clearest difference is review sentiment: Calculator PanecalST at 67% against Standard Deviation Calc's 0%. Calculator PanecalST also leads on rating (4.8 vs 3.7) and in-app purchases (none vs 1). Standard Deviation Calc's advantage is ads (none vs shown). On price, update cadence and device support 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. Standard Deviation Calc sells 1 one-off in-app purchase. Calculator PanecalST asks for nothing beyond the download.
Calculator PanecalST holds the better App Store score, 4.8 against 3.7. That said, the two scores are not equally well evidenced: Calculator PanecalST has 95 ratings behind it against 11, so its average is the more settled of the two. Written reviews point the same way: 67% of Calculator PanecalST's written reviews are positive against 0% of Standard Deviation Calc's.
Calculator PanecalST ships an update every 3 months, Standard Deviation Calc every 5 months. The most recent releases landed on October 19, 2026 and October 8, 2026 respectively.
| Parameter | Calculator PanecalST | Standard Deviation Calc |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (95 ratings) — better | 3.7 (11 ratings) |
| Positive reviews | 66.7% of reviews — better | 0.0% of reviews |
| Number of ratings | 95 — better | 11 |
| Update frequency | Every 3 months — better | Every 5 months |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 33 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Noriyasu Kutsuzawa | Phan Nhat Đang |
Customer experience
Calculator PanecalST
Standard Deviation Calc
In-app purchases
Calculator PanecalST
No in-app purchases
Standard Deviation Calc
- Remove ads$1.99
Questions
Is Calculator PanecalST free?
Is Standard Deviation Calc free?
Which has better reviews, Calculator PanecalST or Standard Deviation Calc?
Do Calculator PanecalST or Standard Deviation Calc have ads?
Which is updated more often, Calculator PanecalST or Standard Deviation Calc?
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