Comparison

Panecal Scientific Calculator vs Standard Deviation Calc

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

Head to head
About

Panecal Scientific Calculator

This app functions as a scientific calculator, enabling users to input and edit complex formulas with ease. It supports formula history, variable memory, and various number system conversions for accurate calculations.

Highlights
  • Formula editing with cursor and swipe
  • Reuse past formulas
  • Variable memory for calculations
  • Binary, octal, decimal, hexadecimal conversion
  • M+/M- memory functions
  • Angle unit settings (DEG, RAD, GRAD)
Features
Read full description

[Description] Panecal is a scientific calculator app that lets you display and modify formulas. By allowing you to review your formulas as you type, it helps prevent typos and calculation errors. You can also reuse past formulas and utilize variable memory to recalculate by changing only specific values. The on-screen cursor allows you to quickly navigate to where you want to edit by tapping or using the arrow keys. Featuring a powerful, flexible, and intuitive user interface, the app also supports swiping to scroll through formulas and long-pressing to copy and paste. [Features] - Recalculate easily using past formulas - Effortless editing with cursor navigation and screen swiping - Copy and paste formula text - History log for both formulas and calculation results - Binary, octal, decimal, and hexadecimal calculation and conversion (Up to 32-bit) - M+/M- memory functions and variable memory (A–F) - Support for arithmetic operations, inverse trigonometric functions, logarithmic functions, power/root functions, factorials, absolute values, percentage calculations, modulo operations, and polar/cartesian coordinate conversion - Multiple angle units (DEG, RAD, GRAD) -Multiple display formats: Normal (standard), Fix (fixed decimal), Sci (significant figures), and Eng (engineering notation in multiples of 3) -Customizable decimal point characters and grouping separators [Disclaimer] Please note that Appsys accepts no responsibility for any damages, lost profits, or claims from third parties arising from the use of this software.

About

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.

Highlights
  • Calculate standard deviation
  • Sample or population data
  • Compute mean and variance
  • Count numerical values
  • Sum of numbers
  • List of differences
Features
Read full description

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

Screenshots

Panecal Scientific Calculator4 screens
Standard Deviation Calc3 screens

Verdict

The call

The clearest difference is review sentiment: Panecal Scientific Calculator at 76% against Standard Deviation Calc's 0%. Panecal Scientific Calculator also leads on rating (4.8 vs 3.8) and in-app purchases (none vs 1). Standard Deviation Calc's advantage is ads (none vs shown). On price 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Standard Deviation Calc sells 1 one-off in-app purchase. Panecal Scientific Calculator asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Panecal Scientific Calculator holds the better App Store score, 4.8 against 3.8. That said, the two scores are not equally well evidenced: Panecal Scientific Calculator has 2K ratings behind it against 12, so its average is the more settled of the two. Written reviews point the same way: 76% of Panecal Scientific Calculator's written reviews are positive against 0% of Standard Deviation Calc's.

UpkeepUpdate frequency

Panecal Scientific Calculator ships an update every 2 months, Standard Deviation Calc every 5 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

Scorecard8 real differences · 2 level
Panecal Scientific Calculator versus Standard Deviation Calc: the parameters behind the verdict, then further details
ParameterPanecal Scientific CalculatorStandard Deviation Calc
PriceFreeFree
Rating4.8 (2K ratings) — better3.8 (12 ratings)
Positive reviews75.9% of reviews — better0.0% of reviews
Number of ratings2K — better12
Update frequencyEvery 2 months — betterEvery 5 months
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better14.0
Further details — not scored
Size34 MB2 MB
Age rating4+4+
DeveloperNoriyasu KutsuzawaPhan Nhat Đang

Customer experience

Panecal Scientific Calculator

All ratings1,947 ratings
Positive94.9%
Neutral2.3%
Negative2.8%
Written reviews672 reviews
Positive75.9%
Neutral7.0%
Negative17.1%

Standard Deviation Calc

All ratings11 ratings
Positive63.6%
Neutral9.1%
Negative27.3%
Written reviews2 reviews
Positive0.0%
Neutral50.0%
Negative50.0%

Bugs and requests

Panecal Scientific Calculator

Reported bugs

3 issues
  • Inability to switch back from Bin mode
  • Calculation history not scrolling properly
  • Inconsistent behavior with certain operations

Requested features

5 requests
  • Unit conversion tools
  • Customizable font and icon
  • Ability to rotate screen
  • More advanced programming features
  • Improved order of operations handling

Standard Deviation Calc

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Panecal Scientific Calculator

No in-app purchases

1 purchases

Standard Deviation Calc

One-time1
  • Remove ads$1.99

Questions

Is Panecal Scientific Calculator free?
Panecal Scientific Calculator is free to download, with no in-app purchases.
Is Standard Deviation Calc free?
Standard Deviation Calc is free to download, with in-app purchases available.
Which has better reviews, Panecal Scientific Calculator or Standard Deviation Calc?
Panecal Scientific Calculator is rated higher. Panecal Scientific Calculator averages 4.8 out of 5 from 2K ratings, while Standard Deviation Calc averages 3.8 from 12 ratings.
Do Panecal Scientific Calculator or Standard Deviation Calc have ads?
Panecal Scientific Calculator shows ads; Standard Deviation Calc does not.
Which is updated more often, Panecal Scientific Calculator or Standard Deviation Calc?
Panecal Scientific Calculator ships an update every 2 months, and Standard Deviation Calc every 5 months. Most recently, Panecal Scientific Calculator was updated on November 6, 2026 and Standard Deviation Calc on November 3, 2026.

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