Standard Deviation Calculator vs Standard Deviation Calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Standard Deviation Calculator
Calculate statistical measures like standard deviation, mean, variance, and median for a dataset. It also offers population deviation and the ability to compute z-scores based on your input data.
- Calculate standard deviation
- Calculate mean (average)
- Calculate variance
- Calculate population deviation
- Calculate median
- Calculate Q1 & Q3
- Calculate z-score
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Use this app to calculate the standard deviation of a set of values. It will also return the: -mean(average) -variance -population deviation -Median -Q1 & Q3 To add a value to the set press "+Row". When all data are in press "Calculate". Note: Population deviation (n-1) is unbiased, while normal standard deviation (n) is biased. To calulate the z-score enter a number into the z-score tab, then click find z-score. The z-score will be based off the main table.
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 rating: Standard Deviation Calc at 3.7 against Standard Deviation Calculator's 2.4. Standard Deviation Calculator's advantage is review sentiment (20% vs 0%) and update cadence (every 5 weeks vs every 5 months). 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. Standard Deviation Calculator sells 1 one-off in-app purchase and Standard Deviation Calc sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Standard Deviation Calc holds the better App Store score, 3.7 against 2.4. Both are backed by a comparable volume of ratings — 24 and 11 respectively. Written reviews complicate that: 20% of Standard Deviation Calculator's written reviews are positive against 0% of Standard Deviation Calc's, so the app with the better star average is not the one people write more warmly about.
Standard Deviation Calculator ships an update every 5 weeks, Standard Deviation Calc every 5 months. The most recent releases landed on October 4, 2026 and October 8, 2026 respectively.
| Parameter | Standard Deviation Calculator | Standard Deviation Calc |
|---|---|---|
| Price | Free | Free |
| Rating | 2.4 (24 ratings) | 3.7 (11 ratings) — better |
| Positive reviews | 20.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 24 — better | 11 |
| Update frequency | Every 5 weeks — better | Every 5 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 6.1 — better | 14.0 |
| Further details — not scored | ||
| Size | 2 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Keely Hill | Phan Nhat Đang |
Customer experience
Standard Deviation Calculator
Standard Deviation Calc
In-app purchases
Standard Deviation Calculator
- More ResultsFree
Standard Deviation Calc
- Remove ads$1.99
Questions
Is Standard Deviation Calculator free?
Is Standard Deviation Calc free?
Which has better reviews, Standard Deviation Calculator or Standard Deviation Calc?
Do Standard Deviation Calculator or Standard Deviation Calc have ads?
Which is updated more often, Standard Deviation Calculator or Standard Deviation Calc?
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