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Standard Deviation Calculator

App Store·UtilitiesFree + IAP2.38 (24)launched 12.7y agoapp updated 9.8y ago
Scout Score
7

Standard Deviation Calculator generates an estimated $6–$30/month in revenue from 10–60 downloads/month on the App Store, according to AppCurrents estimates (updated 2026-06-19).

Estimates updated 19.06.2026 · How we estimate · Ranges reflect model confidence, not exact figures.
Est. revenue / month$6–$30
Est. downloads / month10–60
Estimate confidencemedium
PricingFree + IAP
Rating2.38 ★ (24 ratings)
CategoryUtilities
Released15.10.2013
App last updated05.09.2016
PlatformiOS
Est. downloads / mo
10–60
Est. revenue / mo
$6–$30
Rating velocity / day
0
Chart velocity
Peak rank
Days tracked

Modeled monthly estimate · rating velocity · medium confidence

About

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…

Trends & analysis

Chart rank trend

US · overall
Collecting rank historyno snapshots so far. Fills in twice daily.

Why it's surfacing

Scout 7
Newness
3
Breakout
0

Ratings & velocity

Total ratings
24
Jun 13
New ratings / day
Collecting historyno snapshots so far. Fills in twice daily.

Rating distribution

29% positive · 24 ratings
5
29%
4
0%
3
8%
2
4%
1
58%

Geographic reach

best rank · 0 storefronts
Collecting storefront coverageno snapshots so far. Fills in twice daily.

Revenue & downloads trend

ARPU $0
Est. revenue / mo · $12
$12$0
Jun 7Jun 19
Est. downloads / mo · 26
260
Jun 7Jun 19

Update history

1 update tracked
  • v2.19.8y ago

    This update from Apple will improve the functionality of this app. No new features are included. Fixed some calculation issues with the five number summary. Small UI changes

Standard Deviation Calculator — FAQ

How much money does Standard Deviation Calculator make?

According to AppCurrents estimates, Standard Deviation Calculator generates approximately $6–$30 per month (medium confidence), modeled from its the App Store chart performance, rating velocity, and monetization signals.

How many downloads does Standard Deviation Calculator get?

Standard Deviation Calculator sees an estimated 10–60 downloads per month on the App Store, per AppCurrents modeling.

Is Standard Deviation Calculator free?

Standard Deviation Calculator is free to download on the App Store, monetizing through in-app purchases.

What is Standard Deviation Calculator's rating?

Standard Deviation Calculator holds a 2.38-star average from 24 ratings on the App Store.

When was Standard Deviation Calculator released?

Standard Deviation Calculator launched on the App Store on 15.10.2013. Its latest version shipped 05.09.2016.

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