Comparison

FrogShield vs Standard Deviation

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

Head to head
About

FrogShield

This app allows users to make emergency calls and submit tips to law enforcement. It also provides a feature to monitor the safety of friends.

Highlights
  • Emergency call functionality
  • Submit tips to police
  • Friend safety monitoring
  • Cross-device compatibility
Read full description

Make emergency calls, submit important tips to police, keep an eye out for your friends, all here in the FrogShield mobile app.

About

Standard Deviation

Easily calculate standard deviation with this iOS app. Enter your data values, choose between sample or population calculations, and get step-by-step results instantly. It offers a unique and attractive design for a seamless user experience.

Highlights
  • Calculate sample and population standard deviation
  • Enter comma-separated data values
  • View step-by-step solutions
  • Calculate mean, deviation, and variance
  • Unique and attractive design
  • Reset function for new data
Read full description

SD calculator is an iOS application developed for the calculation of standard deviation problems. It includes entering data values and selecting the type of standard deviation i.e. sample or population. Features of standard deviation calculator Design The design of this application is unique and its style and theme are attractive. This app is designed to top all the other apps out there in the design department. Input field The input field is easy to use to enter data and get the result. Simply, add the comma-separated values and choose the type of standard deviation. Multiple options There are multiple options available in this application as you can get the mean, sample standard deviation, population standard deviation, deviation (difference of data values from the mean), square of deviation, sample variance, and population variance. Results The step-by-step solution will be provided just after hitting the calculate button for the sample and population data. This will help you to ease up the lengthy and time-consuming calculation in a fraction of a second. How to use a standard deviation calculator? This application is easy to use, but just in case you need a guide, here it is. • First of all, enter the comma-separated values into the input box. • Select the type of the standard deviation i.e. sample or population. • Press the calculate button. • The step-by-step result will show just after pressing the calculate button • Hit the reset button to enter new data.

Screenshots

FrogShield3 screens
Standard Deviation4 screens

Verdict

The call

The clearest difference is rating: FrogShield at 4.6 against Standard Deviation's 1.0. FrogShield also leads on ratings volume (20 vs 1). On price, update cadence, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

FrogShield holds the better App Store score, 4.6 against 1.0. That said, the two scores are not equally well evidenced: FrogShield has 20 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

FrogShield ships an update every 4 months, Standard Deviation every 2 months. Both last shipped on November 3, 2026.

Scorecard2 real differences · 7 level
FrogShield versus Standard Deviation: the parameters behind the verdict, then further details
ParameterFrogShieldStandard Deviation
PriceFreeFree
Rating4.6 (20 ratings) — better1.0 (1 ratings)
Number of ratings20 — better1
Update frequencyEvery 4 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod, Apple WatchiPhone, iPad, iPod, Mac
Requires iOS13.213.0 — better
Further details — not scored
Size43 MB21 MB
Age rating4+4+
DeveloperTexas Christian UniversityAhmad Sattar

In-app purchases

None

FrogShield

No in-app purchases

None

Standard Deviation

No in-app purchases

Questions

Is FrogShield free?
FrogShield is free to download, with no in-app purchases.
Is Standard Deviation free?
Standard Deviation is free to download, with no in-app purchases.
Which has better reviews, FrogShield or Standard Deviation?
FrogShield is rated higher. FrogShield averages 4.6 out of 5 from 20 ratings, while Standard Deviation averages 1.0 from 1 ratings.
Do FrogShield or Standard Deviation have ads?
Neither FrogShield nor Standard Deviation shows ads.
Which is updated more often, FrogShield or Standard Deviation?
FrogShield ships an update every 4 months, and Standard Deviation every 2 months. Most recently, FrogShield was updated on November 3, 2026 and Standard Deviation on November 3, 2026.

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