Comparison

Average Calculator HD vs KnowBe4 Learner App

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

Head to head
About

Average Calculator HD

This app calculates various statistical measures including arithmetic, geometric, and harmonic means, along with standard deviation and confidence intervals. It allows users to save and manage multiple data sets and share results via email.

Highlights
  • Arithmetic mean calculation
  • Geometric mean calculation
  • Harmonic mean calculation
  • Standard deviation calculation
  • Confidence interval calculation
  • Save and manage data sets
  • Email results
Features
Read full description

Calculates the arithmetic mean, the geometric mean and the harmonic mean as well as the standard deviation and the confidence interval of a set of numbers. Different data sets can be saved and calculated. The calculator results can be emailed.

About

KnowBe4 Learner App

Access your organization's security awareness training from anywhere. Learn anytime, anywhere with continuous access to your training library on your mobile device. Seamlessly resume training started on desktop and stay informed with important user messages.

Highlights
  • Access assigned security awareness training
  • Learn anytime, anywhere
  • Resume training from desktop
  • Browse training library
  • Receive user messages and announcements
  • Seamless learning experience
Read full description

Learn to make smarter security decisions from anywhere with the KnowBe4 Learner App. With the KnowBe4 app you can access your security awareness training assigned by your organization and learn anytime, anywhere. Stay on track to reach your learning goals with easy and continuous access to your organization’s training library right on your mobile device. KnowBe4 enables employees to make smarter security decisions, every day. KnowBe4 is the world’s first and largest New-school security awareness training and simulated phishing platform that helps manage the ongoing problem of social engineering. One Platform, One Learning Experience (LX) Creates a seamless learning experience for learners across both the KnowBe4 web platform and the mobile app. Learners will also be able to browse the KnowBe4 ModStore library and enroll in Optional Training if enabled for your organization. Learners can easily resume training they started on their desktop or laptop. With an intuitive interface, you will be able to navigate between desktop and mobile as you need to in order to complete your training. The KnowBe4 app makes it easy for learners to stay on top of user messages such as custom announcements, and KnowBe4 newsletters like the Scam of the Week and Security Hints and Tip. Support Document: https://support.knowbe4.com/hc/en-us/articles/7154599334419 Terms and Conditions: https://www.knowbe4.com/knowbe4-mobile-app-license-agreement-ios

Screenshots

KnowBe4 Learner App4 screens

Verdict

The call

The clearest difference is price: KnowBe4 Learner App at Free against Average Calculator HD's $0.99. KnowBe4 Learner App also leads on rating (4.0 vs 1.0) and update cadence (every 6 weeks vs every 25 months). Average Calculator HD's advantage is iOS requirement (12.0 vs 15.6). On 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

KnowBe4 Learner App is free to download; Average Calculator HD costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

KnowBe4 Learner App holds the better App Store score, 4.0 against 1.0. That said, the two scores are not equally well evidenced: KnowBe4 Learner App has 52 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Average Calculator HD ships an update every 25 months, KnowBe4 Learner App every 6 weeks. The most recent releases landed on November 1, 2026 and November 14, 2026 respectively.

Scorecard7 real differences · 3 level
Average Calculator HD versus KnowBe4 Learner App: the parameters behind the verdict, then further details
ParameterAverage Calculator HDKnowBe4 Learner App
Price$0.99Free — better
Rating1.0 (1 ratings)4.0 (52 ratings) — better
Positive reviews—43.8% of reviews
Number of ratings152 — better
Update frequencyEvery 25 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPadiPhone, iPad, iPod — better
Requires iOS12.0 — better15.6
Further details — not scored
Size1 MB65 MB
Age rating4+4+
DeveloperPiet JonasKnowBe4

Customer experience

Average Calculator HD

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%

KnowBe4 Learner App

All ratings53 ratings
Positive71.7%
Neutral7.5%
Negative20.8%
Written reviews16 reviews
Positive43.8%
Neutral6.3%
Negative50.0%

In-app purchases

None

Average Calculator HD

No in-app purchases

None

KnowBe4 Learner App

No in-app purchases

Questions

Is Average Calculator HD free?
Average Calculator HD costs $0.99, with no in-app purchases.
Is KnowBe4 Learner App free?
KnowBe4 Learner App is free to download, with no in-app purchases.
Which has better reviews, Average Calculator HD or KnowBe4 Learner App?
KnowBe4 Learner App is rated higher. Average Calculator HD averages 1.0 out of 5 from 1 ratings, while KnowBe4 Learner App averages 4.0 from 52 ratings.
Do Average Calculator HD or KnowBe4 Learner App have ads?
Neither Average Calculator HD nor KnowBe4 Learner App shows ads.
Which is updated more often, Average Calculator HD or KnowBe4 Learner App?
Average Calculator HD ships an update every 25 months, and KnowBe4 Learner App every 6 weeks. Most recently, Average Calculator HD was updated on November 1, 2026 and KnowBe4 Learner App on November 14, 2026.

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