# Average Calculator HD vs KnowBe4 Learner App

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.

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.

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.

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.

## The numbers

| Metric | Average Calculator HD | KnowBe4 Learner App |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/average-calculator-hd/id368751895/reviews) | **[4.0 (52 ratings)](https://appshunter.io/ios/app/knowbe4-learner-app/id1592297320/reviews)** |
| Number of ratings | 1 | **52** |
| Positive reviews | — | 43.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 25 months | **Every 6 weeks** |
| Monetization | Paid | **Free** |
| Size | 1 MB | 65 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Piet Jonas](https://appshunter.io/developer/288060167) | [KnowBe4](https://appshunter.io/developer/1504299947) |

## What reviewers say

### Average Calculator HD

[App page](https://appshunter.io/ios/app/average-calculator-hd/id368751895)

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:** macOS Compatibility

**In-app purchases:** none


### KnowBe4 Learner App

[App page](https://appshunter.io/ios/app/knowbe4-learner-app/id1592297320)

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

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*