# Average Calculator vs Calculate Standard Deviation

The clearest difference is review sentiment: Calculate Standard Deviation at 50% against Average Calculator's 0%. Calculate Standard Deviation also leads on price (Free vs $0.99) and rating (4.5 vs 1.0). Average Calculator's advantage is in-app purchases (none vs 1) and ads (none vs shown). On update cadence and device support there is nothing between them.

Calculate Standard Deviation is free to download; Average Calculator costs $0.99 up front. Calculate Standard Deviation sells 1 one-off in-app purchase. Average Calculator asks for nothing beyond the download.

Calculate Standard Deviation holds the better App Store score, 4.5 against 1.0. That said, the two scores are not equally well evidenced: Calculate Standard Deviation has 62 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Average Calculator's written reviews are positive against 50% of Calculate Standard Deviation's.

Average Calculator ships an update every 13 months, Calculate Standard Deviation every 7 months. The most recent releases landed on September 14, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Average Calculator | Calculate Standard Deviation |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/average-calculator/id305616149/reviews) | **[4.5 (62 ratings)](https://appshunter.io/ios/app/calculate-standard-deviation/id1591420646/reviews)** |
| Number of ratings | 1 | **62** |
| Positive reviews | 0.0% of reviews | **50.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 13 months | **Every 7 months** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 1 MB | 39 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Piet Jonas](https://appshunter.io/developer/288060167) | [Asad Ahsan](https://appshunter.io/developer/1326954499) |

## What reviewers say

### Average Calculator

[App page](https://appshunter.io/ios/app/average-calculator/id305616149)

This app calculates various statistical measures including arithmetic mean, geometric mean, harmonic mean, standard deviation, and confidence interval for a given set of numbers. Results can be easily shared via email.

**Highlights:** Arithmetic mean calculation, Geometric mean calculation, Harmonic mean calculation, Standard deviation calculation, Confidence interval calculation, Email results

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Calculate Standard Deviation

[App page](https://appshunter.io/ios/app/calculate-standard-deviation/id1591420646)

This app calculates standard deviation, variance, and other statistical measures for a given set of values. It simplifies complex statistical formulas with a user-friendly interface and accurate results.

**Highlights:** Calculate Standard Deviation, Calculate Variance, Calculate Mean, Calculate Coefficient of Variance, Calculate Standard Error of Mean, User-friendly interface, Accurate statistical results

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Standard Deviation Premium | $4.99 | one-time |


## Frequently asked questions

### Is Average Calculator free?

Average Calculator costs $0.99, with no in-app purchases.

### Is Calculate Standard Deviation free?

Calculate Standard Deviation is free to download, with in-app purchases available.

### Which has better reviews, Average Calculator or Calculate Standard Deviation?

Calculate Standard Deviation is rated higher. Average Calculator averages 1.0 out of 5 from 1 ratings, while Calculate Standard Deviation averages 4.5 from 62 ratings.

### Do Average Calculator or Calculate Standard Deviation have ads?

Calculate Standard Deviation shows ads; Average Calculator does not.

### Which is updated more often, Average Calculator or Calculate Standard Deviation?

Average Calculator ships an update every 13 months, and Calculate Standard Deviation every 7 months. Most recently, Average Calculator was updated on September 14, 2026 and Calculate Standard Deviation on September 22, 2026.

---

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