# Statistics Calculator vs Standard Deviation Calculate

The clearest difference is update cadence: Standard Deviation Calculate at every 2 months against Statistics Calculator's every 21 months. Standard Deviation Calculate also leads on monetization model (free vs free with in-app purchases) and review sentiment (67% vs 57%). Statistics Calculator's advantage is ratings volume (317 vs 3). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Statistics Calculator sells 2 one-off in-app purchases and Standard Deviation Calculate sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.4 for Statistics Calculator against 4.3 for Standard Deviation Calculate. That said, the two scores are not equally well evidenced: Statistics Calculator has 317 ratings behind it against 3, so its average is the more settled of the two. Written reviews are what separate them: 57% of Statistics Calculator's written reviews are positive against 67% of Standard Deviation Calculate's.

Statistics Calculator ships an update every 21 months, Standard Deviation Calculate every 2 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Statistics Calculator | Standard Deviation Calculate |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (317 ratings)](https://appshunter.io/ios/app/statistics-calculator/id1185124478/reviews)** | [4.3 (3 ratings)](https://appshunter.io/ios/app/standard-deviation-calculate/id1600862053/reviews) |
| Number of ratings | **317** | 3 |
| Positive reviews | 57.1% of reviews | **66.7% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 21 months | **Every 2 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 4 MB | 5 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Dogahe](https://appshunter.io/developer/468657946) | [天一 邓](https://appshunter.io/developer/1056154014) |

## What reviewers say

### Statistics Calculator

[App page](https://appshunter.io/ios/app/statistics-calculator/id1185124478)

This app provides essential statistical calculations and regression analysis with an intuitive interface. Easily input data, view statistical measures, and perform various regression models. Advanced features are unlocked via in-app purchases.

**Highlights:** List data entry and management, Basic statistical measures (mean, std dev, etc.), Linear, logarithmic, exponential, power regression, Regression model graphing, Probability distributions, Confidence intervals, Hypothesis tests

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access - All Features | $2.99 | one-time |
| Statistics Calculator++ | $2.99 | one-time |


### Standard Deviation Calculate

[App page](https://appshunter.io/ios/app/standard-deviation-calculate/id1600862053)

This utility calculates the standard deviation of a dataset, a key statistical measure of data dispersion. It helps understand how spread out values are from the average, with applications in science, industry, and finance.

**Highlights:** Calculate standard deviation, Measure data dispersion, Understand variation from mean, Applications in science and finance, Statistical analysis tool

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 标准差计算器专业版 | $2.99 | one-time |


## Frequently asked questions

### Is Statistics Calculator free?

Statistics Calculator is free to download, with in-app purchases available.

### Is Standard Deviation Calculate free?

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

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

Statistics Calculator is rated higher. Statistics Calculator averages 4.4 out of 5 from 317 ratings, while Standard Deviation Calculate averages 4.3 from 3 ratings.

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

Neither Statistics Calculator nor Standard Deviation Calculate shows ads.

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

Statistics Calculator ships an update every 21 months, and Standard Deviation Calculate every 2 months. Most recently, Statistics Calculator was updated on October 23, 2026 and Standard Deviation Calculate on October 24, 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.*