# Statistics Calculator vs Standard Deviation Calc

The clearest difference is review sentiment: Statistics Calculator at 57% against Standard Deviation Calc's 0%. Statistics Calculator also leads on rating (4.4 vs 3.7) and ratings volume (317 vs 11). Standard Deviation Calc's advantage is update cadence (every 5 months vs every 21 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Statistics Calculator holds the better App Store score, 4.4 against 3.7. That said, the two scores are not equally well evidenced: Statistics Calculator has 317 ratings behind it against 11, so its average is the more settled of the two. Written reviews point the same way: 57% of Statistics Calculator's written reviews are positive against 0% of Standard Deviation Calc's.

Statistics Calculator ships an update every 21 months, Standard Deviation Calc every 5 months. The most recent releases landed on September 24, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Statistics Calculator | Standard Deviation Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (317 ratings)](https://appshunter.io/ios/app/statistics-calculator/id1185124478/reviews)** | [3.7 (11 ratings)](https://appshunter.io/ios/app/standard-deviation-calc-sd/id1497525733/reviews) |
| Number of ratings | **317** | 11 |
| Positive reviews | **57.1% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 21 months | **Every 5 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 4 MB | 2 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Dogahe](https://appshunter.io/developer/468657946) | [Phan Nhat Đang](https://appshunter.io/developer/1437390098) |

## 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 Calc

[App page](https://appshunter.io/ios/app/standard-deviation-calc-sd/id1497525733)

Calculate standard deviation for sample or population data. Input numerical values to find standard deviation, count, sum, mean, variance, and more. Get quick statistical insights with this easy-to-use tool.

**Highlights:** Calculate standard deviation, Sample or population data, Compute mean and variance, Count numerical values, Sum of numbers, List of differences

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $1.99 | one-time |


## Frequently asked questions

### Is Statistics Calculator free?

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

### Is Standard Deviation Calc free?

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

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

Statistics Calculator is rated higher. Statistics Calculator averages 4.4 out of 5 from 317 ratings, while Standard Deviation Calc averages 3.7 from 11 ratings.

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

Neither Statistics Calculator nor Standard Deviation Calc shows ads.

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

Statistics Calculator ships an update every 21 months, and Standard Deviation Calc every 5 months. Most recently, Statistics Calculator was updated on September 24, 2026 and Standard Deviation Calc on September 21, 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.*