# Calculate Standard Deviation vs Statistics Calculator Plus

The clearest difference is review sentiment: Calculate Standard Deviation at 50% against Statistics Calculator Plus's 0%. Calculate Standard Deviation also leads on price (Free vs $2.99) and update cadence (every 7 months vs every 23 months). Statistics Calculator Plus's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

Calculate Standard Deviation is free to download; Statistics Calculator Plus costs $2.99 up front. Calculate Standard Deviation sells 1 one-off in-app purchase. Statistics Calculator Plus asks for nothing beyond the download.

Calculate Standard Deviation ships an update every 7 months, Statistics Calculator Plus every 23 months. The most recent releases landed on October 20, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Calculate Standard Deviation | Statistics Calculator Plus |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.5 (62 ratings)](https://appshunter.io/ios/app/calculate-standard-deviation/id1591420646/reviews)** | — |
| Number of ratings | **62** | — |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 7 months** | Every 23 months |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | — | **#197** |
| Size | 39 MB | 1 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Asad Ahsan](https://appshunter.io/developer/1326954499) | [Heng Jia Liang](https://appshunter.io/developer/1532000635) |

## What reviewers say

### 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 |


### Statistics Calculator Plus

[App page](https://appshunter.io/ios/app/statistics-calculator-plus/id1632856633)

**Currently charting:** #197 Top Paid · Education (US App Store)

Instantly analyze data with this powerful calculator. It computes statistics, visualizes data with interactive histograms, and provides step-by-step explanations for every result. Ideal for students and educators working with numbers.

**Highlights:** Instant statistical calculations, Interactive histogram visualization, Step-by-step calculation breakdowns, Flexible data input methods, Random data generator, Built-in statistical reference

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

**In-app purchases:** none


## Frequently asked questions

### Is Calculate Standard Deviation free?

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

### Is Statistics Calculator Plus free?

Statistics Calculator Plus costs $2.99, with no in-app purchases.

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

Calculate Standard Deviation shows ads; Statistics Calculator Plus does not.

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

Calculate Standard Deviation ships an update every 7 months, and Statistics Calculator Plus every 23 months. Most recently, Calculate Standard Deviation was updated on October 20, 2026 and Statistics Calculator Plus on October 27, 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.*