# Statistics Calculator vs Critical Value Calculator

The clearest difference is in-app purchases: Critical Value Calculator at none against Statistics Calculator's 2. Critical Value Calculator also leads on iOS requirement (10.0 vs 15.6). Statistics Calculator's advantage is update cadence (every 21 months vs every 43 months). On price, ads and device support there is nothing between them.

Both are free to download. Statistics Calculator sells 2 one-off in-app purchases. Critical Value Calculator asks for nothing beyond the download.

Statistics Calculator ships an update every 21 months, Critical Value Calculator every 43 months. The most recent releases landed on November 2, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Statistics Calculator | Critical Value Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (317 ratings)](https://appshunter.io/ios/app/statistics-calculator/id1185124478/reviews)** | — |
| Number of ratings | **317** | — |
| Positive reviews | 57.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 21 months** | Every 43 months |
| Monetization | Free with in-app purchases | — |
| Size | 4 MB | 25 MB |
| Requires iOS | 15.6 | **10.0** |
| Devices | iPhone, iPod | **iPhone, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Dogahe](https://appshunter.io/developer/468657946) | [Ahmad Sattar](https://appshunter.io/developer/1458483953) |

## 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 |


### Critical Value Calculator

[App page](https://appshunter.io/ios/app/critical-value-calculator/id1612016227)

**In-app purchases:** none


## Frequently asked questions

### Is Statistics Calculator free?

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

### Is Critical Value Calculator free?

Critical Value Calculator is free to download, with no in-app purchases.

### Do Statistics Calculator or Critical Value Calculator have ads?

Neither Statistics Calculator nor Critical Value Calculator shows ads.

### Which is updated more often, Statistics Calculator or Critical Value Calculator?

Statistics Calculator ships an update every 21 months, and Critical Value Calculator every 43 months. Most recently, Statistics Calculator was updated on November 2, 2026 and Critical Value Calculator on October 27, 2026.

---

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