# Biostats Buddy vs IntroStat

The clearest difference is rating: IntroStat at 4.9 against Biostats Buddy's 3.8. IntroStat also leads on review sentiment (92% vs 50%) and ratings volume (24 vs 4). Biostats Buddy's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. IntroStat sells 1 one-off in-app purchase. Biostats Buddy asks for nothing beyond the download.

IntroStat holds the better App Store score, 4.9 against 3.8. That said, the two scores are not equally well evidenced: IntroStat has 24 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 50% of Biostats Buddy's written reviews are positive against 92% of IntroStat's.

## The numbers

| Metric | Biostats Buddy | IntroStat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (4 ratings)](https://appshunter.io/ios/app/biostats-buddy/id1110450142/reviews) | **[4.9 (24 ratings)](https://appshunter.io/ios/app/introstat-statistics-solver/id1592602025/reviews)** |
| Number of ratings | 4 | **24** |
| Positive reviews | 50.0% of reviews | **92.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 3 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 12 MB | 38 MB |
| Requires iOS | **8.0** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [California State University, Northridge](https://appshunter.io/developer/677332864) | [Zhiyi Zhang](https://appshunter.io/developer/1592602327) |

## What reviewers say

### Biostats Buddy

[App page](https://appshunter.io/ios/app/biostats-buddy/id1110450142)

This app assists with common biostatistics calculations, offering formulas and variable descriptions to aid understanding and retention. It simplifies the process of entering data and finding results for various statistical procedures.

**Highlights:** Biostatistics procedure calculations, Includes formulas, Variable descriptions for retention, User-friendly data entry, Z-scores, One sample z tests, One sample t tests, Two related sample t tests

**Features:** macOS Compatibility

**In-app purchases:** none


### IntroStat

[App page](https://appshunter.io/ios/app/introstat-statistics-solver/id1592602025)

This app serves as a comprehensive statistics calculator and learning tool for introductory statistics courses. It offers a wide range of calculation features, data visualization, and an integrated textbook with formulas and examples.

**Highlights:** Summary statistics calculation, Data visualization (boxplots, histograms), Probability calculations, Hypothesis testing, Confidence intervals, Integrated statistics textbook

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| IntroStat Premium Features | $4.99 | one-time |


## Frequently asked questions

### Is Biostats Buddy free?

Biostats Buddy is free to download, with no in-app purchases.

### Is IntroStat free?

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

### Which has better reviews, Biostats Buddy or IntroStat?

IntroStat is rated higher. Biostats Buddy averages 3.8 out of 5 from 4 ratings, while IntroStat averages 4.9 from 24 ratings.

### Do Biostats Buddy or IntroStat have ads?

IntroStat shows ads; Biostats Buddy does not.

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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.*