# IntroStat vs Member IMC2

The clearest difference is in-app purchases: Member IMC2 at none against IntroStat's 1. Member IMC2 also leads on ads (none vs shown). IntroStat's advantage is update cadence (every 3 months vs every 16 months) and iOS requirement (11.0 vs 16.4). On price and device support there is nothing between them.

Both are free to download. IntroStat sells 1 one-off in-app purchase. Member IMC2 asks for nothing beyond the download.

IntroStat ships an update every 3 months, Member IMC2 every 16 months. The most recent releases landed on October 5, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | IntroStat | Member IMC2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (24 ratings)](https://appshunter.io/ios/app/introstat-statistics-solver/id1592602025/reviews)** | — |
| Number of ratings | **24** | — |
| Positive reviews | 92.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 months** | Every 16 months |
| Monetization | Free with in-app purchases | — |
| Size | 38 MB | 49 MB |
| Requires iOS | **11.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Zhiyi Zhang](https://appshunter.io/developer/1592602327) | [The Members](https://appshunter.io/developer/1653824858) |

## What reviewers say

### 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 |


### Member IMC2

[App page](https://appshunter.io/ios/app/member-imc2/id6744936104)

**In-app purchases:** none


## Frequently asked questions

### Is IntroStat free?

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

### Is Member IMC2 free?

Member IMC2 is free to download, with no in-app purchases.

### Do IntroStat or Member IMC2 have ads?

IntroStat shows ads; Member IMC2 does not.

### Which is updated more often, IntroStat or Member IMC2?

IntroStat ships an update every 3 months, and Member IMC2 every 16 months. Most recently, IntroStat was updated on October 5, 2026 and Member IMC2 on October 9, 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.*