# SAPO vs Power & Sample Size

The clearest difference is in-app purchases: Power & Sample Size at none against SAPO's 2. SAPO's advantage is iOS requirement (13.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. SAPO sells 2 in-app purchases, starting at $2.99 per month. Power & Sample Size asks for nothing beyond the download.

## The numbers

| Metric | SAPO | Power & Sample Size |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/power-and-sample-size/id6802436519/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 62 MB | 0 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BIOMAXIMA INFORMACION Y EXPERIMENTACION CIENTIFICA SOCIEDAD LIMITADA](https://appshunter.io/developer/1794186533) | [Mario ROEDERER](https://appshunter.io/developer/6795195521) |

## What reviewers say

### SAPO

[App page](https://appshunter.io/ios/app/sapo-ai-statistical-assistant/id6741438601)

This app offers advanced statistical analysis tools for researchers and students. It includes guided test selection, modeling, data visualization, and an AI assistant for interpretation. Generate publication-ready reports and calculate sample sizes.

**Highlights:** Statistical Test Guidance, Advanced Modeling Tools, Integrated AI Assistant, Database Manager, Sample Size Calculator, Automatic PDF Reports, Data Visualization

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $2.99 | per month |
| Yearly subscription | $22.99 | per year |


### Power & Sample Size

[App page](https://appshunter.io/ios/app/power-and-sample-size/id6802436519)

This app calculates necessary group sizes for statistical studies or determines the statistical power of a study based on existing group sizes. It's a tool for researchers and students to ensure their studies have adequate statistical validity.

**Highlights:** Determine group sizes for desired power, Calculate power for given group sizes, Supports statistical research planning, User-friendly interface

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

**In-app purchases:** none


## Frequently asked questions

### Is SAPO free?

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

### Is Power & Sample Size free?

Power & Sample Size is free to download, with no in-app purchases.

### Do SAPO or Power & Sample Size have ads?

Neither SAPO nor Power & Sample Size shows ads.

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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.*