# Sample Size Calculator App vs Statistics AI

The clearest difference is price: Statistics AI at Free against Sample Size Calculator App's $0.99. Statistics AI also leads on rating (5.0 vs 3.5). Sample Size Calculator App's advantage is in-app purchases (none vs 3) and iOS requirement (8.0 vs 15.1). On ratings volume, update cadence, ads and device support there is nothing between them.

Statistics AI is free to download; Sample Size Calculator App costs $0.99 up front. Statistics AI sells 3 in-app purchases, starting at $4.99 per 7 days. Sample Size Calculator App asks for nothing beyond the download.

Statistics AI holds the better App Store score, 5.0 against 3.5. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

Sample Size Calculator App ships an update every 8 months, Statistics AI every 5 months. Both last shipped on October 10, 2026.

## The numbers

| Metric | Sample Size Calculator App | Statistics AI |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [3.5 (2 ratings)](https://appshunter.io/ios/app/sample-size-calculator-app/id540050554/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/statistics-ai-math-solver/id6755013446/reviews)** |
| Number of ratings | 2 | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 5 months** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 2 MB | 32 MB |
| Requires iOS | **8.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [LHC Apps](https://appshunter.io/developer/540050557) | [Shivam Tripathi](https://appshunter.io/developer/1821411787) |

## What reviewers say

### Sample Size Calculator App

[App page](https://appshunter.io/ios/app/sample-size-calculator-app/id540050554)

This app calculates sample sizes for statistical studies. It dynamically adjusts the sample size based on user inputs for margin of error, confidence level, population size, and proportion.

**Highlights:** Dynamic sample size calculation, Adjustable margin of error, Configurable confidence level, Population size input, Proportion input

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

**In-app purchases:** none


### Statistics AI

[App page](https://appshunter.io/ios/app/statistics-ai-math-solver/id6755013446)

This app acts as an AI-powered statistics tutor, offering step-by-step solutions to problems via photo recognition. It includes interactive chat, practice quizzes, flashcards, and a problem library to aid learning and track progress.

**Highlights:** Photo recognition for instant problem solving, Interactive AI chat for follow-up questions, Gamified learning with quizzes and flashcards, Progress tracking and achievement system, Comprehensive coverage of statistics topics, Offline access to saved problems

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Statistics Helper | $4.99 | per 7 days |
| Statistics Helper | $29.99 | per year |
| Statistics Lifetime | $79.99 | one-time |


## Frequently asked questions

### Is Sample Size Calculator App free?

Sample Size Calculator App costs $0.99, with no in-app purchases.

### Is Statistics AI free?

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

### Which has better reviews, Sample Size Calculator App or Statistics AI?

Statistics AI is rated higher. Sample Size Calculator App averages 3.5 out of 5 from 2 ratings, while Statistics AI averages 5.0 from 2 ratings.

### Do Sample Size Calculator App or Statistics AI have ads?

Neither Sample Size Calculator App nor Statistics AI shows ads.

### Which is updated more often, Sample Size Calculator App or Statistics AI?

Sample Size Calculator App ships an update every 8 months, and Statistics AI every 5 months. Most recently, Sample Size Calculator App was updated on October 10, 2026 and Statistics AI on October 10, 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.*