# Sample Size Calculator vs Logibx

The clearest difference is iOS requirement: Sample Size Calculator at 9.0 against Logibx's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Sample Size Calculator ships an update every 6 days, Logibx every 8 days. The most recent releases landed on September 19, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Sample Size Calculator | Logibx |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 8 days |
| Size | 24 MB | 67 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Relief Applications](https://appshunter.io/developer/1110805584) | [Saveplex Inc.](https://appshunter.io/developer/1675168124) |

## What reviewers say

### Sample Size Calculator

[App page](https://appshunter.io/ios/app/sample-size-calculator-light/id1436831899)

**Features:** macOS Compatibility

**In-app purchases:** none


### Logibx

[App page](https://appshunter.io/ios/app/logibx/id6445966604)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sample Size Calculator free?

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

### Is Logibx free?

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

### Do Sample Size Calculator or Logibx have ads?

Neither Sample Size Calculator nor Logibx shows ads.

### Which is updated more often, Sample Size Calculator or Logibx?

Sample Size Calculator ships an update every 6 days, and Logibx every 8 days. Most recently, Sample Size Calculator was updated on September 19, 2026 and Logibx on September 20, 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.*