# Sample Size Calculator vs NoteTap

The clearest difference is in-app purchases: Sample Size Calculator at none against NoteTap's 1. Sample Size Calculator also leads on update cadence (every 6 days vs monthly) and iOS requirement (9.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. NoteTap sells 1 one-off in-app purchase. Sample Size Calculator asks for nothing beyond the download.

Sample Size Calculator ships an update every 6 days, NoteTap monthly. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Sample Size Calculator | NoteTap |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Monthly |
| Size | 24 MB | 2 MB |
| Requires iOS | **9.0** | 26.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Relief Applications](https://appshunter.io/developer/1110805584) | [Andreas Hochstoger](https://appshunter.io/developer/1866983024) |

## What reviewers say

### Sample Size Calculator

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

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

**In-app purchases:** none


### NoteTap

[App page](https://appshunter.io/ios/app/notetap-voice-to-notes/id6757926899)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NoteTap - Pro | $1.99 | one-time |


## Frequently asked questions

### Is Sample Size Calculator free?

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

### Is NoteTap free?

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

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

Neither Sample Size Calculator nor NoteTap shows ads.

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

Sample Size Calculator ships an update every 6 days, and NoteTap monthly. Most recently, Sample Size Calculator was updated on November 2, 2026 and NoteTap on October 31, 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.*