# n4Studies vs Luangpu Pramote

The clearest difference is price: Luangpu Pramote at Free against n4Studies's $1.99. Luangpu Pramote also leads on update cadence (monthly vs every 4 months) and device support (3 vs 1). On ads, in-app purchases and iOS requirement there is nothing between them.

Luangpu Pramote is free to download; n4Studies costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

n4Studies ships an update every 4 months, Luangpu Pramote monthly. The most recent releases landed on October 19, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | n4Studies | Luangpu Pramote |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/n4studies/id680516901/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | Paid | — |
| Size | 8 MB | 52 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Chetta Ngamjarus](https://appshunter.io/developer/680516904) | [LUANGPU PRAMOTE'S TEACHING MEDIA FUND](https://appshunter.io/developer/1772223087) |

## What reviewers say

### n4Studies

[App page](https://appshunter.io/ios/app/n4studies/id680516901)

This application simplifies sample size and study power calculations for various research designs. It offers tools for estimating population means and proportions, comparing groups, and analyzing different study types like case-control and randomized controlled trials. Results can be easily shared via email.

**Highlights:** Calculate sample size for infinite/finite populations, Compare two population means/proportions, Calculate sample size for various study designs, Calculate study power for comparisons, Calculate study power for various study designs, Share results via email

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

**In-app purchases:** none


### Luangpu Pramote

[App page](https://appshunter.io/ios/app/luangpu-pramote/id6736515225)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is n4Studies free?

n4Studies costs $1.99, with no in-app purchases.

### Is Luangpu Pramote free?

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

### Do n4Studies or Luangpu Pramote have ads?

Neither n4Studies nor Luangpu Pramote shows ads.

### Which is updated more often, n4Studies or Luangpu Pramote?

n4Studies ships an update every 4 months, and Luangpu Pramote monthly. Most recently, n4Studies was updated on October 19, 2026 and Luangpu Pramote on October 6, 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.*