# n4Studies Plus vs Pailin Abroad

The clearest difference is price: Pailin Abroad at Free against n4Studies Plus's $7.99. Pailin Abroad also leads on rating (5.0 vs 3.0) and update cadence (every 5 days vs every 2 months). n4Studies Plus's advantage is in-app purchases (none vs 5). On ratings volume, ads, device support and iOS requirement there is nothing between them.

Pailin Abroad is free to download; n4Studies Plus costs $7.99 up front. Pailin Abroad sells 5 in-app purchases, starting at $13.99 per month. n4Studies Plus asks for nothing beyond the download.

Pailin Abroad holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

n4Studies Plus ships an update every 2 months, Pailin Abroad every 5 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | n4Studies Plus | Pailin Abroad |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Rating | [3.0 (1 ratings)](https://appshunter.io/ios/app/n4studies-plus/id6450650727/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pailin-abroad/id6762322535/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 16 MB | 94 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 12+ |
| Developer | [Chetta Ngamjarus](https://appshunter.io/developer/680516904) | [Pailin Abroad LLC](https://appshunter.io/developer/1893821090) |

## What reviewers say

### n4Studies Plus

[App page](https://appshunter.io/ios/app/n4studies-plus/id6450650727)

This app simplifies sample size and study power calculations for various research designs. It offers tools for regression, survival analysis, diagnostic studies, and more, helping users find calculations in minutes.

**Highlights:** Sample size calculation for regression, Sample size for survival analysis, Sample size for diagnostic and cross-over studies, Sample size for population means and proportions, Sample size for case-control and cohort studies, Study power calculations, Email output sharing

**Features:** macOS Compatibility

**In-app purchases:** none


### Pailin Abroad

[App page](https://appshunter.io/ios/app/pailin-abroad/id6762322535)

Build confidence in practical English with guided lessons based on real-life conversations. Practice listening, speaking, comprehension, vocabulary, and grammar with English and Thai support. Track your progress and make real English easier to understand for daily life, travel, and work.

**Highlights:** Guided English lessons, Speaking Coach feature, Real conversation audio, English and Thai support, Progress tracking, Topic-based resources

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Membership - Billed Monthly | $13.99 | per month |
| Full Membership - 6 Months | $24.99 | per 6 months |
| Full Membership - 3 Months | $29.99 | per 3 months |
| Lifetime Membership - Promo | $104.99 | one-time |
| Lifetime Membership | $149.99 | one-time |


## Frequently asked questions

### Is n4Studies Plus free?

n4Studies Plus costs $7.99, with no in-app purchases.

### Is Pailin Abroad free?

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

### Which has better reviews, n4Studies Plus or Pailin Abroad?

Pailin Abroad is rated higher. n4Studies Plus averages 3.0 out of 5 from 1 ratings, while Pailin Abroad averages 5.0 from 1 ratings.

### Do n4Studies Plus or Pailin Abroad have ads?

Neither n4Studies Plus nor Pailin Abroad shows ads.

### Which is updated more often, n4Studies Plus or Pailin Abroad?

n4Studies Plus ships an update every 2 months, and Pailin Abroad every 5 days. Most recently, n4Studies Plus was updated on November 3, 2026 and Pailin Abroad 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.*