# NGSL Builder 日本語版 vs PROGOS for testing English

The clearest difference is rating: PROGOS for testing English at 4.7 against NGSL Builder 日本語版's 3.7. PROGOS for testing English also leads on update cadence (every 2 months vs every 8 months). NGSL Builder 日本語版's advantage is monetization model (free vs ad-supported) and review sentiment (54% vs 43%). On price, ratings volume, 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.

PROGOS for testing English holds the better App Store score, 4.7 against 3.7. Both are backed by a comparable volume of ratings — 18 and 20 respectively. Written reviews complicate that: 54% of NGSL Builder 日本語版's written reviews are positive against 43% of PROGOS for testing English's, so the app with the better star average is not the one people write more warmly about.

NGSL Builder 日本語版 ships an update every 8 months, PROGOS for testing English every 2 months. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | NGSL Builder 日本語版 | PROGOS for testing English |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (18 ratings)](https://appshunter.io/ios/app/ngsl-builder/id973368515/reviews) | **[4.7 (20 ratings)](https://appshunter.io/ios/app/progos-for-testing-english/id1585740623/reviews)** |
| Number of ratings | 18 | **20** |
| Positive reviews | **53.6% of reviews** | 42.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 2 months** |
| Monetization | **Free** | Ad-supported |
| Size | 248 MB | 33 MB |
| Requires iOS | **7.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [EFL Technologies](https://appshunter.io/developer/942981362) | [PROGOS Inc.](https://appshunter.io/developer/1585740625) |

## What reviewers say

### NGSL Builder 日本語版

[App page](https://appshunter.io/ios/app/ngsl-builder/id973368515)

This app helps learners and teachers utilize the New General Service List (NGSL) for efficient vocabulary acquisition. It includes tools for downloading, managing, and studying words with progress tracking and pronunciation features.

**Highlights:** NGSL wordlist management, Intelligent flashcard system, Spaced repetition learning, Progress tracking and reporting, Native speaker pronunciation, Japanese translations

**Features:** macOS Compatibility

**In-app purchases:** none


### PROGOS for testing English

[App page](https://appshunter.io/ios/app/progos-for-testing-english/id1585740623)

An AI-powered English speaking test that assesses fluency, accuracy, and communication skills against CEFR standards. Get instant feedback and track your progress in business English scenarios.

**Highlights:** AI-based speaking assessment, CEFR level evaluation (Pre A-1 to B2 High), Business English scenarios, Extensive feedback and improvement advice, Test history tracking, Instant scoring

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is NGSL Builder 日本語版 free?

NGSL Builder 日本語版 is free to download, with no in-app purchases.

### Is PROGOS for testing English free?

PROGOS for testing English is free to download, with no in-app purchases.

### Which has better reviews, NGSL Builder 日本語版 or PROGOS for testing English?

PROGOS for testing English is rated higher. NGSL Builder 日本語版 averages 3.7 out of 5 from 18 ratings, while PROGOS for testing English averages 4.7 from 20 ratings.

### Do NGSL Builder 日本語版 or PROGOS for testing English have ads?

Neither NGSL Builder 日本語版 nor PROGOS for testing English shows ads.

### Which is updated more often, NGSL Builder 日本語版 or PROGOS for testing English?

NGSL Builder 日本語版 ships an update every 8 months, and PROGOS for testing English every 2 months. Most recently, NGSL Builder 日本語版 was updated on November 1, 2026 and PROGOS for testing English on November 7, 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.*