# 英熟語センター750 vs WurdS

The clearest difference is in-app purchases: 英熟語センター750 at none against WurdS's 1. 英熟語センター750 also leads on device support and iOS requirement (7.0 vs 15.0). On price and update cadence there is nothing between them.

Both are free to download. WurdS sells 1 one-off in-app purchase. 英熟語センター750 asks for nothing beyond the download.

英熟語センター750 ships an update every 7 months, WurdS every 10 months. The most recent releases landed on September 23, 2026 and May 18, 2026 respectively.

## The numbers

| Metric | 英熟語センター750 | WurdS |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 35.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | — |
| Update frequency | **Every 7 months** | Every 10 months |
| Monetization | Free | — |
| Size | 104 MB | 25 MB |
| Requires iOS | **7.0** | 15.0 |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [株式会社ナガセ](https://appshunter.io/developer/447743163) | [Kouta Takahashi](https://appshunter.io/developer/1739984430) |

## What reviewers say

### 英熟語センター750

[App page](https://appshunter.io/ios/app/750/id499224982)

This app helps high school students master essential English idioms for university entrance exams. It focuses on 750 frequently appearing idioms, ordered by frequency, with features for focused learning and audio review.

**Highlights:** 750 essential idioms, Ordered by exam frequency, Focused learning on unknown idioms, Audio learning for pronunciation and review, Progress tracking

**Features:** Vision Pro support

**In-app purchases:** none


### WurdS

[App page](https://appshunter.io/ios/app/wurds/id6482990133)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| removeads | $1.99 | one-time |


## Frequently asked questions

### Is 英熟語センター750 free?

英熟語センター750 is free to download, with no in-app purchases.

### Is WurdS free?

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

### Which is updated more often, 英熟語センター750 or WurdS?

英熟語センター750 ships an update every 7 months, and WurdS every 10 months. Most recently, 英熟語センター750 was updated on September 23, 2026 and WurdS on May 18, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*