# 東進Listening vs Def Init

The clearest difference is update cadence: Def Init at every 3 weeks against 東進Listening's every 10 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

東進Listening ships an update every 10 months, Def Init every 3 weeks. The most recent releases landed on November 3, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | 東進Listening | Def Init |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 39.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 80 MB | 34 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [株式会社ナガセ](https://appshunter.io/developer/447743163) | [DeMiA](https://appshunter.io/developer/1541788198) |

## What reviewers say

### 東進Listening

[App page](https://appshunter.io/ios/app/listening/id1495619079)

This app offers innovative listening training for English proficiency, specifically designed for university entrance exams. It provides diverse practice modes, adjustable playback speeds, and text display options to help students overcome listening anxieties and improve comprehension.

**Highlights:** Genre-based listening practice (illustrations, graphs), Adjustable audio playback speed, Configurable text display (none, English, English/Japanese), Sentence highlighting and repetition, Speech, recording, and playback for pronunciation practice, Practice mode with exam-style questions

**Features:** Vision Pro support

**In-app purchases:** none


### Def Init

[App page](https://appshunter.io/ios/app/def-init/id6746444302)

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

**In-app purchases:** none


## Frequently asked questions

### Is 東進Listening free?

東進Listening is free to download, with no in-app purchases.

### Is Def Init free?

Def Init is free to download, with no in-app purchases.

### Do 東進Listening or Def Init have ads?

Neither 東進Listening nor Def Init shows ads.

### Which is updated more often, 東進Listening or Def Init?

東進Listening ships an update every 10 months, and Def Init every 3 weeks. Most recently, 東進Listening was updated on November 3, 2026 and Def Init on October 28, 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.*