# 日语发音词汇学习 vs Define

The clearest difference is in-app purchases: Define at none against 日语发音词汇学习's 1. Define also leads on update cadence (every 4 days vs every 3 months). 日语发音词汇学习's advantage is iOS requirement (12.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. 日语发音词汇学习 sells 1 one-off in-app purchase. Define asks for nothing beyond the download.

日语发音词汇学习 ships an update every 3 months, Define every 4 days. The most recent releases landed on October 24, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | 日语发音词汇学习 | Define |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 days** |
| Size | 36 MB | 10 MB |
| Requires iOS | **12.0** | 26.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Haidi Digital Publishing Technology Co., Ltd.](https://appshunter.io/developer/1094639160) | [Virtual GS](https://appshunter.io/developer/302652687) |

## What reviewers say

### 日语发音词汇学习

[App page](https://appshunter.io/ios/app/id1107525620)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 日语发音入门与3000词 | $3.99 | one-time |


### Define

[App page](https://appshunter.io/ios/app/define-ai-dictionary/id6752530634)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 日语发音词汇学习 free?

日语发音词汇学习 is free to download, with in-app purchases available.

### Is Define free?

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

### Do 日语发音词汇学习 or Define have ads?

Neither 日语发音词汇学习 nor Define shows ads.

### Which is updated more often, 日语发音词汇学习 or Define?

日语发音词汇学习 ships an update every 3 months, and Define every 4 days. Most recently, 日语发音词汇学习 was updated on October 24, 2026 and Define on October 23, 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.*