# 嗯背单词JP vs 无痛日语

The clearest difference is review sentiment: 无痛日语 at 100% against 嗯背单词JP's 73%. 嗯背单词JP's advantage is update cadence (weekly vs fortnightly). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. 嗯背单词JP sells 3 in-app purchases, starting at $2.99 per year and 无痛日语 sells 4 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

嗯背单词JP ships an update weekly, 无痛日语 fortnightly. Both last shipped on October 24, 2026.

## The numbers

| Metric | 嗯背单词JP | 无痛日语 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (18 ratings)](https://appshunter.io/ios/app/jp/id6502523869/reviews)** | — |
| Number of ratings | **18** | — |
| Positive reviews | 73.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Fortnightly |
| Monetization | Freemium | Freemium |
| Size | 772 MB | 331 MB |
| Requires iOS | 16 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [斌斌 沈](https://appshunter.io/developer/1509733863) | [Hangzhou Xiangzi Technology Co. Ltd.](https://appshunter.io/developer/1428783072) |

## What reviewers say

### 嗯背单词JP

[App page](https://appshunter.io/ios/app/jp/id6502523869)

This app uses the Leitner Box algorithm for spaced repetition to help you memorize Japanese vocabulary. It offers various learning modes, customizable definitions, and high-quality pronunciation.

**Highlights:** Leitner Box spaced repetition algorithm, iCloud backup and sync, High-quality TTS pronunciation, Three learning modes (quick, spelling, dictation), Editable definitions and examples, Word notes and built-in dictionary

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 赞助会员 | $2.99 | per year |
| 终身会员 | $4.99 | one-time |
| 终身会员 | $6.99 | one-time |


### 无痛日语

[App page](https://appshunter.io/ios/app/aijlpt/id6774072491)

This app revolutionizes Japanese language learning with AI-powered memory algorithms and an engaging, short-video-like interface. It offers AI grammar parsing, instant dictionary lookups, and JLPT exam preparation tools. Track your progress with detailed statistics and master Japanese effortlessly.

**Highlights:** AI-driven memory algorithm (FSRS5), Short-video-style word learning interface, One-click AI grammar parsing, Integrated AI dictionary lookup, JLPT exam preparation with real examples, Detailed learning progress statistics, Hands-free listening mode

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $9.99 | per month |
| Yearly | $29.99 | per year |
| Lifetime | $49.99 | one-time |
| Lifetime | $69.99 | one-time |


## Frequently asked questions

### Is 嗯背单词JP free?

嗯背单词JP is free to download, with in-app purchases available.

### Is 无痛日语 free?

无痛日语 is free to download, with in-app purchases available.

### Do 嗯背单词JP or 无痛日语 have ads?

Neither 嗯背单词JP nor 无痛日语 shows ads.

### Which is updated more often, 嗯背单词JP or 无痛日语?

嗯背单词JP ships an update weekly, and 无痛日语 fortnightly. Most recently, 嗯背单词JP was updated on October 24, 2026 and 无痛日语 on October 24, 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.*