# Reply vs 灵瓜背单词

The clearest difference is monetization model: 灵瓜背单词 at free against Reply's free with in-app purchases. 灵瓜背单词 also leads on update cadence (every 4 days vs every 2 weeks). Reply's advantage is iOS requirement (13.0 vs 16.0). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. Reply sells 4 one-off in-app purchases and 灵瓜背单词 sells 3 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

Reply ships an update every 2 weeks, 灵瓜背单词 every 4 days. The most recent releases landed on August 16, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Reply | 灵瓜背单词 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (8 ratings)](https://appshunter.io/ios/app/id6446497697/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 27 MB | 109 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Dengzhou Haokui Information Technology Co., Ltd](https://appshunter.io/developer/1616461539) | [昆山 郑](https://appshunter.io/developer/1641487116) |

## What reviewers say

### Reply

[App page](https://appshunter.io/ios/app/reply-ai/id1663816463)

Practice English conversation with AI friends to improve speaking, listening, and writing skills. Learn vocabulary, grammar, and daily expressions through interactive chats and pronunciation exercises. Features intelligent error correction and vocabulary prioritization for systematic learning.

**Highlights:** AI-powered conversation practice, Improve speaking, listening, writing, Learn vocabulary and grammar, Daily expression practice, Message reading and pronunciation, Intelligent error correction, Vocabulary prioritization

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One month VIP service | $4.49 | one-time |
| One quarter VIP service | $9.99 | one-time |
| One year VIP service | $24.99 | one-time |
| Lifetime VIP | $149.99 | one-time |


### 灵瓜背单词

[App page](https://appshunter.io/ios/app/id6446497697)

This AI-powered app transforms vocabulary learning by generating engaging stories from your word lists. Read these narratives to effortlessly memorize new words in context, moving beyond traditional rote memorization. It's designed for learners of all levels, from elementary to advanced English exams.

**Highlights:** AI-driven story generation, Contextual word memorization, Eliminates rote learning, Supports all English levels, Engaging narrative approach

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Membership | $6.99 | per month |
| Annual Membership | $49.99 | per year |
| 30 Chapter Pack | $2.99 | one-time |


## Frequently asked questions

### Is Reply free?

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

### Is 灵瓜背单词 free?

灵瓜背单词 is free to download, with in-app purchases available.

### Do Reply or 灵瓜背单词 have ads?

Neither Reply nor 灵瓜背单词 shows ads.

### Which is updated more often, Reply or 灵瓜背单词?

Reply ships an update every 2 weeks, and 灵瓜背单词 every 4 days. Most recently, Reply was updated on August 16, 2026 and 灵瓜背单词 on September 29, 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.*