# 多维记单词 vs Caption AI

The clearest difference is in-app purchases: 多维记单词 at none against Caption AI's 4. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Caption AI sells 4 in-app purchases, starting at $2.99 per 7 days. 多维记单词 asks for nothing beyond the download.

多维记单词 ships an update every 2 months, Caption AI monthly. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 多维记单词 | Caption AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Size | 7 MB | 48 MB |
| Requires iOS | 16.6 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [新高 邹](https://appshunter.io/developer/1238194726) | [Beijing Xingnian Trading Department (Individually Owned Business)](https://appshunter.io/developer/1556019310) |

## What reviewers say

### 多维记单词

[App page](https://appshunter.io/ios/app/id6758284968)

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

**In-app purchases:** none


### Caption AI

[App page](https://appshunter.io/ios/app/caption-ai-subtitle-maker/id6760328167)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $2.99 | per 7 days |
| Monthly | $3.99 | per month |
| Annual | $14.99 | per year |
| Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is 多维记单词 free?

多维记单词 is free to download, with no in-app purchases.

### Is Caption AI free?

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

### Do 多维记单词 or Caption AI have ads?

Neither 多维记单词 nor Caption AI shows ads.

### Which is updated more often, 多维记单词 or Caption AI?

多维记单词 ships an update every 2 months, and Caption AI monthly. Most recently, 多维记单词 was updated on October 25, 2026 and Caption AI on October 31, 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.*