# ListAI背单词 vs Optics Workbench

The clearest difference is price: Optics Workbench at Free against ListAI背单词's $1.99. Optics Workbench also leads on in-app purchases (none vs 1). ListAI背单词's advantage is iOS requirement (13.0 vs 17.0). On ads and device support there is nothing between them.

Optics Workbench is free to download; ListAI背单词 costs $1.99 up front. ListAI背单词 sells 1 one-off in-app purchase. Optics Workbench asks for nothing beyond the download.

## The numbers

| Metric | ListAI背单词 | Optics Workbench |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[3.7 (7 ratings)](https://appshunter.io/ios/app/listai/id1584529187/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 84.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 days | — |
| Monetization | Paid | — |
| Size | 45 MB | 4 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Xuncheng Education Consulting Co., Ltd.](https://appshunter.io/developer/1580945165) | [浚哲 彭](https://appshunter.io/developer/6787808310) |

## What reviewers say

### ListAI背单词

[App page](https://appshunter.io/ios/app/listai/id1584529187)

This app helps you memorize vocabulary effectively using AI-powered explanations, Ebbinghaus forgetting curve reviews, and personalized learning plans. It offers offline access, customizable word lists, and the ability to export study materials.

**Highlights:** AI-powered word explanations, Ebbinghaus forgetting curve review, Personalized learning lists, Offline vocabulary study, Customizable word counts per list, PDF export for offline learning, Extensive built-in word banks

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI背单词永久会员VIP | $0.99 | one-time |


### Optics Workbench

[App page](https://appshunter.io/ios/app/optics-workbench/id6794776366)

**In-app purchases:** none


## Frequently asked questions

### Is ListAI背单词 free?

ListAI背单词 costs $1.99, and also offers in-app purchases.

### Is Optics Workbench free?

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

### Do ListAI背单词 or Optics Workbench have ads?

Neither ListAI背单词 nor Optics Workbench shows ads.

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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.*