# ESL Robot 4 — AI-Powered English Tutor

> AI-Powered English Tutor (iPhone/iPad app by Ron Lee.)

- Source: https://appshunter.io/ios/app/esl-robot-4/id6503162087 (this page in markdown: same URL + `.md`)
- Developer: [Ron Lee](https://appshunter.io/developer/552862246)
- Category: Education
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 12.0 · 35 MB
- Languages: English
- Released: 2024-07-02
- Data updated: 2026-05-19
- User reviews in markdown: https://appshunter.io/ios/app/esl-robot-4/id6503162087/reviews.md

## What is ESL Robot 4?

"ESL Robot" is an AI-powered English tutor. For years, the idea of computers serving as human-like tutors to aid in English learning has been a distant dream. Now, with the arrival of "ESL Robot 4," that dream has become a reality.

Leveraging cutting-edge AI technology, "ESL Robot" transcends the realm of mere chatbots. It comprehends your queries, provides language learning tips, corrects errors, and offers personalized guidance. The app features various sections tailored for language acquisition. You can engage in dynamic conversations with "Chat with Susan," seek comprehensive answers with "Ask Me Anything," delve into specific subjects with "Choose a Topic," or refine your writing skills and have "Tutor Susan" review your self-written paragraphs with "Rewrite It for Me." Moreover, ESL Robot generates study materials, crafts model essays upon request. It accommodates both spoken and written input, allowing you to save the generated content for future study.

Embark on the journey of English learning with "ESL Robot," where we strive to make the app accessible to all. Share your feedback with us at tesl@eslfast.com, as we eagerly anticipate hearing from you.


Terms of Use (EULA),
https://www.apple.com/legal/internet-services/itunes/dev/stdeula/


Rong-Chang ESL, Inc.
Los Angeles, USA

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| ESL Robot 4 Pro | $5.99 | per month |
| ESL Robot 4 Pro | $49.99 | per year |



## Version history (last 5 releases)

### 7.0 — 2024-12-11

Bug fixes

### 6.0 — 2024-12-07

Bug fixes

### 5.0 — 2024-10-29

Minor bug fixes

### 4.0 — 2024-10-25

Minor bug fixes

### 3.0 — 2024-10-23

Minor bug fixes

## More apps by Ron Lee

- [Fast Speak](https://appshunter.io/ios/app/fast-speak/id991466371)
- [ESL Fast Reading](https://appshunter.io/ios/app/esl-fast-reading/id1046798435)

All apps by Ron Lee: https://appshunter.io/developer/552862246

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-05-19.*