# 智力星空 vs 51Talk英语角

The clearest difference is rating: 智力星空 at 5.0 against 51Talk英语角's 4.2. 51Talk英语角's advantage is in-app purchases (none vs 6) and ratings volume (1.1K vs 1). On price, ads and device support there is nothing between them.

Both are free to download. 智力星空 sells 6 one-off in-app purchases. 51Talk英语角 asks for nothing beyond the download.

智力星空 holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: 51Talk英语角 has 1.1K ratings behind it against 1, so its average is the more settled of the two.

智力星空 ships an update every 4 weeks, 51Talk英语角 every 2 weeks. The most recent releases landed on October 11, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | 智力星空 | 51Talk英语角 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id6502636456/reviews)** | [4.2 (1.1K ratings)](https://appshunter.io/ios/app/51talk/id6502762769/reviews) |
| Number of ratings | 1 | **1.1K** |
| Positive reviews | — | 36.9% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 52 MB | 288 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tech4Joy](https://appshunter.io/developer/1746280147) | [大生在线(深圳)文化传媒科技有限公司](https://appshunter.io/developer/1702645479) |

## What reviewers say

### 智力星空

[App page](https://appshunter.io/ios/app/id6502636456)

This platform offers scientific and engaging brain training for adolescents, focusing on improving concentration, memory, and logical thinking. It combines cognitive neuroscience with fun, space-themed adventures to address common parental concerns about learning difficulties and development.

**Highlights:** Adolescent potential assessment center, Pilot-level concentration training, Printable paper-screen synchronized practice books, All-brain potential activation hall, Logical and programming thinking training, Weekly brain quotient reports, Eye protection and anti-addiction controls

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 7天会员 | $1.99 | one-time |
| 月会员 | $4.99 | one-time |
| 优惠年会员 | $24.99 | one-time |
| 特惠永久会员 | $29.99 | one-time |
| 年会员 | $29.99 | one-time |
| 永久会员 | $69.99 | one-time |


### 51Talk英语角

[App page](https://appshunter.io/ios/app/51talk/id6502762769)

This app offers one-on-one online English lessons with qualified foreign teachers. It provides personalized learning paths, flexible scheduling, and a structured curriculum designed for effective language acquisition. New users can enjoy a free trial lesson and assessment.

**Highlights:** One-on-one foreign teacher lessons, Personalized learning paths, Flexible scheduling, Structured curriculum, Progress tracking, Free trial lesson

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 智力星空 free?

智力星空 is free to download, with in-app purchases available.

### Is 51Talk英语角 free?

51Talk英语角 is free to download, with no in-app purchases.

### Which has better reviews, 智力星空 or 51Talk英语角?

智力星空 is rated higher. 智力星空 averages 5.0 out of 5 from 1 ratings, while 51Talk英语角 averages 4.2 from 1.1K ratings.

### Do 智力星空 or 51Talk英语角 have ads?

Neither 智力星空 nor 51Talk英语角 shows ads.

### Which is updated more often, 智力星空 or 51Talk英语角?

智力星空 ships an update every 4 weeks, and 51Talk英语角 every 2 weeks. Most recently, 智力星空 was updated on October 11, 2026 and 51Talk英语角 on October 17, 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.*