# 智力星空 vs 弈棋・象棋

The clearest difference is price: 智力星空 at Free against 弈棋・象棋's $0.99. 智力星空 also leads on device support (3 vs 1) and iOS requirement (15.6 vs 17.0). 弈棋・象棋's advantage is in-app purchases (none vs 6). On ads there is nothing between them.

智力星空 is free to download; 弈棋・象棋 costs $0.99 up front. 智力星空 sells 6 one-off in-app purchases. 弈棋・象棋 asks for nothing beyond the download.

## The numbers

| Metric | 智力星空 | 弈棋・象棋 |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/id6502636456/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 52 MB | 3 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Tech4Joy](https://appshunter.io/developer/1746280147) | [宝珍 杜](https://appshunter.io/developer/1825073574) |

## 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 |


### 弈棋・象棋

[App page](https://appshunter.io/ios/app/id6797735351)

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

**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 弈棋・象棋 free?

弈棋・象棋 costs $0.99, with no in-app purchases.

### Do 智力星空 or 弈棋・象棋 have ads?

Neither 智力星空 nor 弈棋・象棋 shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*