# 双凤科技 vs 之之AI

The clearest difference is in-app purchases: 双凤科技 at none against 之之AI's 10. 双凤科技 also leads on update cadence (every 3 days vs every 2 weeks) and iOS requirement (12.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. 之之AI sells 10 in-app purchases, starting at $2.99 per month. 双凤科技 asks for nothing beyond the download.

双凤科技 ships an update every 3 days, 之之AI every 2 weeks. The most recent releases landed on October 10, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 双凤科技 | 之之AI |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 2 weeks |
| Monetization | — | Freemium |
| Size | 208 MB | 297 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [文坚 何](https://appshunter.io/developer/1610233051) | [北京体提科技有限公司](https://appshunter.io/developer/1680431935) |

## What reviewers say

### 双凤科技

[App page](https://appshunter.io/ios/app/id6446475758)

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

**In-app purchases:** none


### 之之AI

[App page](https://appshunter.io/ios/app/ai/id6746398605)

This app helps basketball players track their shooting performance and progress. It automatically records made shots, saves training history, and allows users to generate highlight reels from their practice sessions. Compete with friends on leaderboards and make training more scientific and enjoyable.

**Highlights:** Automatic shot recording, Training history tracking, Leaderboards for competition, One-click highlight reel creation, Video clipping and sharing

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP连续包月卡 | $2.99 | per month |
| 教练VIP连续包月卡 | $2.99 | per month |
| VIP连续包季卡 | $6.99 | per 3 months |
| VIP连续包年卡 | $24.99 | per year |
| 教练VIP月卡 | $6.99 | one-time |
| 教练VIP季卡 | $19.99 | one-time |
| VIP年卡 | $29.99 | one-time |
| 教练VIP年卡 | $69.99 | one-time |
| VIP终身卡 | $199.99 | one-time |
| 教练VIP终身卡 | $199.99 | one-time |


## Frequently asked questions

### Is 双凤科技 free?

双凤科技 is free to download, with no in-app purchases.

### Is 之之AI free?

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

### Do 双凤科技 or 之之AI have ads?

Neither 双凤科技 nor 之之AI shows ads.

### Which is updated more often, 双凤科技 or 之之AI?

双凤科技 ships an update every 3 days, and 之之AI every 2 weeks. Most recently, 双凤科技 was updated on October 10, 2026 and 之之AI on October 30, 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.*