# 海伦智能陪练 vs Codey

The clearest difference is in-app purchases: 海伦智能陪练 at none against Codey's 3. 海伦智能陪练 also leads on iOS requirement (9.0 vs 16.4). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Codey sells 3 in-app purchases, starting at $9.99 per 7 days. 海伦智能陪练 asks for nothing beyond the download.

海伦智能陪练 ships an update every 3 weeks, Codey monthly. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 海伦智能陪练 | Codey |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Size | 100 MB | 128 MB |
| Requires iOS | **9.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [HAILUN PIANO CO., LTD.](https://appshunter.io/developer/1104870330) | [Gifty AI](https://appshunter.io/developer/1827167976) |

## What reviewers say

### 海伦智能陪练

[App page](https://appshunter.io/ios/app/id1264527706)

**Features:** macOS Compatibility

**In-app purchases:** none


### Codey

[App page](https://appshunter.io/ios/app/codey-coding-interview-prep/id6758357319)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Super Codey Weekly | $9.99 | per 7 days |
| Super Codey Monthly | $24.99 | per month |
| Super Codey Annual | $149.00 | per year |


## Frequently asked questions

### Is 海伦智能陪练 free?

海伦智能陪练 is free to download, with no in-app purchases.

### Is Codey free?

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

### Do 海伦智能陪练 or Codey have ads?

Neither 海伦智能陪练 nor Codey shows ads.

### Which is updated more often, 海伦智能陪练 or Codey?

海伦智能陪练 ships an update every 3 weeks, and Codey monthly. Most recently, 海伦智能陪练 was updated on November 2, 2026 and Codey on October 31, 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.*