# 职业发展系统 vs Stats AI

The clearest difference is in-app purchases: 职业发展系统 at none against Stats AI's 2. 职业发展系统 also leads on iOS requirement (12.0 vs 15.0). Stats AI's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Stats AI sells 2 in-app purchases, starting at $4.99 per 7 days. 职业发展系统 asks for nothing beyond the download.

职业发展系统 ships an update every 2 months, Stats AI every 3 weeks. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 职业发展系统 | Stats AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 52 MB | 68 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [北京万学教育科技有限公司](https://appshunter.io/developer/1044531538) | [Kukuh Nomikusain](https://appshunter.io/developer/1739975777) |

## What reviewers say

### 职业发展系统

[App page](https://appshunter.io/ios/app/id1163595822)

**In-app purchases:** none


### Stats AI

[App page](https://appshunter.io/ios/app/stats-ai-statistics-solver/id6757698039)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro (Weekly) | $4.99 | per 7 days |
| Pro (Yearly) | $29.99 | per year |


## Frequently asked questions

### Is 职业发展系统 free?

职业发展系统 is free to download, with no in-app purchases.

### Is Stats AI free?

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

### Do 职业发展系统 or Stats AI have ads?

Neither 职业发展系统 nor Stats AI shows ads.

### Which is updated more often, 职业发展系统 or Stats AI?

职业发展系统 ships an update every 2 months, and Stats AI every 3 weeks. Most recently, 职业发展系统 was updated on October 26, 2026 and Stats AI on October 24, 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.*