# J博士 vs 投教基地

The clearest difference is iOS requirement: J博士 at 10 against 投教基地's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

J博士 ships an update every 2 months, 投教基地 monthly. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | J博士 | 投教基地 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Size | 54 MB | 121 MB |
| Requires iOS | **10** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [北京安信立融科技股份有限公司](https://appshunter.io/developer/1227679025) | [北京尽调云科技有限公司](https://appshunter.io/developer/1701724368) |

## What reviewers say

### J博士

[App page](https://appshunter.io/ios/app/j/id1227679026)

**In-app purchases:** none


### 投教基地

[App page](https://appshunter.io/ios/app/id1628504846)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is J博士 free?

J博士 is free to download, with no in-app purchases.

### Is 投教基地 free?

投教基地 is free to download, with no in-app purchases.

### Do J博士 or 投教基地 have ads?

Neither J博士 nor 投教基地 shows ads.

### Which is updated more often, J博士 or 投教基地?

J博士 ships an update every 2 months, and 投教基地 monthly. Most recently, J博士 was updated on November 2, 2026 and 投教基地 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.*