# FIT天地通 vs 知买

The clearest difference is update cadence: 知买 at fortnightly against FIT天地通's every 2 months. FIT天地通's advantage is iOS requirement (9.0 vs 12). On price, ads, in-app purchases and device support there is nothing between them.

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

FIT天地通 ships an update every 2 months, 知买 fortnightly. The most recent releases landed on November 2, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | FIT天地通 | 知买 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Size | 36 MB | 37 MB |
| Requires iOS | **9.0** | 12 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [小毛 林](https://appshunter.io/developer/1344706214) | [杭州知买电子商务有限公司](https://appshunter.io/developer/1852960289) |

## What reviewers say

### FIT天地通

[App page](https://appshunter.io/ios/app/fit/id1256348335)

**Features:** macOS Compatibility

**In-app purchases:** none


### 知买

[App page](https://appshunter.io/ios/app/id6755290773)

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

**In-app purchases:** none


## Frequently asked questions

### Is FIT天地通 free?

FIT天地通 is free to download, with no in-app purchases.

### Is 知买 free?

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

### Do FIT天地通 or 知买 have ads?

Neither FIT天地通 nor 知买 shows ads.

### Which is updated more often, FIT天地通 or 知买?

FIT天地通 ships an update every 2 months, and 知买 fortnightly. Most recently, FIT天地通 was updated on November 2, 2026 and 知买 on November 5, 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.*