# 茶物几何 vs Tea Knowledge and Info

The clearest difference is in-app purchases: 茶物几何 at none against Tea Knowledge and Info's 1. 茶物几何 also leads on iOS requirement (8.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Tea Knowledge and Info sells 1 one-off in-app purchase. 茶物几何 asks for nothing beyond the download.

茶物几何 ships an update every 2 weeks, Tea Knowledge and Info every 10 days. The most recent releases landed on November 11, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 茶物几何 | Tea Knowledge and Info |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 10 days** |
| Size | 73 MB | 57 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [上海紫砂实业有限公司](https://appshunter.io/developer/1306689168) | [Man Hung Sun](https://appshunter.io/developer/1471605573) |

## What reviewers say

### 茶物几何

[App page](https://appshunter.io/ios/app/id1449795624)

**Features:** macOS Compatibility

**In-app purchases:** none


### Tea Knowledge and Info

[App page](https://appshunter.io/ios/app/tea-knowledge-and-info/id1630711538)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| upgrade | $0.99 | one-time |


## Frequently asked questions

### Is 茶物几何 free?

茶物几何 is free to download, with no in-app purchases.

### Is Tea Knowledge and Info free?

Tea Knowledge and Info is free to download, with in-app purchases available.

### Do 茶物几何 or Tea Knowledge and Info have ads?

Neither 茶物几何 nor Tea Knowledge and Info shows ads.

### Which is updated more often, 茶物几何 or Tea Knowledge and Info?

茶物几何 ships an update every 2 weeks, and Tea Knowledge and Info every 10 days. Most recently, 茶物几何 was updated on November 11, 2026 and Tea Knowledge and Info on November 3, 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.*