# 量化速通 vs 格物 Whence

The clearest difference is in-app purchases: 格物 Whence at none against 量化速通's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 量化速通 sells 1 one-off in-app purchase. 格物 Whence asks for nothing beyond the download.

## The numbers

| Metric | 量化速通 | 格物 Whence |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 6 weeks |
| Size | 1 MB | 16 MB |
| Requires iOS | 18.2 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [桂珍 王](https://appshunter.io/developer/1816092243) | [立超 徐](https://appshunter.io/developer/1879391068) |

## What reviewers say

### 量化速通

[App page](https://appshunter.io/ios/app/id6758083380)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 终身会员 | $12.99 | one-time |


### 格物 Whence

[App page](https://appshunter.io/ios/app/whence/id6799561288)

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

**In-app purchases:** none


## Frequently asked questions

### Is 量化速通 free?

量化速通 is free to download, with in-app purchases available.

### Is 格物 Whence free?

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

### Do 量化速通 or 格物 Whence have ads?

Neither 量化速通 nor 格物 Whence shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*