# Bala量化 vs ChartLab

The clearest difference is in-app purchases: Bala量化 at none against ChartLab's 2. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ChartLab sells 2 one-off in-app purchases. Bala量化 asks for nothing beyond the download.

## The numbers

| Metric | Bala量化 | ChartLab |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Size | 26 MB | 30 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [晓东 陈](https://appshunter.io/developer/849609408) | [YoElephant](https://appshunter.io/developer/1894442353) |

## What reviewers say

### Bala量化

[App page](https://appshunter.io/ios/app/bala/id6766252962)

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

**In-app purchases:** none


### ChartLab

[App page](https://appshunter.io/ios/app/chartlab-candlestick-training/id6798086693)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Quarterly Membership | $36.99 | one-time |
| Annual Membership | $89.99 | one-time |


## Frequently asked questions

### Is Bala量化 free?

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

### Is ChartLab free?

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

### Do Bala量化 or ChartLab have ads?

Neither Bala量化 nor ChartLab shows ads.

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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.*