# Bala量化 vs 主线日历

The clearest difference is update cadence: 主线日历 at every 9 days against Bala量化's every 2 weeks. Bala量化's advantage is iOS requirement (15.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

Bala量化 ships an update every 2 weeks, 主线日历 every 9 days. The most recent releases landed on October 13, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Bala量化 | 主线日历 |
| --- | --- | --- |
| Price | **Free** | — |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/id6785384159/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 40.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 9 days** |
| Size | 26 MB | 2 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [晓东 陈](https://appshunter.io/developer/849609408) | [俊松 潘](https://appshunter.io/developer/6785335713) |

## 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


### 主线日历

[App page](https://appshunter.io/ios/app/id6785384159)

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

**In-app purchases:** none


## Frequently asked questions

### Is Bala量化 free?

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

### Is 主线日历 free?

Pricing for 主线日历 is not currently listed on the App Store.

### Do Bala量化 or 主线日历 have ads?

Neither Bala量化 nor 主线日历 shows ads.

### Which is updated more often, Bala量化 or 主线日历?

Bala量化 ships an update every 2 weeks, and 主线日历 every 9 days. Most recently, Bala量化 was updated on October 13, 2026 and 主线日历 on October 23, 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.*