# 星座大师App vs Knowe Astro：Birth Chart

The clearest difference is update cadence: Knowe Astro：Birth Chart at every 8 days against 星座大师App's every 5 weeks. 星座大师App's advantage is iOS requirement (13.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 星座大师App sells 4 one-off in-app purchases and Knowe Astro：Birth Chart sells 4 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

星座大师App ships an update every 5 weeks, Knowe Astro：Birth Chart every 8 days. The most recent releases landed on September 7, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | 星座大师App | Knowe Astro：Birth Chart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/knowe-astrobirth-chart/id6752608152/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 8 days** |
| Monetization | — | Freemium |
| Size | 37 MB | 23 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [永福 柳](https://appshunter.io/developer/1716684784) | [占辉 百](https://appshunter.io/developer/1081455103) |

## What reviewers say

### 星座大师App

[App page](https://appshunter.io/ios/app/app/id6472609447)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100星币 | $0.99 | one-time |
| 500星币 | $6.99 | one-time |
| 1000星币 | $12.99 | one-time |
| 2000星币 | $24.99 | one-time |


### Knowe Astro：Birth Chart

[App page](https://appshunter.io/ios/app/knowe-astrobirth-chart/id6752608152)

This app generates detailed natal charts, synastry comparisons, and transit readings. It offers AI-powered interpretations and includes a built-in astrology library for in-depth study. Ideal for both beginners and experienced astrologers seeking a clear workspace.

**Highlights:** Accurate natal and birth charts, Synastry and compatibility analysis, Transit tracking and timing, AI chart interpretation, In-app astrology library, Detailed placement study

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro Membership | $4.99 | per month |
| Monthly Ultra Membership | $6.99 | per month |
| Yearly Pro Membership | $19.99 | per year |
| Yearly Ultra Membership | $29.99 | per year |


## Frequently asked questions

### Is 星座大师App free?

星座大师App is free to download, with in-app purchases available.

### Is Knowe Astro：Birth Chart free?

Knowe Astro：Birth Chart is free to download, with in-app purchases available.

### Do 星座大师App or Knowe Astro：Birth Chart have ads?

Neither 星座大师App nor Knowe Astro：Birth Chart shows ads.

### Which is updated more often, 星座大师App or Knowe Astro：Birth Chart?

星座大师App ships an update every 5 weeks, and Knowe Astro：Birth Chart every 8 days. Most recently, 星座大师App was updated on September 7, 2026 and Knowe Astro：Birth Chart on September 10, 2026.

---

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