# Knowe Astro vs Zigora

The clearest difference is in-app purchases: Zigora at none against Knowe Astro's 4. Zigora also leads on update cadence (every 3 days vs every 8 days) and iOS requirement (15.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Knowe Astro sells 4 in-app purchases, starting at $4.99 per month. Zigora asks for nothing beyond the download.

Knowe Astro ships an update every 8 days, Zigora every 3 days. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Knowe Astro | Zigora |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/knowe-astro-birth-chart/id6752608152/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 8 days | **Every 3 days** |
| Monetization | Freemium | — |
| Size | 23 MB | 172 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [占辉 百](https://appshunter.io/developer/1081455103) | [Zigora (Guangzhou) Technology Co., Ltd.](https://appshunter.io/developer/6798473270) |

## What reviewers say

### Knowe Astro

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

Explore your birth chart with detailed analysis of planets, signs, houses, and aspects. Understand relationships through synastry and composite charts, and track transits over time. AI insights are grounded in your specific astrological data.

**Highlights:** Precise birth chart calculation, Synastry and composite charts, Transit tracking, AI-generated readings, Astrology library, Home screen widgets

**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 |


### Zigora

[App page](https://appshunter.io/ios/app/zigora/id6813356782)

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

**In-app purchases:** none


## Frequently asked questions

### Is Knowe Astro free?

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

### Is Zigora free?

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

### Do Knowe Astro or Zigora have ads?

Neither Knowe Astro nor Zigora shows ads.

### Which is updated more often, Knowe Astro or Zigora?

Knowe Astro ships an update every 8 days, and Zigora every 3 days. Most recently, Knowe Astro was updated on November 8, 2026 and Zigora on October 31, 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.*