# Cosmo Pro vs AstroNav SkyDial

The clearest difference is ads: AstroNav SkyDial at none against Cosmo Pro's shown. AstroNav SkyDial also leads on update cadence (every 3 weeks vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Cosmo Pro sells 1 one-off in-app purchase and AstroNav SkyDial sells 2 in-app purchases, starting at $1.99 per year. Whichever you choose, the download price is not the number that matters.

Cosmo Pro ships an update every 2 months, AstroNav SkyDial every 3 weeks. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Cosmo Pro | AstroNav SkyDial |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/astronav-skydial/id6793818116/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 38 MB | 108 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Tariq Al-aqrabawi](https://appshunter.io/developer/1877383192) | [Timespace Atlas, LLC](https://appshunter.io/developer/6793818118) |

## What reviewers say

### Cosmo Pro

[App page](https://appshunter.io/ios/app/cosmo-pro/id6774987613)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cosmos Pro — Lifetime Unlock | $0.99 | one-time |


### AstroNav SkyDial

[App page](https://appshunter.io/ios/app/astronav-skydial/id6793818116)

Visualize celestial movements in real-time with a dynamic dial showing the sun, moon, and planets. Explore upcoming astronomical events and plan your stargazing sessions.

**Highlights:** Real-time sun and moon tracking, Planetary movement visualization, Interactive sky dial, Event feed for stargazing opportunities, 48-hour forecast slider, Zodiac constellation identification

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AstroNav Pro Annual | $1.99 | per year |
| AstroNav Pro (Lifetime) | $9.99 | one-time |


## Frequently asked questions

### Is Cosmo Pro free?

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

### Is AstroNav SkyDial free?

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

### Do Cosmo Pro or AstroNav SkyDial have ads?

Cosmo Pro shows ads; AstroNav SkyDial does not.

### Which is updated more often, Cosmo Pro or AstroNav SkyDial?

Cosmo Pro ships an update every 2 months, and AstroNav SkyDial every 3 weeks. Most recently, Cosmo Pro was updated on October 28, 2026 and AstroNav SkyDial on October 24, 2026.

---

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