# Astro Vault vs Asteroid Alerts

The clearest difference is iOS requirement: Asteroid Alerts at 15.1 against Astro Vault's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Astro Vault ships an update fortnightly, Asteroid Alerts every 3 weeks. The most recent releases landed on October 24, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Astro Vault | Asteroid Alerts |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/asteroid-alerts/id6745825086/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | — | Free |
| Size | 10 MB | 34 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Nate Thompson](https://appshunter.io/developer/1534660586) | [Francesca DeMeo](https://appshunter.io/developer/1816256479) |

## What reviewers say

### Astro Vault

[App page](https://appshunter.io/ios/app/astro-vault-space-tracker/id6479629181)

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

**In-app purchases:** none


### Asteroid Alerts

[App page](https://appshunter.io/ios/app/asteroid-alerts/id6745825086)

Track near-Earth asteroids and space threats in real time with instant alerts and detailed data. Explore information on objects passing close to Earth, powered by NASA and the Minor Planet Center.

**Highlights:** Live asteroid tracking, Push notifications for discoveries, Weekly asteroid activity briefings, Detailed object data (size, velocity, hazard), NASA Sentry integration, Asteroid and space news feed, Visual interface with charts

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

**In-app purchases:** none


## Frequently asked questions

### Is Astro Vault free?

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

### Is Asteroid Alerts free?

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

### Do Astro Vault or Asteroid Alerts have ads?

Neither Astro Vault nor Asteroid Alerts shows ads.

### Which is updated more often, Astro Vault or Asteroid Alerts?

Astro Vault ships an update fortnightly, and Asteroid Alerts every 3 weeks. Most recently, Astro Vault was updated on October 24, 2026 and Asteroid Alerts on October 8, 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.*