# Asteroid Close Approach vs LookStar

The clearest difference is price: LookStar at Free against Asteroid Close Approach's $1.99. Asteroid Close Approach's advantage is in-app purchases (none vs 1) and ads (none vs shown). On update cadence, device support and iOS requirement there is nothing between them.

LookStar is free to download; Asteroid Close Approach costs $1.99 up front. LookStar sells 1 one-off in-app purchase. Asteroid Close Approach asks for nothing beyond the download.

Asteroid Close Approach ships an update every 4 weeks, LookStar fortnightly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Asteroid Close Approach | LookStar |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 weeks | **Fortnightly** |
| Monetization | Paid | — |
| Size | 34 MB | 49 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Arpacore B.V.](https://appshunter.io/developer/1441928570) | [Sandpia](https://appshunter.io/developer/1874937738) |

## What reviewers say

### Asteroid Close Approach

[App page](https://appshunter.io/ios/app/asteroid-close-approach/id1562569488)

Get real-time updates on near-Earth asteroid close approaches, including dates, distances, and impact energies. Access NASA's Sentry database for collision predictions and use a built-in calculator to estimate asteroid mass and energy.

**Highlights:** Real-time asteroid data on Apple Watch, Comprehensive approach details, Access to NASA's Sentry database, Asteroid mass and energy calculator, Collision monitoring for the next century

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases:** none


### LookStar

[App page](https://appshunter.io/ios/app/lookstar/id6758778594)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove All Ads | $1.59 | one-time |


## Frequently asked questions

### Is Asteroid Close Approach free?

Asteroid Close Approach costs $1.99, with no in-app purchases.

### Is LookStar free?

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

### Do Asteroid Close Approach or LookStar have ads?

LookStar shows ads; Asteroid Close Approach does not.

### Which is updated more often, Asteroid Close Approach or LookStar?

Asteroid Close Approach ships an update every 4 weeks, and LookStar fortnightly. Most recently, Asteroid Close Approach was updated on November 3, 2026 and LookStar 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.*