# Asteroid Close Approach vs NEOScope

The clearest difference is review sentiment: NEOScope at 100% against Asteroid Close Approach's 0%. NEOScope also leads on price ($0.99 vs $1.99). Asteroid Close Approach's advantage is update cadence (every 4 weeks vs every 7 months) and device support (3 vs 1). On ads, in-app purchases and monetization model there is nothing between them.

Asteroid Close Approach costs $1.99 and NEOScope $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Asteroid Close Approach ships an update every 4 weeks, NEOScope every 7 months. The most recent releases landed on September 23, 2026 and June 12, 2026 respectively.

## The numbers

| Metric | Asteroid Close Approach | NEOScope |
| --- | --- | --- |
| Price | $1.99 | **$0.99** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/neoscope/id6477293859/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 7 months |
| Monetization | Paid | Paid |
| Size | 34 MB | 11 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Arpacore B.V.](https://appshunter.io/developer/1441928570) | [Christopher Bookmyer](https://appshunter.io/developer/1699500539) |

## 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


### NEOScope

[App page](https://appshunter.io/ios/app/neoscope/id6477293859)

Explore and track celestial objects with real-time data. Examine their size, speed, and proximity to Earth. Discover fascinating details about near-Earth objects.

**Highlights:** Track Near Earth Objects, Examine size, speed, and close calls, Utilizes NASA's NeoWs API, Detailed object information

**In-app purchases:** none


## Frequently asked questions

### Is Asteroid Close Approach free?

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

### Is NEOScope free?

NEOScope costs $0.99, with no in-app purchases.

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

Neither Asteroid Close Approach nor NEOScope shows ads.

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

Asteroid Close Approach ships an update every 4 weeks, and NEOScope every 7 months. Most recently, Asteroid Close Approach was updated on September 23, 2026 and NEOScope on June 12, 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.*