# MaxwellsDemon vs NEOScope

The clearest difference is device support: MaxwellsDemon at 3 against NEOScope's 1. MaxwellsDemon also leads on iOS requirement (14.4 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.

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

MaxwellsDemon ships an update every 9 months, NEOScope every 7 months. The most recent releases landed on October 8, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | MaxwellsDemon | NEOScope |
| --- | --- | --- |
| Price | $0.99 | $0.99 |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/neoscope/id6477293859/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 7 months** |
| Monetization | — | Paid |
| Size | 1 MB | 11 MB |
| Requires iOS | **14.4** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Takao Akatsu](https://appshunter.io/developer/1530946331) | [Christopher Bookmyer](https://appshunter.io/developer/1699500539) |

## What reviewers say

### MaxwellsDemon

[App page](https://appshunter.io/ios/app/maxwellsdemon/id1612817641)

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

**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 MaxwellsDemon free?

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

### Is NEOScope free?

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

### Do MaxwellsDemon or NEOScope have ads?

Neither MaxwellsDemon nor NEOScope shows ads.

### Which is updated more often, MaxwellsDemon or NEOScope?

MaxwellsDemon ships an update every 9 months, and NEOScope every 7 months. Most recently, MaxwellsDemon was updated on October 8, 2026 and NEOScope on October 17, 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.*