# Apollo360 vs CatalogueMessier

The clearest difference is review sentiment: Apollo360 at 100% against CatalogueMessier's 0%. Apollo360 also leads on iOS requirement (14.0 vs 17.0). CatalogueMessier's advantage is price ($0.99 vs $2.99). On ads, in-app purchases, monetization model and device support there is nothing between them.

Apollo360 costs $2.99 and CatalogueMessier $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Apollo360 | CatalogueMessier |
| --- | --- | --- |
| Price | $2.99 | **$0.99** |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/apollo360-vr/id1568902206/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Monetization | Paid | Paid |
| Size | 572 MB | 9 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mike Smithwick](https://appshunter.io/developer/294198918) | [Laurent DURLIAT](https://appshunter.io/developer/1796721727) |

## What reviewers say

### Apollo360

[App page](https://appshunter.io/ios/app/apollo360-vr/id1568902206)

Experience the lunar surface in 360 degrees with high-resolution panoramas from the Apollo missions. Explore all six landing sites using your device's motion sensors, with optional narration and mission audio.

**Highlights:** 360-degree lunar surface panoramas, Explore 6 Apollo landing sites, Device motion sensor control, Virtual Sun and Earth, Mission audio, Optional narration and annotations, VR Goggles mode

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

**In-app purchases:** none


### CatalogueMessier

[App page](https://appshunter.io/ios/app/cataloguemessier/id6747948514)

Explore the Messier, NGC, and Caldwell astronomical catalogs. Log your observations with photos, filter celestial objects by type, and track your progress with detailed statistics. Export your data for further analysis.

**Highlights:** View Messier, NGC, and Caldwell catalogs, Add observation photos, Filter objects by category, Track observation progress, Export observation data, Multi-language support

**In-app purchases:** none


## Frequently asked questions

### Is Apollo360 free?

Apollo360 costs $2.99, with no in-app purchases.

### Is CatalogueMessier free?

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

### Do Apollo360 or CatalogueMessier have ads?

Neither Apollo360 nor CatalogueMessier shows ads.

---

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