# Exoplanet vs JMARS AR Viewer

The clearest difference is in-app purchases: JMARS AR Viewer at none against Exoplanet's 7. JMARS AR Viewer also leads on rating (5.0 vs 4.7). Exoplanet's advantage is ratings volume (974 vs 2) and update cadence (every 2 weeks vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Exoplanet sells 7 one-off in-app purchases. JMARS AR Viewer asks for nothing beyond the download.

JMARS AR Viewer holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Exoplanet has 974 ratings behind it against 2, so its average is the more settled of the two.

Exoplanet ships an update every 2 weeks, JMARS AR Viewer monthly. The most recent releases landed on October 23, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Exoplanet | JMARS AR Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (974 ratings)](https://appshunter.io/ios/app/exoplanet/id327702034/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/jmars-ar-viewer/id1501733717/reviews)** |
| Number of ratings | **974** | 2 |
| Positive reviews | 90.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 105 MB | 272 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod, Apple TV** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hanno Rein](https://appshunter.io/developer/325840976) | [Robert Likamwa](https://appshunter.io/developer/1436236590) |

## What reviewers say

### Exoplanet

[App page](https://appshunter.io/ios/app/exoplanet/id327702034)

Explore a vast, interactive database of discovered exoplanets and their host stars. Visualize their physical properties, locations in the night sky, and orbital paths. Discover the observable universe from Earth to the cosmic microwave background with stunning 3D models and augmented reality features.

**Highlights:** Interactive visualizations and animations, Daily updated exoplanet and host star properties, 3D Milky Way model with exoplanet locations, Augmented reality sky map, Exoplanet orbit and habitable zone visualizations, Data from multiple exoplanet catalogs

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Galaxy Clusters and CMB | $0.99 | one-time |
| Asteroids | $0.99 | one-time |
| Gaia Stars | $0.99 | one-time |
| S-Stars | $0.99 | one-time |
| Catalogues | $0.99 | one-time |
| Developer Appreciation Coffee | $1.99 | one-time |
| Kepler Add-on | $2.99 | one-time |

**What reviewers like**

- 🚀 Great app
- 👍 Insanely entertaining
- 👍 Amazing graphics and interactive diorama
- 👍 Detailed explanation of planets
- 👍 Awesome app for astronomy and physics lovers

**What reviewers complain about**

- 🐛 Some exoplanets not showing up in search
- 🐛 Inconsistent behavior when switching between databases
- 🔒 Paid upgrades required to access more features
- 🐛 Upgrade purchase issues with Galaxy Clusters and CMB add-on
- 🐛 Exoplanets represented as generic white balls

**Reported bugs**

- Upgrade purchase issues with Galaxy Clusters and CMB add-on
- Kepler objects of interest disappearing when switching databases

**Requested features**

- Add more detailed textures and visuals for exoplanets
- Ability to view multiple databases simultaneously
- Option to see planet surfaces and atmospheres
- Inclusion of dwarf planets in our solar system
- Ability to zoom in on and explore other galaxies


### JMARS AR Viewer

[App page](https://appshunter.io/ios/app/jmars-ar-viewer/id1501733717)

Explore planetary surfaces in augmented reality using immersive 3D terrain models. Access datasets for celestial bodies like the Moon, Mars, and Earth. Prepare custom scenes in the desktop version for an enhanced AR experience.

**Highlights:** Augmented Reality exploration, 3D terrain visualization, Access to planetary datasets, Custom scene preparation, Moon, Mars, Earth data

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Exoplanet free?

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

### Is JMARS AR Viewer free?

JMARS AR Viewer is free to download, with no in-app purchases.

### Which has better reviews, Exoplanet or JMARS AR Viewer?

JMARS AR Viewer is rated higher. Exoplanet averages 4.7 out of 5 from 974 ratings, while JMARS AR Viewer averages 5.0 from 2 ratings.

### Do Exoplanet or JMARS AR Viewer have ads?

Neither Exoplanet nor JMARS AR Viewer shows ads.

### Which is updated more often, Exoplanet or JMARS AR Viewer?

Exoplanet ships an update every 2 weeks, and JMARS AR Viewer monthly. Most recently, Exoplanet was updated on October 23, 2026 and JMARS AR Viewer on October 16, 2026.

---

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