# Exoplanet vs Space Telescope App

The clearest difference is review sentiment: Exoplanet at 91% against Space Telescope App's 40%. Exoplanet also leads on rating (4.7 vs 4.0) and ads (none vs shown). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. Exoplanet sells 7 one-off in-app purchases and Space Telescope App sells 4 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Exoplanet holds the better App Store score, 4.7 against 4.0. That said, the two scores are not equally well evidenced: Exoplanet has 956 ratings behind it against 30, so its average is the more settled of the two. Written reviews point the same way: 91% of Exoplanet's written reviews are positive against 40% of Space Telescope App's.

Exoplanet ships an update every 2 weeks, Space Telescope App every 10 days. The most recent releases landed on October 17, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Exoplanet | Space Telescope App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (956 ratings)](https://appshunter.io/ios/app/exoplanet/id327702034/reviews)** | [4.0 (30 ratings)](https://appshunter.io/ios/app/space-telescope-app/id1603876992/reviews) |
| Number of ratings | **956** | 30 |
| Positive reviews | **90.9% of reviews** | 40.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Every 10 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 105 MB | 104 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod, Apple TV** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hanno Rein](https://appshunter.io/developer/325840976) | [KAKHA GIORGASHVILI](https://appshunter.io/developer/1501353984) |

## 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


### Space Telescope App

[App page](https://appshunter.io/ios/app/space-telescope-app/id1603876992)

Explore the universe with real-time updates and stunning visuals from NASA's James Webb Space Telescope. Engage with expert insights, join community discussions, and test your knowledge with interactive quizzes. Discover distant galaxies and unlock the secrets of the early universe.

**Highlights:** Live mission updates, Breathtaking image gallery, Expert Q&A with astronomers, Community discussions, Interactive space quizzes, 3D solar system explorer, Exclusive wallpapers

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Ad-Free Plan | $4.99 | per month |
| Ad-Free Annual Access | $29.99 | per year |
| Premium | $2.99 | one-time |
| Buy 1M Points | $99.99 | one-time |


## Frequently asked questions

### Is Exoplanet free?

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

### Is Space Telescope App free?

Space Telescope App is free to download, with in-app purchases available.

### Which has better reviews, Exoplanet or Space Telescope App?

Exoplanet is rated higher. Exoplanet averages 4.7 out of 5 from 956 ratings, while Space Telescope App averages 4.0 from 30 ratings.

### Do Exoplanet or Space Telescope App have ads?

Space Telescope App shows ads; Exoplanet does not.

### Which is updated more often, Exoplanet or Space Telescope App?

Exoplanet ships an update every 2 weeks, and Space Telescope App every 10 days. Most recently, Exoplanet was updated on October 17, 2026 and Space Telescope App on October 21, 2026.

---

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