# Exoplanet vs TriBlackHolesHD

The clearest difference is review sentiment: Exoplanet at 91% against TriBlackHolesHD's 14%. Exoplanet also leads on rating (4.7 vs 2.8) and update cadence (every 2 weeks vs every 23 months). TriBlackHolesHD's advantage is in-app purchases (none vs 7). 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. TriBlackHolesHD asks for nothing beyond the download.

Exoplanet holds the better App Store score, 4.7 against 2.8. That said, the two scores are not equally well evidenced: Exoplanet has 956 ratings behind it against 42, 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 14% of TriBlackHolesHD's.

Exoplanet ships an update every 2 weeks, TriBlackHolesHD every 23 months. The most recent releases landed on September 30, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Exoplanet | TriBlackHolesHD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (956 ratings)](https://appshunter.io/ios/app/exoplanet/id327702034/reviews)** | [2.8 (42 ratings)](https://appshunter.io/ios/app/triblackholeshd/id1491286521/reviews) |
| Number of ratings | **956** | 42 |
| Positive reviews | **90.9% of reviews** | 14.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 23 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 105 MB | 56 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | **iPhone, iPad, iPod, Apple TV** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hanno Rein](https://appshunter.io/developer/325840976) | [Francois PIEDNOEL](https://appshunter.io/developer/1044169697) |

## 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


### TriBlackHolesHD

[App page](https://appshunter.io/ios/app/triblackholeshd/id1491286521)

Experience the hypnotic lensing of light around three black holes. This app offers an exact lensing algorithm to observe this fascinating astrophysical phenomenon, providing a unique perspective on the universe.

**Highlights:** Observing light lensing, Exact lensing algorithm, Triple black hole simulation, Educational perspective on astrophysics

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Exoplanet free?

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

### Is TriBlackHolesHD free?

TriBlackHolesHD is free to download, with no in-app purchases.

### Which has better reviews, Exoplanet or TriBlackHolesHD?

Exoplanet is rated higher. Exoplanet averages 4.7 out of 5 from 956 ratings, while TriBlackHolesHD averages 2.8 from 42 ratings.

### Do Exoplanet or TriBlackHolesHD have ads?

Neither Exoplanet nor TriBlackHolesHD shows ads.

### Which is updated more often, Exoplanet or TriBlackHolesHD?

Exoplanet ships an update every 2 weeks, and TriBlackHolesHD every 23 months. Most recently, Exoplanet was updated on September 30, 2026 and TriBlackHolesHD on September 16, 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.*