# Exoplanet Explorer vs TankEvolution

The clearest difference is in-app purchases: TankEvolution at none against Exoplanet Explorer's 4. Exoplanet Explorer's advantage is device support (5 vs 1) and iOS requirement (18.0 vs 26.2). On price, update cadence and ads there is nothing between them.

Both are free to download. Exoplanet Explorer sells 4 in-app purchases, starting at $2.99 per 3 months. TankEvolution asks for nothing beyond the download.

Exoplanet Explorer ships an update every 2 weeks, TankEvolution every 10 days. The most recent releases landed on October 25, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Exoplanet Explorer | TankEvolution |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (70 ratings)](https://appshunter.io/ios/app/exoplanet-explorer/id1457614833/reviews)** | — |
| Number of ratings | **70** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 10 days** |
| Monetization | Freemium | — |
| Size | 171 MB | 6 MB |
| Requires iOS | **18.0** | 26.2 |
| Devices | **iPhone, iPad, Mac, Apple Watch, Vision Pro** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Carsten Knoblich](https://appshunter.io/developer/541438854) | [书心 刘](https://appshunter.io/developer/1803394678) |

## What reviewers say

### Exoplanet Explorer

[App page](https://appshunter.io/ios/app/exoplanet-explorer/id1457614833)

Explore a vast catalog of over 6,000 confirmed exoplanets with detailed scientific data. Compare worlds, visualize habitable zones, and track new discoveries. Ideal for stargazers, students, educators, and researchers.

**Highlights:** 6,000+ confirmed exoplanets, Detailed scientific data, Advanced filtering and sorting, Planet comparison tool, Habitable zone analysis, Home screen widgets, Apple Watch companion app

**Features:** Family Sharing, Apple Watch app

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3 months subscription | $2.99 | per 3 months |
| 12 months subscription | $6.99 | per year |
| Big supporting tip | $2.99 | one-time |
| Really big supporting tip | $4.99 | one-time |


### TankEvolution

[App page](https://appshunter.io/ios/app/tankevolution/id6765849271)

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

**In-app purchases:** none


## Frequently asked questions

### Is Exoplanet Explorer free?

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

### Is TankEvolution free?

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

### Do Exoplanet Explorer or TankEvolution have ads?

Neither Exoplanet Explorer nor TankEvolution shows ads.

### Which is updated more often, Exoplanet Explorer or TankEvolution?

Exoplanet Explorer ships an update every 2 weeks, and TankEvolution every 10 days. Most recently, Exoplanet Explorer was updated on October 25, 2026 and TankEvolution on October 26, 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.*