# Space Frontier 2 vs Interplanetary III

The clearest difference is price: Space Frontier 2 at Free against Interplanetary III's $0.99. Space Frontier 2 also leads on ratings volume (47K vs 23) and rating (4.7 vs 4.5). Interplanetary III's advantage is ads (none vs shown) and update cadence (every 2 weeks vs monthly). On review sentiment, in-app purchases and device support there is nothing between them.

Space Frontier 2 is free to download; Interplanetary III costs $0.99 up front. Space Frontier 2 sells 2 in-app purchases, starting at $7.99 per 7 days and Interplanetary III sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Space Frontier 2 holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: Space Frontier 2 has 47K ratings behind it against 23, so its average is the more settled of the two. Written reviews point the same way: 39% of Space Frontier 2's written reviews are positive against 33% of Interplanetary III's.

Space Frontier 2 ships an update monthly, Interplanetary III every 2 weeks. The most recent releases landed on October 15, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Space Frontier 2 | Interplanetary III |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.7 (47K ratings)](https://appshunter.io/ios/app/space-frontier-2/id1355694041/reviews)** | [4.5 (23 ratings)](https://appshunter.io/ios/app/interplanetary-iii/id1435464696/reviews) |
| Number of ratings | **47K** | 23 |
| Positive reviews | **38.9% of reviews** | 33.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | **Freemium** | Paid |
| Size | 285 MB | 338 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 12+ | 4+ |
| Developer | [Ketchapp](https://appshunter.io/developer/528065807) | [Wenda Li](https://appshunter.io/developer/1435464695) |

## What reviewers say

### Space Frontier 2

[App page](https://appshunter.io/ios/app/space-frontier-2/id1355694041)

Embark on an epic space adventure across numerous solar systems and planets. Discover new technologies, customize your fleet with unique spaceship styles, and strive to rule the galaxy in this expansive exploration game.

**Highlights:** 50 Solar Systems to conquer, Hundreds of planets to colonize, 50 Spaceship technologies, Unique spaceship styles, Rule the Galaxy

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Elite Membership | $7.99 | per 7 days |
| No Ads | $2.99 | one-time |

**What reviewers like**

- 🚀 Great game
- 🚀 Fun and addictive
- 🚀 Chill and relaxing
- 🚀 Excellent brainless fun
- 🚀 Satisfying gameplay

**What reviewers complain about**

- 🔍 Too many ads
- 🐛 Crashes and bugs
- 💰 Expensive subscription
- 🔍 Ad interruptions during gameplay
- 🔍 Aggressive monetization

**Reported bugs**

- Offline earnings not tracking correctly
- Game crashes after reaching certain progress
- Ads causing game to freeze or crash
- Sound issues (music cutting out)
- Glitches with astronaut count and progression

**Requested features**

- Add more planets and galaxies
- Ability to rename planets
- Offline earnings tracking
- Customization options for rockets
- Ability to view progress on colonized planets


### Interplanetary III

[App page](https://appshunter.io/ios/app/interplanetary-iii/id1435464696)

Experience an immersive 3D rocket simulation game. Launch, fly, and control renowned rockets from around the world to destinations like the Moon and Mars. Navigate through space encountering meteorites and asteroids for a thrilling journey.

**Highlights:** 3D rocket simulation, Launch and fly rockets, Control renowned rockets, Explore Moon and Mars, Encounter space phenomena, Simple launch mechanics

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Cosmic Cube | $1.99 | one-time |
| Three Cosmic Cubes | $4.99 | one-time |
| Six Cosmic Cubes | $8.99 | one-time |
| Own All Rockets | $19.99 | one-time |


## Frequently asked questions

### Is Space Frontier 2 free?

Space Frontier 2 is free to download, with in-app purchases available.

### Is Interplanetary III free?

Interplanetary III costs $0.99, and also offers in-app purchases.

### Which has better reviews, Space Frontier 2 or Interplanetary III?

Space Frontier 2 is rated higher. Space Frontier 2 averages 4.7 out of 5 from 47K ratings, while Interplanetary III averages 4.5 from 23 ratings.

### Do Space Frontier 2 or Interplanetary III have ads?

Space Frontier 2 shows ads; Interplanetary III does not.

### Which is updated more often, Space Frontier 2 or Interplanetary III?

Space Frontier 2 ships an update monthly, and Interplanetary III every 2 weeks. Most recently, Space Frontier 2 was updated on October 15, 2026 and Interplanetary III on October 3, 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.*