# Space Agency 2138 vs Blue Box Simulator

The clearest difference is ads: Space Agency 2138 at none against Blue Box Simulator's shown. Blue Box Simulator's advantage is rating (4.5 vs 4.3). On price, review sentiment, ratings volume and update cadence there is nothing between them.

Both are free to download. Space Agency 2138 sells 15 one-off in-app purchases and Blue Box Simulator sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Blue Box Simulator holds the better App Store score, 4.5 against 4.3. Both are backed by a comparable volume of ratings — 228 and 111 respectively. Written reviews point the same way: 78% of Space Agency 2138's written reviews are positive against 79% of Blue Box Simulator's.

Space Agency 2138 ships an update weekly, Blue Box Simulator every 2 weeks. The most recent releases landed on October 27, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Space Agency 2138 | Blue Box Simulator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (228 ratings)](https://appshunter.io/ios/app/space-agency-2138/id1503883099/reviews) | **[4.5 (111 ratings)](https://appshunter.io/ios/app/blue-box-simulator/id1557069711/reviews)** |
| Number of ratings | **228** | 111 |
| Positive reviews | 77.8% of reviews | **79.2% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 99 MB | 2.4 GB |
| Requires iOS | 13 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nooleus](https://appshunter.io/developer/425879096) | [Jesus Garces Villarrubia](https://appshunter.io/developer/1518826992) |

## What reviewers say

### Space Agency 2138

[App page](https://appshunter.io/ios/app/space-agency-2138/id1503883099)

Design and launch rockets to explore a new Solar System. Mine resources on alien worlds to expand your organization, build space stations, and establish bases. Manage your growing enterprise as you venture into the cosmos.

**Highlights:** Build rockets, Build space stations, Build bases on other worlds, Explore a new Solar System, Mine resources, Manage growing organization

**Features:** Vision Pro support

**In-app purchases (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| QBD Crystals 10 | $0.99 | one-time |
| 1 Mission Skip | $0.99 | one-time |
| Carbon Fairings Pack | $1.99 | one-time |
| QBD Crystals 25 | $1.99 | one-time |
| Aerospike Engine | $1.99 | one-time |
| Marine Spacesuite | $2.99 | one-time |
| Onyx 1st Stage | $2.99 | one-time |
| Onyx 2nd Stage | $2.99 | one-time |
| Medical Bay | $2.99 | one-time |
| QBD Crystals 100 | $2.99 | one-time |
| 5 Mission Skips | $2.99 | one-time |
| Builder III | $2.99 | one-time |
| QBD Crystals 1000 | $4.99 | one-time |
| 10 Mission Skips | $4.99 | one-time |
| QBD Crystals 10000 | $19.99 | one-time |

**What reviewers like**

- 🚀 Enjoyable gameplay
- 👍 Visually appealing graphics
- 🚀 Addictive and time-consuming
- 🚀 Unique space exploration experience
- 👍 Well-made game

**What reviewers complain about**

- 🐛 Bugs and crashes
- 🔒 Difficult controls and UI
- 🔒 Lack of sandbox mode
- 🔒 Complicated mechanics
- 🔒 Lack of autopilot and automation

**Reported bugs**

- Crashing issues when transferring resources
- Disappearing space stations
- Rockets pointing upside down on reentry
- Inability to build certain spacecraft
- Docking and landing issues

**Requested features**

- Add sandbox mode
- Improve controls and UI
- Introduce more automation and autopilot features
- Add more rocket and spacecraft variety
- Expand resource management and economy


### Blue Box Simulator

[App page](https://appshunter.io/ios/app/blue-box-simulator/id1557069711)

Embark on interstellar journeys with a virtual time and space machine. Explore planets, engage in manual flight with warp capabilities, or utilize autopilot for guided expeditions. Experience time travel through a vortex for ultimate exploration.

**Highlights:** Time and space travel simulation, Manual flight with warp capabilities, Autopilot for guided navigation, Time vortex travel, Planet exploration, Superluminal speed travel

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Access to the 3D Earth | $0.99 | per month |
| Cup of tea | $0.99 | one-time |
| Unlock All The Extra Content | $3.99 | one-time |

**What reviewers like**

- 🚀 Fantastic game
- 👍 Great graphics and gameplay
- 🎨 Awesome TARDIS interiors
- 🎮 Immersive Doctor Who experience

**What reviewers complain about**

- 🐛 Crashes and glitches
- 🤖 Lack of alien species/enemies
- 🗺️ Limited planets and locations
- 🔌 Performance issues on some devices

**Reported bugs**

- Crashing when trying to land on planets
- Chameleon circuit issues causing problems
- Google Maps API unavailability
- Controls and navigation not always intuitive

**Requested features**

- Add 13th, 14th, and 15th Doctor's TARDIS interiors
- Implement more rooms and areas to explore within the TARDIS
- Introduce quests, companions, and other Doctor Who elements
- Optimize performance and stability across devices


## Frequently asked questions

### Is Space Agency 2138 free?

Space Agency 2138 is free to download, with in-app purchases available.

### Is Blue Box Simulator free?

Blue Box Simulator is free to download, with in-app purchases available.

### Which has better reviews, Space Agency 2138 or Blue Box Simulator?

Blue Box Simulator is rated higher. Space Agency 2138 averages 4.3 out of 5 from 228 ratings, while Blue Box Simulator averages 4.5 from 111 ratings.

### Do Space Agency 2138 or Blue Box Simulator have ads?

Blue Box Simulator shows ads; Space Agency 2138 does not.

### Which is updated more often, Space Agency 2138 or Blue Box Simulator?

Space Agency 2138 ships an update weekly, and Blue Box Simulator every 2 weeks. Most recently, Space Agency 2138 was updated on October 27, 2026 and Blue Box Simulator on October 29, 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.*