# Chaos Theory Exploding Pro vs Space Agency 2138

The clearest difference is price: Space Agency 2138 at Free against Chaos Theory Exploding Pro's $0.29. Space Agency 2138 also leads on update cadence (weekly vs every 38 months). Chaos Theory Exploding Pro's advantage is in-app purchases (none vs 15). On ads, device support and iOS requirement there is nothing between them.

Space Agency 2138 is free to download; Chaos Theory Exploding Pro costs $0.29 up front. Space Agency 2138 sells 15 one-off in-app purchases. Chaos Theory Exploding Pro asks for nothing beyond the download.

Chaos Theory Exploding Pro ships an update every 38 months, Space Agency 2138 weekly. The most recent releases landed on October 15, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Chaos Theory Exploding Pro | Space Agency 2138 |
| --- | --- | --- |
| Price | $0.29 | **Free** |
| Rating | — | **[4.3 (222 ratings)](https://appshunter.io/ios/app/space-agency-2138/id1503883099/reviews)** |
| Number of ratings | — | **222** |
| Positive reviews | — | 77.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 38 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 3 MB | 99 MB |
| Requires iOS | **12.0** | 13 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ranz Ursal](https://appshunter.io/developer/1116871834) | [Nooleus](https://appshunter.io/developer/425879096) |

## What reviewers say

### Chaos Theory Exploding Pro

[App page](https://appshunter.io/ios/app/chaos-theory-exploding-pro/id1176267353)

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Chaos Theory Exploding Pro free?

Chaos Theory Exploding Pro costs $0.29, with no in-app purchases.

### Is Space Agency 2138 free?

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

### Do Chaos Theory Exploding Pro or Space Agency 2138 have ads?

Neither Chaos Theory Exploding Pro nor Space Agency 2138 shows ads.

### Which is updated more often, Chaos Theory Exploding Pro or Space Agency 2138?

Chaos Theory Exploding Pro ships an update every 38 months, and Space Agency 2138 weekly. Most recently, Chaos Theory Exploding Pro was updated on October 15, 2026 and Space Agency 2138 on October 19, 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.*