# Space Agency vs Nuclear inc 2. Atom simulator

The clearest difference is rating: Space Agency at 4.4 against Nuclear inc 2. Atom simulator's 3.8. Space Agency also leads on update cadence (every 2 months vs every 26 months) and chart position (#124 vs unranked). Nuclear inc 2. Atom simulator's advantage is in-app purchases (none vs 11) and price ($0.99 vs $1.99). On ads and device support there is nothing between them.

Space Agency costs $1.99 and Nuclear inc 2. Atom simulator $0.99 up front. Space Agency sells 11 one-off in-app purchases. Nuclear inc 2. Atom simulator asks for nothing beyond the download.

Space Agency holds the better App Store score, 4.4 against 3.8. Both are backed by a comparable volume of ratings — 738 and 158 respectively. Written reviews point the same way: 75% of Space Agency's written reviews are positive against 67% of Nuclear inc 2. Atom simulator's.

Space Agency ships an update every 2 months, Nuclear inc 2. Atom simulator every 26 months. Both last shipped on October 26, 2026.

## The numbers

| Metric | Space Agency | Nuclear inc 2. Atom simulator |
| --- | --- | --- |
| Price | $1.99 | **$0.99** |
| Rating | **[4.4 (738 ratings)](https://appshunter.io/ios/app/space-agency/id542397575/reviews)** | [3.8 (158 ratings)](https://appshunter.io/ios/app/nuclear-inc-2-atom-simulator/id1369699810/reviews) |
| Number of ratings | **738** | 158 |
| Positive reviews | **75.3% of reviews** | 67.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 26 months |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | **#124** | — |
| Size | 29 MB | 88 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Nooleus](https://appshunter.io/developer/425879096) | [Dmitry Lomakin](https://appshunter.io/developer/1369699809) |

## What reviewers say

### Space Agency

[App page](https://appshunter.io/ios/app/space-agency/id542397575)

**Currently charting:** #124 Top Paid · Strategy, #139 Top Paid · Simulation (US App Store)

Design, construct, and launch your own rockets and satellites. Build a space station and explore the solar system in this challenging simulation game for aspiring astronauts.

**Highlights:** Build rockets, Launch satellites, Create a space station, Explore the solar system, Challenging gameplay

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mission 02 Skip | $0.99 | one-time |
| Mission 12 Skip | $0.99 | one-time |
| Mission 15 Skip | $0.99 | one-time |
| Mission 16 Skip | $0.99 | one-time |
| Transponder Module | $0.99 | one-time |
| 50 Quick Launches | $1.99 | one-time |
| 1000 Quick Launches | $3.99 | one-time |
| Nooleus X Parts Pack | $3.99 | one-time |
| Mission Free Unlock-All | $4.99 | one-time |
| Sandbox Unlock All Parts | $7.99 | one-time |
| Sandbox Unlock Standard Parts | $7.99 | one-time |

**What reviewers like**

- 🚀 Challenging and fun gameplay
- 👍 Great value for money
- 🚀 Smooth gameplay and controls
- 🚀 Addictive and engaging
- 👍 Realistic space simulation

**What reviewers complain about**

- 🐛 Occasional bugs and glitches
- 🔒 Limited parts and features in sandbox mode
- 🔒 Microtransactions for additional content
- 🐛 Difficulty with certain missions
- 🔒 Lack of updates and new content

**Reported bugs**

- Sandbox mode parts not unlocking properly
- Crashes and freezes during gameplay
- Inability to restore purchased content
- Glitches with certain rocket and station designs
- Inconsistent performance on different devices

**Requested features**

- Add space shuttle functionality
- Introduce astronauts and crew management
- Expand the solar system with more planets and moons
- Implement a more realistic orbital mechanics system
- Add multiplayer and co-op capabilities


### Nuclear inc 2. Atom simulator

[App page](https://appshunter.io/ios/app/nuclear-inc-2-atom-simulator/id1369699810)

Simulate and control a nuclear power plant, managing complex systems to prevent disasters. Navigate through challenging levels, including historical events, and utilize improvements to optimize reactor operations. Experience a realistic and engaging simulation with a focus on risk and critical decision-making.

**Highlights:** Realistic nuclear reactor control system, Detailed training mode, Fukushima and Chernobyl locations, Unique gameplay mechanics, Emergency incident simulations, Multiple language support

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 💡 Unique nuclear reactor simulation concept
- 🎮 Engaging and challenging gameplay mechanics
- 💰 Affordable price point (under $1-2)
- 📚 Educational value about nuclear power plants
- 🎨 Minimalist and clean visual design

**What reviewers complain about**

- ⏱️ Severe difficulty spike at later levels
- 🎲 Excessive randomness in disaster events
- ⏰ Unrealistic time pressure and constraints
- 💸 Insufficient starting money on higher levels
- 🌍 Poor translation quality in multiple languages

**Reported bugs**

- Level 2 core cooling stuck/unresponsive
- Fuel rod recharge not working properly on level 5
- Negative temperature exploit causing reactor malfunction
- Upgrades not functioning correctly
- Mobile touch controls not registering interactions

**Requested features**

- Sandbox/free play mode accessible earlier or unlocked after fewer levels
- Additional levels and missions
- More reactor types and customization options
- Fusion reactor option
- Submarine game mode (promised but never delivered)


## Frequently asked questions

### Is Space Agency free?

Space Agency costs $1.99, and also offers in-app purchases.

### Is Nuclear inc 2. Atom simulator free?

Nuclear inc 2. Atom simulator costs $0.99, with no in-app purchases.

### Which has better reviews, Space Agency or Nuclear inc 2. Atom simulator?

Space Agency is rated higher. Space Agency averages 4.4 out of 5 from 738 ratings, while Nuclear inc 2. Atom simulator averages 3.8 from 158 ratings.

### Do Space Agency or Nuclear inc 2. Atom simulator have ads?

Neither Space Agency nor Nuclear inc 2. Atom simulator shows ads.

### Which is updated more often, Space Agency or Nuclear inc 2. Atom simulator?

Space Agency ships an update every 2 months, and Nuclear inc 2. Atom simulator every 26 months. Most recently, Space Agency was updated on October 26, 2026 and Nuclear inc 2. Atom simulator 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.*