# 911 Operator vs Nuclear inc 2. Atom simulator

The clearest difference is rating: 911 Operator at 4.5 against Nuclear inc 2. Atom simulator's 3.8. 911 Operator also leads on update cadence (every 11 days vs every 26 months) and ratings volume (1.6K vs 158). Nuclear inc 2. Atom simulator's advantage is in-app purchases (none vs 4) and price ($0.99 vs $4.99). On ads and device support there is nothing between them.

911 Operator costs $4.99 and Nuclear inc 2. Atom simulator $0.99 up front. 911 Operator sells 4 one-off in-app purchases. Nuclear inc 2. Atom simulator asks for nothing beyond the download.

911 Operator holds the better App Store score, 4.5 against 3.8. That said, the two scores are not equally well evidenced: 911 Operator has 1.6K ratings behind it against 158, so its average is the more settled of the two. Written reviews complicate that: 55% of 911 Operator's written reviews are positive against 67% of Nuclear inc 2. Atom simulator's, so the app with the better star average is not the one people write more warmly about.

911 Operator ships an update every 11 days, Nuclear inc 2. Atom simulator every 26 months. The most recent releases landed on October 16, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | 911 Operator | Nuclear inc 2. Atom simulator |
| --- | --- | --- |
| Price | $4.99 | **$0.99** |
| Rating | **[4.5 (1.6K ratings)](https://appshunter.io/ios/app/911-operator/id1199822686/reviews)** | [3.8 (158 ratings)](https://appshunter.io/ios/app/nuclear-inc-2-atom-simulator/id1369699810/reviews) |
| Number of ratings | **1.6K** | 158 |
| Positive reviews | 55.2% of reviews | **67.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 26 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 269 MB | 88 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 9+ |
| Developer | [Games Operators S.A.](https://appshunter.io/developer/1404382903) | [Dmitry Lomakin](https://appshunter.io/developer/1369699809) |

## What reviewers say

### 911 Operator

[App page](https://appshunter.io/ios/app/911-operator/id1199822686)

Respond to emergency calls as a dispatcher, providing aid and coordinating police, fire, and medical units. Navigate diverse scenarios and manage resources to save lives in cities worldwide.

**Highlights:** Respond to emergency calls, Dispatch police, fire, and paramedics, Provide first aid instructions, Play on real-world city maps, Manage emergency units and vehicles, Experience over 50 recorded dialogues

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| First Response | $0.99 | one-time |
| Special Resources | $2.99 | one-time |
| Every Life Matters | $3.99 | one-time |
| Search And Rescue DLC | $4.99 | one-time |

**What reviewers like**

- 🚀 Realistic and engaging gameplay
- 👍 Ability to play in own city
- 👍 Detailed 911 calls
- 👍 Challenging and addictive

**What reviewers complain about**

- 🐛 Crashes and bugs
- 🔧 Difficult to control units
- 🔧 Repetitive call scenarios
- 🔧 Unoptimized for newer iPhone screens

**Reported bugs**

- Inability to delete teams
- Stuck on earthquake level after completion
- DLC purchases not working properly
- Frequent crashes and freezes

**Requested features**

- Sandbox mode with unlimited money
- More unique emergency scenarios
- Ability to customize dispatcher voice
- Support for additional emergency services (SWAT, military, etc.)
- Improved map navigation and unit management


### 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 911 Operator free?

911 Operator costs $4.99, 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, 911 Operator or Nuclear inc 2. Atom simulator?

911 Operator is rated higher. 911 Operator averages 4.5 out of 5 from 1.6K ratings, while Nuclear inc 2. Atom simulator averages 3.8 from 158 ratings.

### Do 911 Operator or Nuclear inc 2. Atom simulator have ads?

Neither 911 Operator nor Nuclear inc 2. Atom simulator shows ads.

### Which is updated more often, 911 Operator or Nuclear inc 2. Atom simulator?

911 Operator ships an update every 11 days, and Nuclear inc 2. Atom simulator every 26 months. Most recently, 911 Operator was updated on October 16, 2026 and Nuclear inc 2. Atom simulator on October 17, 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.*