Reactor 2: Idle Nuclear Tycoon: iPhone vs Android
Reactor 2: Idle Nuclear Tycoon gets 1k+ downloads a day worldwide (AppInsider estimate, October 2026, rounded down to a band).
Reactor 2: Idle Nuclear Tycoon by Robert Grzybek is on both the App Store and Google Play. Here are both versions together: downloads, users, revenue, ratings and chart positions, store by store with totals.
Rating
4.4 ★
3.1k ratings, both stores
Measured
Best rank now
#74
Android · 
Games › Strategy Free
Games › Strategy FreeMeasured
Reactor 2: Idle Nuclear Tycoon at a glance
AI summary written from our chart and store data. It can be wrong: check the numbers above.
Idle Tycoon Pixel Sci-fi short sessions IAP Ads
#idle #tycoon #simulation #strategy #offline #management
App Store
App details
App ID
6761125316
Publisher
Robert Grzybek
Publisher country
Poland
On the store since
Jul 2026
Under a year
Minimum OS
iOS 15.0+
iPhone 6s and later
Devices
iPhone · iPad
Universal purchase · Game Center
Content rating
4+
Languages
26
CS DA NL EN FI FR DE HU ID IT JA KO …
Size
254 MB
Also listed in
Simulation, Strategy
Google Play
App details
App ID
com.rsgapps.reactor.two
Publisher
Robert Grzybek RSG
Publisher country
Poland
Content rating
Everyone
Reactor 2: Idle Nuclear Tycoon downloads & installs
Both stores, worldwide. Bands are open; exact numbers are free with an account.
| Store | Downloads / day | Lifetime installs |
|---|---|---|
| iPhone | – | 10k+ |
| Google Play | 1k+ | 100k+ Measured |
| Total | 1k+ Confidence | 100k+ Confidence |
How this is calculated
iPhone: chart positions and rating growth per country, anchored on its own Android downloads; lifetime from ratings worldwide × installs per rating. Google Play: the daily change in its exact install count. The total adds every store.
Where Reactor 2: Idle Nuclear Tycoon's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
In-app revenue
Worldwide, what users spend before Apple and Google take their fee.
| Store | Per day | Per month | Share |
|---|---|---|---|
| App Store | |||
| Google Play | |||
| Total | Confidence | 100% |
Business model: In-app purchase-led
How Reactor 2: Idle Nuclear Tycoon makes money: subscriptions, one-off purchases and ads.
In-app purchasesAds · 16 ad networks
One-off purchases
/mo
of revenue
Ads
/mo
of revenue
Where it ranks now
Both stores, across every country we track.
Ratings
Both stores. Store data, measured.
| Store | Rating | Ratings |
|---|---|---|
| App Store | 4.9 ★ | 34 |
| Google Play | 4.4 ★ | 3.1k 49 written reviews |
| Both stores | 4.4 ★ weighted by ratings | 3.1k |
About Reactor 2: Idle Nuclear Tycoon
Build a power empire where every tile matters.
Reactor 2 expands the original idle tycoon with a living city, island progression, deeper quests, and new late-game technology. Start with a wind turbine, produce heat, turn it into electricity, and keep a growing city powered.
BUILD AND OPTIMIZE
Place reactors, generators, and heat sinks to create an efficient grid. Rearrange buildings as demand grows, solve bottlenecks, and balance output, cooling, space, and cost.
CONTROL THE HEAT
Heat drives your production chain. Convert it into electricity, cool overloaded systems, and keep the grid running. Overheated reactors pause and cool down instead of exploding, giving you room to experiment with better layouts.
GROW WHILE YOU ARE AWAY
Collect offline income, invest in research, and return to a city ready for its next expansion. Play in short sessions or spend time perfecting every part of your grid.
RESEARCH THE FUTURE
Advance from wind, solar, hydro, and tidal power to nuclear, fusion, antimatter, arc, and black hole reactors. Every tier introduces new strategic decisions—not only bigger numbers.
EXPLORE AND EXPAND
Restore power across unique islands, complete chapter-based quests, unlock buildings, and watch the city grow with your output.
WHY PLAY REACTOR 2?
• A hands-on heat-to-electricity simulation
• Idle progress supported by meaningful strategy
• Flexible building layouts and deep research
• A living city powered by your decisions
• No forced ad breaks during normal play
• Regular updates from a small indie team that listens to player feedback
• Refined pixel art from a small indie studio
Build the grid. Master the heat. Power the city.
Terms of Service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://rsgapps.com/privacypolicy.htm
Reactor 2 expands the original idle tycoon with a living city, island progression, deeper quests, and new late-game technology. Start with a wind turbine, produce heat, turn it into electricity, and keep a growing city powered.
BUILD AND OPTIMIZE
Place reactors, generators, and heat sinks to create an efficient grid. Rearrange buildings as demand grows, solve bottlenecks, and balance output, cooling, space, and cost.
CONTROL THE HEAT
Heat drives your production chain. Convert it into electricity, cool overloaded systems, and keep the grid running. Overheated reactors pause and cool down instead of exploding, giving you room to experiment with better layouts.
GROW WHILE YOU ARE AWAY
Collect offline income, invest in research, and return to a city ready for its next expansion. Play in short sessions or spend time perfecting every part of your grid.
RESEARCH THE FUTURE
Advance from wind, solar, hydro, and tidal power to nuclear, fusion, antimatter, arc, and black hole reactors. Every tier introduces new strategic decisions—not only bigger numbers.
EXPLORE AND EXPAND
Restore power across unique islands, complete chapter-based quests, unlock buildings, and watch the city grow with your output.
WHY PLAY REACTOR 2?
• A hands-on heat-to-electricity simulation
• Idle progress supported by meaningful strategy
• Flexible building layouts and deep research
• A living city powered by your decisions
• No forced ad breaks during normal play
• Regular updates from a small indie team that listens to player feedback
• Refined pixel art from a small indie studio
Build the grid. Master the heat. Power the city.
Terms of Service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://rsgapps.com/privacypolicy.htm
Reactor 2: Idle Nuclear Tycoon iPhone
Reactor 2: Idle Nuclear Tycoon gets 1k+ downloads a day worldwide (AppInsider estimate, October 2026, rounded down to a band).
Not in any tracked top chart right now.
Updated 25 Oct 2026 · rankings refresh through the day
DeveloperRobert Grzybek
CategoryGames
PriceFree
Released
Rating★ 4.9 (34)
Version1.1.11
Age rating4+
First seen by us 24 Oct 2026
24 Oct 2026Installs (est.)10k+ worldwide
Rating
4.9 ★
34 ratings
Measured
Reactor 2: Idle Nuclear Tycoon on the App Store
App details
App ID
6761125316
Publisher
Robert Grzybek
Publisher country
Poland
On the store since
Jul 2026
Under a year
Minimum OS
iOS 15.0+
iPhone 6s and later
Devices
iPhone · iPad
Universal purchase · Game Center
Content rating
4+
Languages
26
CS DA NL EN FI FR DE HU ID IT JA KO …
Size
254 MB
Also listed in
Simulation, Strategy
Reactor 2: Idle Nuclear Tycoon downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Apple publishes no download counts. iPhone downloads come from chart positions and daily rating growth per country, calibrated on Google Play install counts; lifetime installs from ratings worldwide × installs per rating. Confidence is the chance the real number is within half to double ours.
Where Reactor 2: Idle Nuclear Tycoon's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
In-app revenue
Worldwide, what users spend in Reactor 2: Idle Nuclear Tycoon before Apple and Google take their fee.
How this is calculated
Not on any Top Grossing chart: monthly active users × spend per user for its category, measured on the charted apps nearest the bottom of the charts.
Business model: In-app purchase-led
How Reactor 2: Idle Nuclear Tycoon makes money: subscriptions, one-off purchases and ads.
In-app purchasesAds · 16 ad networks
One-off purchases
/mo
of revenue
Ads
/mo
of revenue
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Not charting right now. | ||
Ratings
App Store, worldwide.
Rating
4.9 ★
34 ratings
Measured
Ratings
34
Measured
About Reactor 2: Idle Nuclear Tycoon
Build a power empire where every tile matters.
Reactor 2 expands the original idle tycoon with a living city, island progression, deeper quests, and new late-game technology. Start with a wind turbine, produce heat, turn it into electricity, and keep a growing city powered.
BUILD AND OPTIMIZE
Place reactors, generators, and heat sinks to create an efficient grid. Rearrange buildings as demand grows, solve bottlenecks, and balance output, cooling, space, and cost.
CONTROL THE HEAT
Heat drives your production chain. Convert it into electricity, cool overloaded systems, and keep the grid running. Overheated reactors pause and cool down instead of exploding, giving you room to experiment with better layouts.
GROW WHILE YOU ARE AWAY
Collect offline income, invest in research, and return to a city ready for its next expansion. Play in short sessions or spend time perfecting every part of your grid.
RESEARCH THE FUTURE
Advance from wind, solar, hydro, and tidal power to nuclear, fusion, antimatter, arc, and black hole reactors. Every tier introduces new strategic decisions—not only bigger numbers.
EXPLORE AND EXPAND
Restore power across unique islands, complete chapter-based quests, unlock buildings, and watch the city grow with your output.
WHY PLAY REACTOR 2?
• A hands-on heat-to-electricity simulation
• Idle progress supported by meaningful strategy
• Flexible building layouts and deep research
• A living city powered by your decisions
• No forced ad breaks during normal play
• Regular updates from a small indie team that listens to player feedback
• Refined pixel art from a small indie studio
Build the grid. Master the heat. Power the city.
Terms of Service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://rsgapps.com/privacypolicy.htm
Reactor 2 expands the original idle tycoon with a living city, island progression, deeper quests, and new late-game technology. Start with a wind turbine, produce heat, turn it into electricity, and keep a growing city powered.
BUILD AND OPTIMIZE
Place reactors, generators, and heat sinks to create an efficient grid. Rearrange buildings as demand grows, solve bottlenecks, and balance output, cooling, space, and cost.
CONTROL THE HEAT
Heat drives your production chain. Convert it into electricity, cool overloaded systems, and keep the grid running. Overheated reactors pause and cool down instead of exploding, giving you room to experiment with better layouts.
GROW WHILE YOU ARE AWAY
Collect offline income, invest in research, and return to a city ready for its next expansion. Play in short sessions or spend time perfecting every part of your grid.
RESEARCH THE FUTURE
Advance from wind, solar, hydro, and tidal power to nuclear, fusion, antimatter, arc, and black hole reactors. Every tier introduces new strategic decisions—not only bigger numbers.
EXPLORE AND EXPAND
Restore power across unique islands, complete chapter-based quests, unlock buildings, and watch the city grow with your output.
WHY PLAY REACTOR 2?
• A hands-on heat-to-electricity simulation
• Idle progress supported by meaningful strategy
• Flexible building layouts and deep research
• A living city powered by your decisions
• No forced ad breaks during normal play
• Regular updates from a small indie team that listens to player feedback
• Refined pixel art from a small indie studio
Build the grid. Master the heat. Power the city.
Terms of Service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://rsgapps.com/privacypolicy.htm
Latest updates
1.1.11
• New research: Chrono Seed! Unlock 6 ranks to skip up to 30 chapters after a Time Jump.
• Replace existing buildings directly from the build panel.
• Export your power plant layout to the optimiser from Settings.
• Time Jump requirements now increase with each jump.
• Updated cooler visuals and fixes to the interface and text display.
More from Robert Grzybek
Reactor 2: Nuclear Tycoon Android
Reactor 2: Nuclear Tycoon gets 1k+ downloads a day worldwide (AppInsider estimate, October 2026, rounded down to a band).
Reactor 2: Nuclear Tycoon is #74 in Games › Strategy Free on Google Play in Russia and charting in 6 of 23 countries we track.
Updated 25 Oct 2026 · rankings refresh through the day
DeveloperRSGapps - Idle Tycoon Games
CategoryGames › Strategy
PriceFree
Released
Installs100k+
Rating★ 4.4 (3.1k)
Updated
Content ratingEveryone
Rating
4.4 ★
3.1k ratings
Measured
Best rank now
#74
Games › Strategy FreeMeasured
Reactor 2: Nuclear Tycoon at a glance
AI summary written from our chart and store data. It can be wrong: check the numbers above.
Idle Tycoon Pixel Sci-fi short sessions IAP Ads
#idle #tycoon #simulation #strategy #offline #management
Reactor 2: Nuclear Tycoon on Google Play
App details
App ID
com.rsgapps.reactor.two
Publisher
Robert Grzybek RSG
Publisher country
Poland
Content rating
Everyone
Reactor 2: Nuclear Tycoon downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Google Play shows an exact lifetime install count; downloads per day are its daily change (measured). When Play hasn't refreshed the count, they come from new ratings and Top Free chart positions. Confidence is the chance the real number is within half to double ours.
Where Reactor 2: Nuclear Tycoon's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
Retention · share of new users still active
Day 1
Day 7
Day 30
Time spent · per daily user
Average time spent Pro
min a day
Sessions a day Pro
Time per session Pro
min
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
In-app revenue
Worldwide, what users spend in Reactor 2: Nuclear Tycoon before Apple and Google take their fee.
How this is calculated
Not on any Top Grossing chart: monthly active users × spend per user for its category, measured on the charted apps nearest the bottom of the charts.
Business model: In-app purchase-led
How Reactor 2: Nuclear Tycoon makes money: subscriptions, one-off purchases and ads.
In-app purchasesAds · 16 ad networks
One-off purchases
/mo
of revenue
Ads
/mo
of revenue
Where it ranks on Google Play
Every top 200 chart it appears in across 23 countries.
| Country | Charts | Rank |
|---|---|---|
| Russia | Games › StrategyFree | #74 |
 Germany | Games › StrategyFree | #191 |
 France | Games › StrategyFree | #163 |
 Canada | Games › StrategyFree | #186 |
 Italy | Games › StrategyFree | #174 |
 Netherlands | Games › StrategyFree | #129 |
Apps near Reactor 2: Nuclear Tycoon on the chart
Games › Strategy Free, around #74.
Ratings
Google Play, worldwide.
Rating
4.4 ★
3.1k ratings
Measured
Ratings
3.1k
Measured
Written reviews
49
Measured
About Reactor 2: Nuclear Tycoon
The nuclear idle tycoon simulator is back — and it's free.
Build your own power company from the ground up. Manage heat, optimize production, and grow a massive energy empire. In Reactor 2, you don't just construct power plants — you power an entire evolving city.
Master the system, discover your best strategy, and scale your profits to become a true industrial billionaire.
⚡ BUILD, POWER, AND EXPAND
Start small with basic wind turbines and grow into a high-efficiency nuclear power network.
Your mission is simple — supply energy to the city. Your challenge? Control the heat.
• Produce heat with diverse power sources
• Convert heat into electricity for the city
• Cool your systems to avoid production shutdowns
Balance everything perfectly to achieve maximum efficiency.
😌 RELAXED STRATEGY, NO PUNISHMENT
Reactor 2 is an idle clicker game built for thinkers, not masochists.
Your reactors never explode or reset your progress — they simply pause and cool down. This creates a no-loss, strategy-first experience where you experiment, optimize, and build at your own pace.
🔬 RESEARCH THE FUTURE
Unlock dozens of technologies and push your power empire forward.
• Renewables: Solar, Wind, Hydro, Tidal
• Advanced Tech: Nuclear, Fusion, Arc Reactors
• Sci-Fi Tier: Antimatter, Black Hole Reactors, HyperSpace Core
Every upgrade deepens your strategy and multiplies your profits.
💡 WHY YOU'LL LOVE REACTOR 2
• Idle gameplay — earn offline, even when the app is closed
• Deep resource management, no internet required
• Expand your power grid across unique islands
• Complete quests, chapters, and story-driven challenges
• Free to play — download and start building today
🚀 NEW IN THE SEQUEL
• A living city that grows with your energy output
• Advanced quest system with chapters and rewards
• Crafted by an indie team — refined pixel art and smoother performance
Reactor 2 is the ultimate offline idle simulation game — nuclear strategy, construction management, and tycoon gameplay in one free pixelated package.
Build smarter. Optimize harder. Watch your empire grow.
Download Reactor 2 free — your nuclear tycoon journey starts today.
https://rsgapps.com/
[email protected]
Build your own power company from the ground up. Manage heat, optimize production, and grow a massive energy empire. In Reactor 2, you don't just construct power plants — you power an entire evolving city.
Master the system, discover your best strategy, and scale your profits to become a true industrial billionaire.
⚡ BUILD, POWER, AND EXPAND
Start small with basic wind turbines and grow into a high-efficiency nuclear power network.
Your mission is simple — supply energy to the city. Your challenge? Control the heat.
• Produce heat with diverse power sources
• Convert heat into electricity for the city
• Cool your systems to avoid production shutdowns
Balance everything perfectly to achieve maximum efficiency.
😌 RELAXED STRATEGY, NO PUNISHMENT
Reactor 2 is an idle clicker game built for thinkers, not masochists.
Your reactors never explode or reset your progress — they simply pause and cool down. This creates a no-loss, strategy-first experience where you experiment, optimize, and build at your own pace.
🔬 RESEARCH THE FUTURE
Unlock dozens of technologies and push your power empire forward.
• Renewables: Solar, Wind, Hydro, Tidal
• Advanced Tech: Nuclear, Fusion, Arc Reactors
• Sci-Fi Tier: Antimatter, Black Hole Reactors, HyperSpace Core
Every upgrade deepens your strategy and multiplies your profits.
💡 WHY YOU'LL LOVE REACTOR 2
• Idle gameplay — earn offline, even when the app is closed
• Deep resource management, no internet required
• Expand your power grid across unique islands
• Complete quests, chapters, and story-driven challenges
• Free to play — download and start building today
🚀 NEW IN THE SEQUEL
• A living city that grows with your energy output
• Advanced quest system with chapters and rewards
• Crafted by an indie team — refined pixel art and smoother performance
Reactor 2 is the ultimate offline idle simulation game — nuclear strategy, construction management, and tycoon gameplay in one free pixelated package.
Build smarter. Optimize harder. Watch your empire grow.
Download Reactor 2 free — your nuclear tycoon journey starts today.
https://rsgapps.com/
[email protected]
What's new in 1.1.11
• New research: Chrono Seed! Unlock 6 ranks to skip up to 30 chapters after a Time Jump.
• Replace existing buildings directly from the build panel.
• Export your power plant layout to the optimizer from Settings.
• Time Jump requirements now increase with each jump.
• Updated cooler visuals and fixes to the interface and text display.
• Replace existing buildings directly from the build panel.
• Export your power plant layout to the optimizer from Settings.
• Time Jump requirements now increase with each jump.
• Updated cooler visuals and fixes to the interface and text display.