RBMK Lab: Nuclear Power Plant
Jan Sokol Education iPhoneiPadiPod touch
RBMK Lab: Nuclear Power Plant is a free Education app for iPhone and iPad by Jan Sokol. Requires iOS 26.0. Updated October 26, 2026.
- Price
- Free
- on the App Store
- Size
- 14 MB
- Age 9+
- Updated
- Oct 26
- 2026 · v2.0.1
Screenshots
About RBMK Lab: Nuclear Power Plant
Live the night of 26 April 1986 at Chernobyl Unit 4, then take the night shift at an RBMK-style plant yourself. THE NIGHT OF THE TEST • The night of the turbine test at the real clock times, played on a dedicated teaching model • Every historical beat cites its source; the crew appears by role, never by name • Eight decisions where you can choose differently, and twelve endings to find, from the safe ones to the choices that would not have saved it • Look inside the core: the operating margin, the steam voids and the rods, slice by slice SHIFTS • The dispatcher calls for load. Work the rods, feedwater, bypass and pumps to deliver it without tripping the unit • Six career shifts and a new daily shift every day, the same for every operator • Stars, personal bests, ranks from Trainee to Chief engineer, and Game Center leaderboards • A shift log after every shift: your load trace, your closest call, and exactly why the unit tripped THE CONTROL ROOM • A glowing reactor lid with 1,872 channel caps, needle meters, an annunciator wall, tactile faders and AZ-5 under a flip cover • One live plant board in every mode: zoom from the whole plant to the loop, turbine, condensate or feedwater, or open it full screen • A trend recorder, and synthesised plant sound with a one-tap mute LEARN WHY IT REACTS • Guided training drills with predictions and causal debriefs • A sandbox with more than a dozen faults to inject • Reference notes on every signal Plays offline. No account, no ads, no tracking. One optional lifetime Pro unlock adds the advanced shifts and drills and the design what-ifs for the night. RBMK Lab is a game and a learning tool built on simplified, teaching-scale models. The 1986 chapter is a sourced, dramatised reconstruction tuned to the published sequence of events. It is not evidence about the accident's cause, and nothing in the app is operator training or engineering guidance.
What’s new
Version 2.0.1 · Updated October 26, 2026
• The night of the test no longer stalls after AZ-5 when the test runs on the day shift: the slow motion is short, and fast forward returns once the rods are in • Without AZ-5, the last minutes of the night run faster, and fast forward works again • On the day shift you can now call the test off or press AZ-5 yourself, and buttons you cannot use are dimmed
App privacy
The developer, Jan Sokol, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
Alternatives to RBMK Lab: Nuclear Power Plant
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