Rot & Ferment
Nils Rohwer Games iPhoneiPadiPod touch
Rot & Ferment is a free Games app for iPhone and iPad by Nils Rohwer. Requires iOS 15.0. Updated October 2, 2026.
- Price
- Free
- on the App Store
- Size
- 457 MB
- Age 12+
- Updated
- Oct 2
- 2026 · v1.5.1
Screenshots
About Rot & Ferment
Most idle games make you wait because waiting is the monetization lever. Rot & Ferment makes you wait because that's what fermentation actually is. You run a small cellar: a few crocks, jars, and barrels, and a rotating cast of things worth aging - sourdough, kimchi, sauerkraut, yoghurt, kefir, tomme, cider, wine. Start a batch, and it needs real time. Minutes for a quick ferment, hours overnight, a full day for something worth the wait. THE DECISION ISN'T "WHEN IS IT DONE" - IT'S "WHAT DESERVES THIS VESSEL RIGHT NOW" Every batch rises in value, peaks, then slowly drifts past its best. Pull it early for safe, modest money. Hold it to the peak for the real payoff. Forget about it, and it doesn't spoil to nothing - it just costs you the upside. Nothing in this cellar punishes you for living your life. Each recipe leans one of two ways: • Safe - a wide, forgiving window. Never loses money, whenever you get back to it. • Greedy - a narrow peak and a steep drop-off. Higher reward, if you're actually on time. That choice repeats across six absence lengths, from "checking my phone right now" to "see you in the morning" - so there's always a right answer for how long you're actually going to be gone. BUILD THE CELLAR THAT LETS YOU AGE MORE Early recipes are ready in minutes. The long, valuable ferments - the tomme, the wine - are locked behind upgrades: more crocks, a cold cellar, humidity control. Every upgrade widens a window or slows a decay, so the game never turns into "wait less, click more." It turns into "cellar space is scarce, spend it well." Offline the whole time? Your batches keep aging without you. Come back to a full report of what happened while you were away. No forced ads, no pay-to-skip pressure. If a boost ever helps, it's your call, not the game's.
What’s new
Version 1.5.1 · Updated October 2, 2026
Fixed newly unlocked cellars (sake, tapai) not appearing in the gallery.
App privacy
The developer, Nils Rohwer, reported these privacy practices to Apple.
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Identifiers: Device ID
Used for: Third-Party Advertising
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Rot & Ferment | – | Free | October 2, 2026 | |
| Witchdoku: Brain Puzzle Games | – | Free | Oct 6, 2026 | Compare |
| Sheep Dog: A Cozy Meadow | – | Free | Sep 24, 2026 | Compare |
| MarsRover Mine, Build, Breathe | – | Free | Sep 5, 2026 | Compare |
| Tiny Farm Tycoon | 5.0 / 5 (1) | Free | Sep 23, 2026 | Compare |
| Tidy Plates Word Sort Puzzle | – | Free | Sep 21, 2026 | Compare |
| Kitchen Bonk | – | Free | Oct 9, 2026 | Compare |
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