Comparison

Idle Medieval Prison Tycoon vs Onsen Stack

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

Idle Medieval Prison Tycoon

Build and manage a medieval prison empire. Hire guards, construct cells, and upgrade your facilities to earn gold. Keep prisoners content and defend against riots, escapes, and even dragon attacks.

Highlights
  • Build and expand prison empire
  • Hire and manage guards
  • Construct cells and facilities
  • Upgrade for increased earnings
  • Manage prisoner contentment
  • Defend against prison challenges
Features
Read full description

Welcome to "Idle Medieval Prison Tycoon", where the clang of iron bars is music to your ears and the sight of stone walls warms your heart. This isn't just any idle tycoon game, it's a journey back to medieval times, where you'll become the master of your very own prison kingdom! Starting with a humble dungeon, you'll gradually transform it into a sprawling prison empire. Hire guards, build cells, and yes, even introduce some forms of medieval surveillance. All while collecting gold for guarding your prisoners and making strategic upgrades to boost your earnings. But it's not all about the money. You'll also need to keep your prisoners content (as content as one can be in a medieval prison). Provide them with the basics, keep them fed, and maybe even allow them to have a rat for companionship. As you progress, you'll face challenges that will test your management skills. Riots, escape attempts, even dragon attacks (because, you know, medieval times) - are you up for the challenge? "Idle Medieval Prison Tycoon" is more than just a game, it's a plunge into a time of knights and castles, where your strategic skills can build an empire. So, ready to trade your business suit for a suit of armor and delve into the world of medieval prison management? Download "Idle Medieval Prison Tycoon" and start your reign today! Disclaimer: No actual knights, dragons, or prisoners were harmed in the making of this game. Play responsibly!

About

Onsen Stack

Features
Read full description

Dive into a cozy hot spring and stack fluffy towels as high as you can! Onsen Stack is a minimalist stacking game, relaxing yet addictive: one tap to drop, perfect timing to win. ONE FINGER IS ENOUGH Tap at just the right moment to drop your towel. Easy to pick up, hard to master. ONSEN VIBES Hot springs, drifting steam, capybaras soaking nearby: a soothing kawaii art style made for unwinding. AIM FOR PERFECT Chain perfect drops, trigger combos and watch your score climb. The higher you stack, the tougher it gets. BONUSES AND SKINS Unlock unique towels in the shop, earn coins and switch up your style. Golden, scented and rainbow bonuses to collect. DAILY CHALLENGES Come back every day for fresh challenges and beat your best score. Free to play with ads. Perfect for a relaxing break.

Screenshots

Idle Medieval Prison Tycoon4 screens
Onsen Stack4 screens

Verdict

The call

The clearest difference is in-app purchases: Onsen Stack at none against Idle Medieval Prison Tycoon's 12. Idle Medieval Prison Tycoon's advantage is iOS requirement (12.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Idle Medieval Prison Tycoon sells 12 one-off in-app purchases. Onsen Stack asks for nothing beyond the download.

UpkeepUpdate frequency

Idle Medieval Prison Tycoon ships an update every 6 weeks, Onsen Stack every 3 weeks. The most recent releases landed on October 18, 2026 and October 6, 2026 respectively.

Scorecard2 real differences · 8 level
Idle Medieval Prison Tycoon versus Onsen Stack: the parameters behind the verdict, then further details
ParameterIdle Medieval Prison TycoonOnsen Stack
PriceFreeFree
Rating4.6 (1.8K ratings) — better—
Positive reviews48.9% of reviews—
Number of ratings1.8K — better—
Update frequencyEvery 6 weeksEvery 3 weeks — better
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size241 MB182 MB
Age rating9+4+
DeveloperWAZZAPPS GLOBAL LIMITEDSCM PUBLISHING

Bugs and requests

Idle Medieval Prison Tycoon

Reported bugs

3 issues
  • Timers not working correctly
  • In-app purchases not registering
  • Prisoners not getting fed properly

Requested features

3 requests
  • More levels and prisons to explore
  • Expanded gameplay and challenges
  • Events and new content updates

Onsen Stack

Not enough reviews yet to summarise bugs or requests.

In-app purchases

12 purchases

Idle Medieval Prison Tycoon

One-time12
  • Gems 80$0.99
  • Knight of sorts (+3h)$4.99
  • Gems 500$4.99
Show 9 more
  • Castellan(+50% earnings)$4.99
  • Offer for beginners$4.99
  • Gems 1200$9.99
  • NO ADS$9.99
  • Scholarly (+100% earnings)$10.99
  • Offer for experts$10.99
  • Offer for pros$21.99
  • Gems 2500$22.99
  • All under control$39.99
None

Onsen Stack

No in-app purchases

Questions

Is Idle Medieval Prison Tycoon free?
Idle Medieval Prison Tycoon is free to download, with in-app purchases available.
Is Onsen Stack free?
Onsen Stack is free to download, with no in-app purchases.
Do Idle Medieval Prison Tycoon or Onsen Stack have ads?
Both Idle Medieval Prison Tycoon and Onsen Stack show ads.
Which is updated more often, Idle Medieval Prison Tycoon or Onsen Stack?
Idle Medieval Prison Tycoon ships an update every 6 weeks, and Onsen Stack every 3 weeks. Most recently, Idle Medieval Prison Tycoon was updated on October 18, 2026 and Onsen Stack on October 6, 2026.

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