Comparison

duk. vs Illusion Corridor

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

Head to head
About

duk.

A charming puzzle game where you guide a character across lily pads by stepping a specific number of spaces. Solve 80 unique ponds in classic mode or tackle a new daily challenge. Enjoy a relaxing, ad-free experience with no internet or accounts required.

Highlights
  • Numbered lily pad stepping mechanic
  • 80 classic ponds
  • Daily puzzles (easy, medium, hard)
  • Streak tracking for daily play
  • No ads or accounts
  • Offline play
Features
Read full description

duk. is a cozy little puzzle about duk trying to reach his friend goose. each lily pad holds a number, so you step exactly that many pads across the water, sinking the one you leave behind, wrapping around the pond's edges, until every pad is gone and you land on goose. 2 ways to play: • classic: a journey through 80 ponds, each named for a real water lily, growing gently harder as you go. • daily: a fresh puzzle every day at easy, medium, or hard. a win on any tier keeps your streak going. no ads. no accounts. no internet required. nothing tracked. made for a calm few minutes, whenever you need them.

About

Illusion Corridor

This isometric puzzle game challenges players to manipulate perspective and mechanisms to create impossible paths. Explore seven chapters with 65 handcrafted levels, featuring rotating bridges, sliding platforms, and more. Enjoy a quiet, offline experience with no ads or in-app purchases after the initial unlock.

Highlights
  • Isometric perspective puzzles
  • Manipulate mechanisms and platforms
  • 65 handcrafted levels
  • Offline play
  • No ads or subscriptions
  • Multiple languages supported
Features
Read full description

Illusion Corridor is a quiet isometric puzzle game about perspective. Height and distance cannot always be trusted. Rotate golden mechanisms, slide platforms, raise towers, and align paths that should never meet. When the eye believes, an impossible road appears. Seven chapters and 65 handcrafted levels: - A measured journey from intuitive puzzles to concealed mechanisms, linked axes, and three-character cooperation - Rotating bridges, sliding platforms, lifts, hidden doors, crumbling tiles, and night watchers - No ads, energy systems, loot boxes, or subscriptions - Play all 10 levels of Chapter One plus four later chapter previews for free - One purchase permanently unlocks the remaining 51 levels - Fully offline, with no personal data collection - English, Simplified Chinese, and Japanese Enter the lone tower, cross the court of mechanisms, and walk through the long night until every impossible path becomes one.

Screenshots

duk.4 screens
Illusion Corridor4 screens

Verdict

The call

The clearest difference is in-app purchases: duk. at none against Illusion Corridor's 1. Illusion Corridor's advantage is update cadence (every 2 days vs every 5 days) and iOS requirement (16.0 vs 18.0). On price, rating, ratings volume and ads 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. Illusion Corridor sells 1 one-off in-app purchase. duk. asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for duk. against 5.0 for Illusion Corridor. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

duk. ships an update every 5 days, Illusion Corridor every 2 days. The most recent releases landed on September 30, 2026 and October 1, 2026 respectively.

Scorecard4 real differences · 5 level
duk. versus Illusion Corridor: the parameters behind the verdict, then further details
Parameterduk.Illusion Corridor
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Number of ratings11
Update frequencyEvery 5 daysEvery 2 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhoneiPhone
Requires iOS18.016.0 — better
Further details — not scored
Size8 MB3 MB
Age rating4+4+
DeveloperBetula Noir LLCQingyu Chen

Customer experience

duk.

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Illusion Corridor

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

duk.

No in-app purchases

1 purchases

Illusion Corridor

One-time1
  • Full Game$2.99

Questions

Is duk. free?
duk. is free to download, with no in-app purchases.
Is Illusion Corridor free?
Illusion Corridor is free to download, with in-app purchases available.
Which has better reviews, duk. or Illusion Corridor?
duk. and Illusion Corridor are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do duk. or Illusion Corridor have ads?
Neither duk. nor Illusion Corridor shows ads.
Which is updated more often, duk. or Illusion Corridor?
duk. ships an update every 5 days, and Illusion Corridor every 2 days. Most recently, duk. was updated on September 30, 2026 and Illusion Corridor on October 1, 2026.

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