Comparison

Kodoku vs Unscrew Workshop 3D

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

Head to head
About

Kodoku

This logic puzzle game challenges you to place queens on a colored grid. Each queen must be in its own colored region, and no two queens can share a row, column, or diagonal. With a limited number of lives, every move is critical to solving the puzzle.

Highlights
  • Place one queen per colored region
  • No shared rows, columns, or diagonals
  • Limited lives per round
  • Eliminate impossible cells
  • Single-player logic puzzle
Features
Read full description

Kodoku - Queens Logic — unlimited queens puzzle. Place one queen in each colored region. No shared rows, columns, or diagonal touches. Every queens logic puzzle has one solution. Double-tap to place your queen: right and advance, wrong and lose a life. Three lives. Every move in this color grid logic game counts. How to Play ● One queen per colored region ● No shared rows, columns, or diagonal touches ● Double-tap · Three lives per round ● Eliminate impossible cells.

About

Unscrew Workshop 3D

Engage in satisfying logic puzzles by unscrewing colorful bolts. Reveal hidden 3D objects and solve challenges by clearing layers in the correct order. Plan your moves strategically to master each intricate structure.

Highlights
  • Colorful bolt-unscrewing puzzles
  • Reveal hidden 3D objects
  • Logic and order challenges
  • Simple one-tap controls
  • Helpful boosters
  • Bright visuals and satisfying movement
Read full description

Every bolt is part of the puzzle—and every move matters. Unscrew colorful bolts, reveal playful 3D objects, and solve satisfying logic challenges one layer at a time. Tap a free screw, match its color, and take each structure apart in the right order. Watch what is blocked, keep space open for the pieces that come next, and find the cleanest path to the final bolt. HOW TO PLAY • Tap a free screw to remove it. • Match and clear screws by color. • Choose the right order to release hidden pieces. • Clear every layer to complete the level. WHY YOU’LL LOVE IT • Colorful screw-and-bolt puzzles • Creative 3D objects to take apart • Simple one-tap controls • Compact challenges built around logic, order, and space • Helpful boosters when a layout gets tricky • Bright visuals and satisfying movement • Bigger, tougher structures as you progress A move that looks obvious may not be the smartest one. Study each object, plan ahead, and enjoy the moment when its final piece comes free. Ready to master every bolt? Start unscrewing today. WEEKLY VIP Two optional auto-renewable Weekly VIP plans may be shown. Prices are localized and displayed before purchase. Both plans include a 3-day free trial for eligible subscribers. Offer benefits are shown in the Shop before purchase and include up to three free Add Box uses per day and removal of forced ads; the daily-coin plan also includes a 100-coin daily login reward. Payment is charged to your Apple Account at confirmation of purchase or at the end of the free trial, when offered. The subscription automatically renews at the selected weekly price unless canceled at least 24 hours before the end of the current period. Your account is charged for renewal within 24 hours before the end of the current period. You can manage or cancel subscriptions in your App Store account settings. Any unused portion of a free trial is forfeited when a subscription is purchased, where applicable. Privacy Policy: https://docs.google.com/document/d/e/2PACX-1vSND2ijMU8IyHcja9djzfwDE1UJAk7wq1j-DMgqWtGOhXbeGKPIRGEPq7-vpwd28yB4WhI74DYTouU4/pub Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Kodoku4 screens
Unscrew Workshop 3D4 screens

Verdict

The call

The clearest difference is rating: Kodoku at 5.0 against Unscrew Workshop 3D's 3.3. Kodoku also leads on ads (none vs shown). Unscrew Workshop 3D's advantage is update cadence (every 4 days vs every 4 months). On price, ratings volume, in-app purchases and monetization model 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. Kodoku sells 7 one-off in-app purchases and Unscrew Workshop 3D sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Kodoku holds the better App Store score, 5.0 against 3.3. Both are backed by a comparable volume of ratings — 4 and 3 respectively.

UpkeepUpdate frequency

Kodoku ships an update every 4 months, Unscrew Workshop 3D every 4 days. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 7 level
Kodoku versus Unscrew Workshop 3D: the parameters behind the verdict, then further details
ParameterKodokuUnscrew Workshop 3D
PriceFreeFree
Rating5.0 (4 ratings) — better3.3 (3 ratings)
Positive reviews—0.0% of reviews
Number of ratings4 — better3
Update frequencyEvery 4 monthsEvery 4 days — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size228 MB1.1 GB
Age rating4+12+
DeveloperBRAINWAVE MC PTE. LTD.NOVA GAMES LLP

In-app purchases

7 purchases

Kodoku

One-time7
  • 200 Coins$1.99
  • Starter Bundle$1.99
  • 650 Coins$4.99
Show 4 more
  • Remove Ads$4.99
  • 1500 Coins$9.99
  • 3200 Coins$19.99
  • 6000 Coins$29.99
10 purchases

Unscrew Workshop 3D

One-time10
  • Box Pack 4$0.99
  • Box Pack 3$1.99
  • Tri Pack 1$2.99
Show 7 more
  • Tri Pack 2$4.99
  • Tri Pack 5$4.99
  • Tri Pack 3$9.99
  • Tri Pack 6$9.99
  • Tri Pack 4$14.99
  • Tri Pack 7$19.99
  • Tri Pack 8$29.99

Questions

Is Kodoku free?
Kodoku is free to download, with in-app purchases available.
Is Unscrew Workshop 3D free?
Unscrew Workshop 3D is free to download, with in-app purchases available.
Which has better reviews, Kodoku or Unscrew Workshop 3D?
Kodoku is rated higher. Kodoku averages 5.0 out of 5 from 4 ratings, while Unscrew Workshop 3D averages 3.3 from 3 ratings.
Do Kodoku or Unscrew Workshop 3D have ads?
Unscrew Workshop 3D shows ads; Kodoku does not.
Which is updated more often, Kodoku or Unscrew Workshop 3D?
Kodoku ships an update every 4 months, and Unscrew Workshop 3D every 4 days. Most recently, Kodoku was updated on November 9, 2026 and Unscrew Workshop 3D on October 31, 2026.

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