Comparison

Rainbow Piece vs Puzzle Master

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

Head to head
About

Rainbow Piece

Features
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Rainbow Piece: Relaxing Circular Jigsaw. Escape the stress of high scores. Enjoy a pure, calm puzzle experience on your wrist. 【How to Play】 - Move: Drag your finger on the screen to move the pieces. - Rotate: Turn the Digital Crown to rotate the selected piece. 【Choose Your Challenge】 - Normal: Relatively easy, as you solve the puzzle by following the rainbow color gradient. - Hard: Solve the puzzle by relying solely on the shape of the pieces. 【Two Sizes Available】 - 13 Pieces: Large pieces and a small number of pieces make for a casual game. - 25 Pieces: Small pieces and a large number of pieces make for a more thorough game. 【Tip】 Long press the screen any time to return to the start screen. Take your time. Find your peace. Complete the rainbow.

About

Puzzle Master

Features
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Five classic logic puzzles in one free app — Sudoku, KenKen, Nonogram, Slitherlink and Num Connect. No account needed, plays offline. FIVE PUZZLES, ONE GAME Sudoku — Four difficulty levels from easy to expert. Classic 9x9 number placement with notes, mistake tracking and hints. KenKen — Math meets logic. Fill the grid so every cage matches its arithmetic target. 4x4, 5x5, 6x6 and a 6x6 challenge mode. Nonogram — Also known as picross or griddler. Use the number clues to uncover a hidden picture on 5x5 and 10x10 grids. Slitherlink — Draw a single closed loop that satisfies every number. A pure deduction puzzle on 5x5, 6x6 and 7x7 boards. Num Connect — Link 1 to 2 to 3 in order while covering every cell on the board. One solution, no guessing. COMPETE A global leaderboard across all five puzzles — daily, weekly and all time. Climb six leagues from Bronze to Master. Challenge a friend to a duel: you both solve the same board and the faster time wins. PROGRESS Earn XP and level up, keep a daily streak alive, and unlock achievements as you solve. Thousands of hand-checked puzzles in every game, each with exactly one solution. FREE AND OFFLINE Every puzzle is free. Play without an internet connection. No sign-up, no account, no personal data required to start.

Screenshots

Puzzle Master4 screens

Verdict

The call

The clearest difference is ads: Rainbow Piece at none against Puzzle Master's shown. Puzzle Master's advantage is update cadence (weekly vs every 3 months) and iOS requirement (15.0 vs 26.0). On price, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Rainbow Piece ships an update every 3 months, Puzzle Master weekly. The most recent releases landed on October 15, 2026 and October 16, 2026 respectively.

Scorecard3 real differences · 3 level
Rainbow Piece versus Puzzle Master: the parameters behind the verdict, then further details
ParameterRainbow PiecePuzzle Master
PriceFreeFree
Update frequencyEvery 3 monthsWeekly — better
AdsNo — betterYes
In-app purchasesNoNo
DevicesiPhone, Apple WatchiPhone, iPad, iPod — better
Requires iOS26.015.0 — better
Further details — not scored
Size1 MB35 MB
Age rating4+4+
DeveloperKiyoshi IzumiErsan Kolay

In-app purchases

None

Rainbow Piece

No in-app purchases

None

Puzzle Master

No in-app purchases

Questions

Is Rainbow Piece free?
Rainbow Piece is free to download, with no in-app purchases.
Is Puzzle Master free?
Puzzle Master is free to download, with no in-app purchases.
Do Rainbow Piece or Puzzle Master have ads?
Puzzle Master shows ads; Rainbow Piece does not.
Which is updated more often, Rainbow Piece or Puzzle Master?
Rainbow Piece ships an update every 3 months, and Puzzle Master weekly. Most recently, Rainbow Piece was updated on October 15, 2026 and Puzzle Master on October 16, 2026.

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