Comparison

Spectral vs Tetra Piece

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

Head to head
About

Spectral

Crack daily color sequence puzzles in six guesses. Choose from four difficulty sizes, from quick mini-puzzles to challenging max-level sequences. Enjoy unlimited free play or unlock the full archive with a one-time purchase.

Highlights
  • Daily color sequence puzzles
  • Four difficulty sizes
  • Wordle-style deduction
  • Mastermind logic
  • Streak and stats tracking
  • Game Center leaderboards
  • One-time purchase for unlimited play
Features
Read full description

Crack the hidden color code in 6 guesses. Four new daily puzzles every day, in four sizes, with a clean new look. SIMPLE RULES: - Guess the hidden color sequence from 12 vibrant colors - Green = correct color, correct position - Yellow = correct color, wrong position - Red = not in the solution - Use Wordle-style deduction and Mastermind logic to solve it in 6 tries FOUR WAYS TO PLAY: - Mini: 3-color sequence. Fast, sharp, satisfying. - Lite: 4-color sequence. A focused daily challenge. - Classic: 5-color sequence. The original Spectral experience. - Max: 6-color sequence. For players who want a real test. FREE FOREVER: - All four daily puzzles, free every day for every player - One free-play puzzle per day, in the size you choose - Streaks, win distribution and detailed stats for every size - Game Center leaderboards and achievements - No ads, ever UNLOCK UNLIMITED AT ONE LOW PRICE: - Unlimited free-play puzzles in any size, any time - Full archive: every past daily puzzle in all four sizes, browsable by calendar - One-time purchase, no subscription DESIGNED FOR EVERY SCREEN: - Built for iPhone, iPhone Duo and iPad, in portrait and landscape - On iPhone Duo, the board and keyboard sit neatly around the fold - Put the keyboard on the left or right in landscape - Colorblind mode adds a unique shape to every color - Supports Reduce Motion and Increase Contrast - Full dark and light mode support PERFECT FOR: - Fans of Wordle, Mastermind and other logic puzzles - Quick mental breaks (2–5 minutes per puzzle) - Players who want more puzzle variety without more complexity - Anyone who likes a daily ritual Clean design. Sharp logic. Four ways to master the spectrum. Privacy Policy: https://spectral.redfuryllc.com/privacy Terms of Use: https://spectral.redfuryllc.com/terms

About

Tetra Piece

Assemble intricate pictures by dragging and snapping fragments into place on a grid. Connected parts merge automatically as you align them. Complete each stage by setting all pieces to advance to the next level.

Highlights
  • Drag and snap picture fragments
  • Automatic merging of connected parts
  • Complete stages by setting all pieces
  • Progress through multiple levels
  • Intuitive grid-based assembly
Features
Read full description

Assemble the picture piece by piece. Drag fragments onto the grid and snap them perfectly into place. Merge connected parts automatically when they align. Set all pieces to complete the stage and move on to the next level.

Screenshots

Spectral4 screens
Tetra Piece4 screens

Verdict

The call

The clearest difference is in-app purchases: Tetra Piece at none against Spectral's 1. Tetra Piece also leads on update cadence (every 5 days vs every 11 days) and ratings volume (29 vs 6). Spectral's advantage is ads (none vs shown) and review sentiment (100% vs 67%). On price 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. Spectral sells 1 one-off in-app purchase. Tetra Piece asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Spectral holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 6 and 29 respectively. Written reviews point the same way: 100% of Spectral's written reviews are positive against 67% of Tetra Piece's.

UpkeepUpdate frequency

Spectral ships an update every 11 days, Tetra Piece every 5 days. Both last shipped on October 24, 2026.

Scorecard8 real differences · 2 level
Spectral versus Tetra Piece: the parameters behind the verdict, then further details
ParameterSpectralTetra Piece
PriceFreeFree
Rating5.0 (6 ratings) — better4.7 (29 ratings)
Positive reviews100.0% of reviews — better66.7% of reviews
Number of ratings629 — better
Update frequencyEvery 11 daysEvery 5 days — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS26.013.0 — better
Further details — not scored
Size27 MB353 MB
Age rating4+4+
DeveloperRed Fury LLCFourM, K.K.

Customer experience

Spectral

All ratings6 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Tetra Piece

All ratings29 ratings
Positive93.1%
Neutral3.4%
Negative3.4%
Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

In-app purchases

1 purchases

Spectral

One-time1
  • Lifetime Unlimited$2.99
None

Tetra Piece

No in-app purchases

Questions

Is Spectral free?
Spectral is free to download, with in-app purchases available.
Is Tetra Piece free?
Tetra Piece is free to download, with no in-app purchases.
Which has better reviews, Spectral or Tetra Piece?
Spectral is rated higher. Spectral averages 5.0 out of 5 from 6 ratings, while Tetra Piece averages 4.7 from 29 ratings.
Do Spectral or Tetra Piece have ads?
Tetra Piece shows ads; Spectral does not.
Which is updated more often, Spectral or Tetra Piece?
Spectral ships an update every 11 days, and Tetra Piece every 5 days. Most recently, Spectral was updated on October 24, 2026 and Tetra Piece on October 24, 2026.

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