Comparison

LetterCode vs Spectral

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

Head to head
About

LetterCode

A word-guessing puzzle game where you decrypt a secret code. Use color cues to learn about letter placement and try to solve it within a limited number of attempts. Customize your experience with various settings and modes.

Highlights
  • Decrypt secret codes
  • Color-coded feedback system
  • Limited daily plays
  • Customizable gameplay settings
  • Colorblind mode
  • Timed challenges
Features
Read full description

A spin on the classic word-guessing puzzle game, LetterCode challenges you to decrypt a secret code. With each guess, you’ll learn a little bit more about the code: — Red means the letter isn’t in the answer — Yellow means the letter is in the answer, but in the wrong place — Green means that you have the right letter in the right place Try to crack the code before you run out of attempts, and for an additional challenge, complete it as quickly as you can for an even higher score! And don't worry, there is a colorblind mode. ---------- LetterCode lets you customize your gameplay: — Colorblind friendly! — Hide the timer if you don’t like the pressure — Turn on and off the sounds effects or music — Adjust the difficulty by changing what types of inputs are allowed (but be careful, this can affect your score!) ---------- LetterCode is limited to 5 plays per day, but you can purchase LetterCode Pro to unlock the following: — Unlimited gameplay — Access to “Hard” and “Expert” mode - get harder and longer words — Access to your stats and play history LetterCode Pro is a one-time purchase and supports family sharing.

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

Screenshots

LetterCode4 screens
Spectral4 screens

Verdict

The call

The clearest difference is ratings volume: LetterCode at 29 against Spectral's 6. LetterCode also leads on iOS requirement (17.6 vs 26.0). On price, rating, review sentiment and update cadence 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. LetterCode sells 1 one-off in-app purchase and Spectral sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for LetterCode against 5.0 for Spectral. Both are backed by a comparable volume of ratings — 29 and 6 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

LetterCode ships an update fortnightly, Spectral every 11 days. The most recent releases landed on October 24, 2026 and October 18, 2026 respectively.

Scorecard2 real differences · 8 level
LetterCode versus Spectral: the parameters behind the verdict, then further details
ParameterLetterCodeSpectral
PriceFreeFree
Rating5.0 (29 ratings)5.0 (6 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings29 — better6
Update frequencyFortnightlyEvery 11 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.6 — better26.0
Further details — not scored
Size11 MB27 MB
Age rating4+4+
DeveloperJoseph IannazzoneRed Fury LLC

Customer experience

LetterCode

All ratings29 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Spectral

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

In-app purchases

1 purchases

LetterCode

One-time1
  • LetterCode Pro$3.99
1 purchases

Spectral

One-time1
  • Lifetime Unlimited$2.99

Questions

Is LetterCode free?
LetterCode is free to download, with in-app purchases available.
Is Spectral free?
Spectral is free to download, with in-app purchases available.
Which has better reviews, LetterCode or Spectral?
Spectral is rated higher. LetterCode averages 5.0 out of 5 from 29 ratings, while Spectral averages 5.0 from 6 ratings.
Do LetterCode or Spectral have ads?
Neither LetterCode nor Spectral shows ads.
Which is updated more often, LetterCode or Spectral?
LetterCode ships an update fortnightly, and Spectral every 11 days. Most recently, LetterCode was updated on October 24, 2026 and Spectral on October 18, 2026.

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