Comparison

Secret Letter vs Stack Tower

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

Head to head
About

Secret Letter

Become a word detective in a captivating noir world. Solve unique word puzzles and brain teasers to uncover clues and crack cases. Compete with friends and unlock new challenges.

Highlights
  • Engaging word puzzles
  • Captivating noir atmosphere
  • Daily challenges and rewards
  • Leaderboard competition
  • Unlockable cases and hints
Features
Read full description

Step into the shadowy world of Secret Letter, where every word is a clue, and every puzzle hides a secret waiting to be uncovered. Become a word-sleuthing detective in a city teeming with whispers and intrigue. Can you crack the code and solve the case before it's too late? A Word Game with a Twist: Secret Letter isn't your average word puzzle game. We've blended classic wordplay with a captivating noir atmosphere to create an immersive experience that will challenge your mind and captivate your imagination. Features You Will Enjoy: Engaging Puzzles: Sharpen your wits with a unique blend of word games and brain-teasing puzzles. Noir Vibes: Immerse yourself in a stylish world of mystery and intrigue with stunning noir-inspired visuals. Daily Delights: Test your word prowess with daily challenges and earn exclusive rewards. Leaderboard Legends: Climb the ranks, outsmart your friends, and become the ultimate word detective. Unlock & Upgrade: Progress through the game to unlock new cases, helpful hints, and special abilities to boost your gameplay. How to Play: Discover the Clues: Solve word puzzles to reveal hidden clues and piece together the mystery. Connect the Dots: Use your detective intuition and vocabulary skills to find the missing word. Crack the Case: Type in the Secret Letter and solve the case! Why You'll Love Secret Letter: A Unique Blend: Secret Letter is the perfect mix of wordplay, puzzles, and captivating storytelling. Brain-Boosting Fun: Challenge your mind, expand your vocabulary, and sharpen your detective skills. Social Showdown: Compete with friends on the leaderboard and share your word-solving triumphs. Play Anytime, Anywhere: Enjoy the thrill of the chase on your mobile device, wherever you go. Download Secret Letter today and embark on a word-filled adventure! Privacy Policy: https://www.maliyo.com/privacy-policy/ Terms of Service: https://www.maliyo.com/terms-of-service/

About

Stack Tower

This game offers a satisfying one-tap stacking challenge focused on precision and timing. Achieve perfect streaks with vibrant visual feedback and compete globally for high scores. Enjoy immersive visuals and inclusive design options.

Highlights
  • Satisfying "Perfect" Streaks
  • True Precision Gameplay
  • Aesthetic Immersion
  • Inclusive Design Options
  • Clutch Power-Ups (Undo, SlowMo, Revive, Solidify)
  • Global Leaderboards
Features
Read full description

Master the rhythm. Find your zen. Build the impossible. Experience the most satisfying one-tap stacking challenge designed for pure focus. Whether you’re chasing a global high score or just need a 60-second mental break, Stack Tower delivers a perfect loop of precision and flow. WHY YOU’LL LOVE STACK TOWER • Satisfying "Perfect" Streaks: Feel the haptic pulse as you hit consecutive perfect drops and watch your tower glow with vibrant visual feedback. • True Precision Gameplay: No cheap tricks. The blocks only get thinner if you miss. Your high score is a pure reflection of your focus and timing. • Aesthetic Immersion: Immerse yourself in smooth 60fps animations and modern dark-mode visuals that look stunning on every display. • Inclusive by Design: Play your way with multiple color-blind palettes (Deuteranopia, Protanopia, Tritanopia) and a Reduce Motion toggle. CLUTCH POWER-UPS • Undo: Fix that one fatal slip and keep your streak alive. • SlowMo: Enter "the zone" with time-dilated precision for those razor-thin blocks. • Revive: A second chance to beat your personal best when the stakes are highest. • Solidify: Stabilize your tower and gain the upper hand. COMPETE & CONQUER Join a global community of stackers. Climb the Game Center leaderboards, unlock "Insane" difficulty achievements, and prove your timing is world-class. STACK TOWER PRO • Lifetime upgrade—no subscriptions. • 100% Ad-Free experience. • Daily free power-up refills (Undo, SlowMo, and Solidify). Free to play, works offline. Download Stack Tower now and see how high your focus can take you. One more drop?

Screenshots

Secret Letter4 screens
Stack Tower4 screens

Verdict

The call

The clearest difference is rating: Stack Tower at 5.0 against Secret Letter's 4.0. Stack Tower also leads on ratings volume (17 vs 1). Secret Letter's advantage is iOS requirement (12.0 vs 16.4). On price, review sentiment, update cadence 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. Secret Letter sells 5 one-off in-app purchases and Stack Tower 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

Stack Tower holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: Stack Tower has 17 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Secret Letter ships an update every 6 days, Stack Tower every 5 days. The most recent releases landed on September 26, 2026 and October 7, 2026 respectively.

Scorecard3 real differences · 7 level
Secret Letter versus Stack Tower: the parameters behind the verdict, then further details
ParameterSecret LetterStack Tower
PriceFreeFree
Rating4.0 (1 ratings)5.0 (17 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings117 — better
Update frequencyEvery 6 daysEvery 5 days — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better16.4
Further details — not scored
Size135 MB59 MB
Age rating17+4+
DeveloperMaliyo Gamesudictio

Customer experience

Secret Letter

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Stack Tower

All ratings17 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews14 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

5 purchases

Secret Letter

One-time5
  • 20 tickets$1.99
  • 50Tickets$4.99
  • No more Ads$4.99
Show 2 more
  • 100 Tickets$9.99
  • 200 Tickets$19.99
10 purchases

Stack Tower

One-time10
  • Panic Bundle$0.99
  • 5 Undos$0.99
  • 5 Solidify$0.99
Show 7 more
  • 5 Slow Motion$0.99
  • 15 Undos$1.99
  • 15 Solidify$1.99
  • 15 Slow Motion$1.99
  • 50 Undos$4.99
  • 50 Solidify$4.99
  • 50 Slow Motion$4.99

Questions

Is Secret Letter free?
Secret Letter is free to download, with in-app purchases available.
Is Stack Tower free?
Stack Tower is free to download, with in-app purchases available.
Which has better reviews, Secret Letter or Stack Tower?
Stack Tower is rated higher. Secret Letter averages 4.0 out of 5 from 1 ratings, while Stack Tower averages 5.0 from 17 ratings.
Do Secret Letter or Stack Tower have ads?
Both Secret Letter and Stack Tower show ads.
Which is updated more often, Secret Letter or Stack Tower?
Secret Letter ships an update every 6 days, and Stack Tower every 5 days. Most recently, Secret Letter was updated on September 26, 2026 and Stack Tower on October 7, 2026.

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