Comparison

Dyslock vs Blind 20

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

Head to head
About

Dyslock

This logic puzzle game challenges you to crack unique codes using clues about your guesses. With over 2000 puzzles, multiple difficulty levels, and an intuitive note-taking system, it offers endless brain-training fun. Play daily challenges and compete on leaderboards.

Highlights
  • Over 2000 puzzles
  • 6 difficulty levels
  • Intuitive note-taking system
  • Play with digits, letters, colors, and more
  • Daily challenge with leaderboard
  • Intelligent hints
Features
Read full description

Can you crack the code? Dyslock is a pure logic puzzle inspired by the classic Mastermind. A secret code is hidden. Each clue shows a guess and its pegs: how many symbols are in the right place, how many are in the code but in the wrong place, and how many are not in the code at all. Compare the clues, take notes, rule out the impossible, and find the only code that fits. No guessing, no luck: every puzzle is solved by deduction. WHAT PLAYERS SAY "solid puzzle game, fantastic note taking system" (TheRedrakerbz) "gradually builds from simple to challenging and on to impossible [but not really]. Love this game" (David Runyon) "Love this, have been playing it for a while now and it keeps testing me!" (Aperson0n1ine) FEATURES - 2,800+ puzzles in 6 difficulty levels, from Beginner to Master - Codes from 2 to 6 symbols - A playable tutorial: the detective chick teaches you the rules in one minute - Notes on the board: mark what you know, rule out the rest - Hints that explain: the chick shows the next logical step and tells you why - A new case every day: one puzzle, the fastest time wins. Daily leaderboard, final ranking of the day before, and your personal record - Play with digits, letters, colors, animals, runes, smileys and many more symbol sets to collect More than 300 puzzles are free. A single purchase unlocks all the others and removes the ads. Ready, detective?

About

Blind 20

Test your strategy and luck by sorting randomly generated numbers from 1 to 999, one at a time, into an ascending list of 20. Compete daily in live challenges against players worldwide and track your progress. Discover hidden secrets and share your achievements.

Highlights
  • Number sorting from 1 to 999
  • Daily live gaming challenges
  • Real-time global competition
  • Leaderboard rankings
  • Stats and achievements tracking
  • Intuitive interface
  • Hidden secrets
Features
Read full description

Embark on a thrilling number sorting adventure with the captivating Blind 20 game! Prepare to test your strategy and luck as you strive to place randomly generated numbers in order, given one at a time, from 1 to 999. Try to fill the list of 20 numbers without knowing what's coming next! Always remember to watch out for the sneaky two's! Take on the daily live gaming adventure! Join the synchronized excitement as players from around the world unite for a shared gaming experience. Compete head-to-head in the thrilling challenge, all in real-time, once a day, and see who remains as you go. Can you outlast your competitors and rise up the ranks? Discover the thrill of camaraderie and competition as you battle for supremacy. When the dust settles, flaunt your impressive stats and achievements, showcasing your triumphs to your fellow gamers. Embrace the excitement of collective gaming and revel in the glory of your victories! In Blind 20, every moment counts as you receive a stream of numbers, each requiring a strategic decision. Can you maintain your composure and carefully place them in the right order? With each correct placement, your list grows, revealing your true skill and precision. But watch out! A single wrong move could shatter your ascending masterpiece. The pressure is on as you try to beat your own high score and challenge your friends to top it. Can you achieve the ultimate goal of a perfectly ascending sorted list of 20 numbers? The game's sleek and intuitive interface makes it easy for players of all ages to jump right in. Simply tap your way to victory as you conquer each new number in the challenge. The game adapts to your progress, gradually increasing the difficulty to keep you engaged and entertained. Take on the challenge you've seen trending on TikTok and find out for yourself how addicting it is. Easily view your remaining options and keep track of your score. You can view your stats any time and share with friends. Also try to find the hidden secrets that may appear along the way and if you're really daring try to find them all! Test your luck and strategic thinking as you strive for perfection in Blind 20: Number Challenge. Share your triumphs with friends, compare scores, and inspire friendly competition. Can you conquer the leaderboards and become the ultimate number sorting champion? Don't wait another moment! Download Blind 20 now and immerse yourself in a thrilling world of numerical conquest. Get ready to ascend to new heights of strategy and excitement! Tags: Blind 20, Blind Number Challenge, 20 Number Game, 20 Number Challenge, Tik Tok Challenge, TikTok Number Challenge Trend, 2020 Blind, 20/20 Blind Number Challenge, Sneaky Two's, Blind 20: Number Challenge, NumberTok

Screenshots

Dyslock4 screens
Blind 204 screens

Verdict

The call

The clearest difference is in-app purchases: Blind 20 at none against Dyslock's 3. Blind 20 also leads on update cadence (every 2 weeks vs every 5 weeks). Dyslock's advantage is review sentiment (100% vs 90%) and device support (3 vs 1). On price, rating, ratings volume 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. Dyslock sells 3 one-off in-app purchases. Blind 20 asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for Dyslock against 4.8 for Blind 20. Both are backed by a comparable volume of ratings — 72 and 25 respectively. Written reviews are what separate them: 100% of Dyslock's written reviews are positive against 90% of Blind 20's.

UpkeepUpdate frequency

Dyslock ships an update every 5 weeks, Blind 20 every 2 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

Scorecard5 real differences · 5 level
Dyslock versus Blind 20: the parameters behind the verdict, then further details
ParameterDyslockBlind 20
PriceFreeFree
Rating4.8 (72 ratings) — better4.8 (25 ratings)
Positive reviews100.0% of reviews — better90.0% of reviews
Number of ratings72 — better25
Update frequencyEvery 5 weeksEvery 2 weeks — better
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better16.6
Further details — not scored
Size146 MB17 MB
Age rating4+4+
DeveloperDysphasionScott Clark

Customer experience

Dyslock

All ratings72 ratings
Positive95.8%
Neutral2.8%
Negative1.4%
Written reviews12 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Blind 20

All ratings24 ratings
Positive95.8%
Neutral0.0%
Negative4.2%
Written reviews10 reviews
Positive90.0%
Neutral0.0%
Negative10.0%

In-app purchases

3 purchases

Dyslock

One-time3
  • Remove ads$1.99
  • unlock all levels$2.99
  • Full game$3.99
None

Blind 20

No in-app purchases

Questions

Is Dyslock free?
Dyslock is free to download, with in-app purchases available.
Is Blind 20 free?
Blind 20 is free to download, with no in-app purchases.
Which has better reviews, Dyslock or Blind 20?
Dyslock is rated higher. Dyslock averages 4.8 out of 5 from 72 ratings, while Blind 20 averages 4.8 from 25 ratings.
Do Dyslock or Blind 20 have ads?
Both Dyslock and Blind 20 show ads.
Which is updated more often, Dyslock or Blind 20?
Dyslock ships an update every 5 weeks, and Blind 20 every 2 weeks. Most recently, Dyslock was updated on October 24, 2026 and Blind 20 on October 25, 2026.

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