Comparison

sudo vs Doublio

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

Head to head
About

sudo

Enjoy a classic Sudoku experience with a vibrant twist, offering both color and number-based puzzles. Track your performance with detailed statistics and maintain your progress with streaks. This ad-free game provides a clean and engaging way to play.

Highlights
  • Color and number Sudoku puzzles
  • Ad-free gameplay
  • Progress tracking
  • Streaks and statistics
  • Supports iPhone and iPad
Features
Read full description

Sudo is the best way to play sudoku. No ads, ever. With Sudo, you can play sudoku with colors or numbers. Track your progress with streaks and stats.

About

Doublio

Features
Read full description

Welcome to Doublio! Discover the ultimate minimalist number puzzle game designed to test your logic and help you unwind. If you love classic block-merging puzzles but crave a fresh, dynamic twist, you've just found your new addiction. Drop. Merge. Chain. Doublio is simple to learn but deeply rewarding to master. Drop numbered blocks onto the grid. When identical numbers touch, they merge into the next higher value. But here is the twist that changes everything: Horizontal Magnetism. Blocks of the same number will magnetically snap together from the sides. By planning your drops carefully, you can set up massive, deeply satisfying chain reactions. Watch the board clear itself as numbers fall, snap, and merge in a beautiful wave of logic! Key Features: Endless Strategy: No levels, no timers, no stress. Just you, the grid, and endless possibilities. Play at your own pace and see how high you can score. Magnetic Mechanics: Experience the unique horizontal pull that makes merging blocks feel incredibly smooth and satisfying. Epic Chain Reactions: Build clever traps and watch massive combos unfold with a single drop. Zen Experience: Featuring a sleek minimalist dark design, smooth haptics, and soothing ambient sounds, Doublio is the perfect game to relax your mind while keeping your brain sharp. Progressive Challenge: As the numbers grow larger, the grid gets tighter. Every move counts. Can you reach the ultimate block? Easy to pick up, impossible to put down. Download Doublio today, clear your mind, and start your first merge!

Screenshots

sudo3 screens
Doublio4 screens

Verdict

The call

The clearest difference is price: Doublio at Free against sudo's $2.99. Doublio also leads on update cadence (weekly vs every 3 weeks) and iOS requirement (15.0 vs 17.0). sudo's advantage is in-app purchases (none vs 1) and ads (none vs shown). On 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

Doublio is free to download; sudo costs $2.99 up front. Doublio sells 1 one-off in-app purchase. sudo asks for nothing beyond the download.

UpkeepUpdate frequency

sudo ships an update every 3 weeks, Doublio weekly. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

Scorecard5 real differences · 4 level
sudo versus Doublio: the parameters behind the verdict, then further details
ParametersudoDoublio
Price$2.99Free — better
Rating5.0 (3 ratings) — better—
Number of ratings3 — better—
Update frequencyEvery 3 weeksWeekly — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.015.0 — better
Further details — not scored
Size8 MB35 MB
Age rating4+4+
DeveloperArjun MahantiJakub Schmidt

In-app purchases

None

sudo

No in-app purchases

1 purchases

Doublio

One-time1
  • Cascade Two: Ad Free$1.99

Questions

Is sudo free?
sudo costs $2.99, with no in-app purchases.
Is Doublio free?
Doublio is free to download, with in-app purchases available.
Do sudo or Doublio have ads?
Doublio shows ads; sudo does not.
Which is updated more often, sudo or Doublio?
sudo ships an update every 3 weeks, and Doublio weekly. Most recently, sudo was updated on November 3, 2026 and Doublio on November 5, 2026.

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