Comparison

X vs openblocks

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

Head to head
About

X

Engage with a classic Sudoku puzzle game featuring a minimalist black-and-white design. Choose from various grid sizes and challenging difficulty levels, with multiple game modes to keep you entertained. Enjoy features like notes, undo, and mistake highlighting for a seamless experience.

Highlights
  • Multiple grid sizes (9x9, 6x6)
  • Six difficulty levels
  • Chapters, Free Run, and Daily Challenge modes
  • Notes mode and undo/redo
  • Mistake highlighting and auto-save
  • Offline play
  • Progress tracking with leaderboards and achievements
Features
Read full description

X-Sudoku is a Sudoku puzzle game with a black-and-white interface. GRID SIZES • 9x9 Standard (81 cells) • 6x6 Mini (36 cells) DIFFICULTY LEVELS • Easy • Medium • Hard • Extreme • Insane • Inhuman GAME MODES • Chapters — Sequential puzzle sets • Free Run — Select any difficulty • Daily Challenge — One puzzle per day FEATURES • Notes mode • Undo/redo • Mistake highlighting (optional) • Auto-save • Offline play PROGRESS TRACKING • Daily leaderboards • Achievements • Statistics (games played, win rate, times) No account required. No ads during daily challenges.

About

openblocks

Experience a pure, classic block puzzle game with no distractions. Stack falling blocks, clear lines, and increase your score as gravity intensifies. Enjoy intuitive controls and a minimalist design for uninterrupted gameplay.

Highlights
  • Classic block stacking gameplay
  • Line clearing for scoring
  • Progressive difficulty
  • Next-piece preview
  • Soft and hard drop options
  • Wall kicks for rotation
  • Offline play
Features
Read full description

Stack falling blocks, clear lines, and chase higher levels in a clean, classic block puzzle with none of the junk that clutters this genre. No ads. No tracking. No accounts. No in-app purchases. openblocks never touches the network. It's just the game. You can even play it in airplane-mode. PURE CLASSIC GAMEPLAY • Clear lines to score and level up, with gravity that ramps up as you go • Plan ahead with the next-piece preview • Soft drop for control, hard drop for speed • Wall kicks for smooth, forgiving rotation • Pause anytime and pick up where you left off CONTROLS THAT GET OUT OF THE WAY • Drag to slide a piece, tap to rotate • Flick down to drop it instantly, or drag down slowly to guide it • Prefer buttons? Turn on the on-screen control pad in the menu • Crisp, minimal visuals that stay out of your way FREE AND OPEN SOURCE openblocks is open source. Read the code, report a bug, or build it yourself: https://github.com/dannyheskett/openblocks No dark patterns, no "energy" timers, no paywalled pieces. Just the timeless falling-block puzzle, done properly.

Screenshots

X4 screens
openblocks4 screens

Verdict

The call

The clearest difference is ads: openblocks at none against X's shown. openblocks also leads on monetization model (free vs ad-supported). X's advantage is update cadence (daily vs every 5 days). On price, rating, ratings volume and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for X against 5.0 for openblocks. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

X ships an update daily, openblocks every 5 days. The most recent releases landed on September 29, 2026 and October 16, 2026 respectively.

Scorecard3 real differences · 7 level
X versus openblocks: the parameters behind the verdict, then further details
ParameterXopenblocks
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Positive reviews100.0% of reviews—
Number of ratings11
Update frequencyDaily — betterEvery 5 days
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supportedFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.115.0 — better
Further details — not scored
Size52 MB1 MB
Age rating4+4+
DeveloperBarking CodeDaniel Heskett

Customer experience

X

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

openblocks

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

X

No in-app purchases

None

openblocks

No in-app purchases

Questions

Is X free?
X is free to download, with no in-app purchases.
Is openblocks free?
openblocks is free to download, with no in-app purchases.
Which has better reviews, X or openblocks?
X and openblocks are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do X or openblocks have ads?
X shows ads; openblocks does not.
Which is updated more often, X or openblocks?
X ships an update daily, and openblocks every 5 days. Most recently, X was updated on September 29, 2026 and openblocks on October 16, 2026.

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