X vs openblocks
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
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.
- 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
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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.
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.
- Classic block stacking gameplay
- Line clearing for scoring
- Progressive difficulty
- Next-piece preview
- Soft and hard drop options
- Wall kicks for rotation
- Offline play
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
X ships an update daily, openblocks every 5 days. The most recent releases landed on September 29, 2026 and October 16, 2026 respectively.
| Parameter | X | openblocks |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 | 1 |
| Update frequency | Daily — better | Every 5 days |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.1 | 15.0 — better |
| Further details — not scored | ||
| Size | 52 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Barking Code | Daniel Heskett |
Customer experience
X
openblocks
In-app purchases
X
No in-app purchases
openblocks
No in-app purchases









