Stack and Merge vs Block Flow
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Stack and Merge
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Reach number 15! -Combine the same numbers until it's 15. -Merge all possible numbers to make room for new blocks. Make the right moves time is ticking.
Block Flow
This is a block puzzle game where you drag and drop pieces onto a 10x10 grid. Fill rows or columns to clear them and score points, using power-ups to overcome challenges. Compete on leaderboards and maintain daily streaks for rewards.
- Drag and drop block placement
- Fill rows and columns to clear
- Bonus points for multiple line clears
- Power-ups for assistance
- Daily streaks and rewards
- Leaderboard rankings
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**Drop. Clear. Score.** BlockFlow is the block puzzle game that's easy to pick up and impossible to put down. Drag blocks onto a 10×10 grid, fill complete rows or columns to clear them, and rack up points, all while keeping cool under pressure. **How to Play** • Drag blocks from the tray and drop them anywhere on the grid • A color-coded preview shows whether a placement is valid before you commit • Fill a complete row or column to clear it and earn points • Clear multiple lines at once for bonus points • Build combos by clearing lines back to back • Plan ahead — once no block can be placed, it's game over **Power-Ups to Save the Day** Stuck? Power-ups have you covered: • Block Breaker: Clear all connected blocks of the same color in one tap • Undo: Revert your last move and try a different approach • Re-roll: Swap your current blocks for an entirely new set **Daily Streaks & Rewards** Play every day to build your streak and earn free power-ups. A 7-day reward cycle keeps things exciting, with bigger rewards toward the end. Miss a day? Earn a Streak Freeze by watching a short ad to keep your streak alive. **Rankings** Compete against the leaderboard and climb the ranks. Your position updates in real time as you beat your own high score. **What's Inside** • Smooth block placement with real-time valid/invalid preview • Retro-inspired chiptune music and crisp 8-bit sound effects • Interactive step-by-step tutorial for new players • Optional daily reminder notifications to keep your streak going • Haptic feedback for a satisfying, tactile experience • Fully playable without ads — watch a short ad only to earn bonus rewards
Screenshots
Verdict
The clearest difference is iOS requirement: Stack and Merge at 11.0 against Block Flow's 26.2. On price, update cadence, ads 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.
Stack and Merge ships an update every 2 days, Block Flow every 3 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.
| Parameter | Stack and Merge | Block Flow |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 2 days — better | Every 3 days |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | — | Ad-supported |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 11.0 — better | 26.2 |
| Further details — not scored | ||
| Size | 70 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | Berat Oguz | WILLIAM SCOTT BRYDEN |
In-app purchases
Stack and Merge
No in-app purchases
Block Flow
No in-app purchases
Questions
Is Stack and Merge free?
Is Block Flow free?
Do Stack and Merge or Block Flow have ads?
Which is updated more often, Stack and Merge or Block Flow?
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