Blocks Stack Puzzle vs Collect Letters!
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Blocks Stack Puzzle
A brain puzzle game where you fill empty cells by stacking colorful blocks in the correct orientation. It offers over 1000 levels, starting easy and progressively increasing in difficulty. Enjoy a minimalist 3D art design while challenging your mind.
- Fill empty cells with colorful blocks
- Stack blocks in correct orientation
- Over 1000 challenging levels
- Minimalist 3D art design
- Easy to play touch controls
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- Test your skills with the brand new brain puzzle game. You will no longer feel bored. In Blocks Stack Puzzle, you have to fill the empty cells with colorful blocks. This is done by stacking them in the correct orientation. - It's easy to start with the first few levels but gets harder and harder as you win level after level! - It's fun and it reduces boredom Just swipe to fill the blocks have fun. Game features: - Easy to play: touch the block and move to the desired direction to unlock - Minimalism and comfortable 3D art design - More than 1000+ levels to challenge your brain
Collect Letters!
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· TAP the letters to complete the words · DEAL cards for new letters · RELAX and ENJOY this casual puzzle game
Screenshots
Verdict
The clearest difference is ads: Blocks Stack Puzzle at none against Collect Letters!'s shown. Blocks Stack Puzzle also leads on update cadence (every 10 days vs every 17 months) and iOS requirement (10.0 vs 12.0). On price, in-app purchases and 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
Both are free to download. Blocks Stack Puzzle sells 2 one-off in-app purchases and Collect Letters! sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Blocks Stack Puzzle ships an update every 10 days, Collect Letters! every 17 months. The most recent releases landed on October 25, 2026 and October 27, 2026 respectively.
| Parameter | Blocks Stack Puzzle | Collect Letters! |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (30 ratings) — better | — |
| Number of ratings | 30 — better | — |
| Update frequency | Every 10 days — better | Every 17 months |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 10.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 62 MB | 157 MB |
| Age rating | 4+ | 4+ |
| Developer | Vnstart LLC | Rootcraft |
In-app purchases
Blocks Stack Puzzle
- Remove Ads$0.99
- Unlock All$0.99
Collect Letters!
- 3,000 Gems$1.99
- 1,500 Cards$1.99
- 1,000,000 Coins$1.99
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- 5,000 Gems$2.99
- 8,000 Cards$3.99
- 8,000 Gems$3.99
- 16,000 Gems$4.99
- 60,000 Cards$5.99
- 50,000 Gems$5.99
- 120,000 Gems$6.99
Questions
Is Blocks Stack Puzzle free?
Is Collect Letters! free?
Do Blocks Stack Puzzle or Collect Letters! have ads?
Which is updated more often, Blocks Stack Puzzle or Collect Letters!?
Other comparisons
