21 Letters vs Squaria
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
21 Letters
A daily word game where you build connecting words to achieve a high score. Compete with friends and family using the same daily set of letters. The game ends when you run out of letters or can no longer form words.
- Daily word challenges
- Connecting word building
- High score tracking
- Friend and family competition
- Unique daily letter sets
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21 Letters every day. Build connecting words and score as high as you can. Once you run out of letters, or can't make any more words, your daily round is over. Share your score with your friends and family - since everyone has the same letters for any given day, every day is a competition!
Squaria
A minimalist puzzle game where players draw lines to create squares. It offers progressive difficulty, dynamic grids, and time-based challenges. Collect hearts for extra lives and avoid obstacles to master strategic planning.
- One-finger swipe controls
- Progressive difficulty levels
- Dynamic grid expansion
- Collect hearts for extra lives
- Avoid obstacles
- Time-based challenges
- Minimalist design
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Squaria is an elegant and challenging puzzle game that will test your strategic thinking and planning skills. Draw lines to create squares in this minimalist yet engaging game that's easy to learn but difficult to master. KEY FEATURES: - Simple one-finger controls - just swipe to draw lines - Progressive difficulty with increasingly challenging levels - Dynamic grid size that expands as you advance - Collect hearts to earn extra lives - Avoid obstacles and plan your moves carefully - Time-based challenges add excitement - Beautiful minimalist design with smooth animations - Relaxing soundtrack and satisfying sound effects HOW TO PLAY: - Swipe to draw lines on the grid - You can draw only one line with one swipe - Complete squares to score points - Collect hearts for extra lives - Watch out for obstacles - Beat the timer to advance - Plan your moves carefully - each level has limited lines CHALLENGE YOURSELF: - Progress through increasingly difficult levels - Expand your playing field as you advance - Compete for high scores - Perfect your strategy - Master the art of efficiency Whether you're looking for a quick mental challenge during your break or settling in for a longer gaming session, Square Lines offers the perfect blend of relaxation and strategic thinking. With its clean design and progressive difficulty, every level brings a new challenge to overcome. Download now and start your journey to become a Square Lines master! Note: This game is designed to be challenging yet fair, rewarding strategic thinking and careful planning. Regular updates will bring new challenges and features to keep the gameplay fresh and exciting.
Screenshots
Verdict
The clearest difference is in-app purchases: Squaria at none against 21 Letters's 6. Squaria also leads on ads (none vs shown) and review sentiment (100% vs 82%). 21 Letters's advantage is iOS requirement (12.0 vs 15.0). On price 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. 21 Letters sells 6 one-off in-app purchases. Squaria asks for nothing beyond the download.
21 Letters ships an update every 2 days, Squaria daily. Both last shipped on November 4, 2026.
| Parameter | 21 Letters | Squaria |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (64 ratings) — better | — |
| Positive reviews | 81.8% of reviews | 100.0% of reviews — better |
| Number of ratings | 64 — better | — |
| Update frequency | Every 2 days | Daily — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 106 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Shallot Games, LLC. | Altay KIRLI |
Customer experience
21 Letters
Squaria
In-app purchases
21 Letters
- August 2024 Ad-Free$2.99
- September 2024 Ad-Free$2.99
- October 2024 Ad-Free$2.99
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- May 2024 Ad-Free$2.99
- June 2024 Ad-Free$2.99
- July 2024 Ad-Free$2.99
Squaria
No in-app purchases









