Letter Head! vs Lock Shape
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Letter Head!
Challenge your vocabulary by finding words that contain specific three-letter combinations. Progress through over 5000 unique puzzles with adjustable difficulty. Earn hints and bonuses as you play, with no time limits.
- Find words with given 3 letters
- Over 5000 unique puzzles
- Adjustable difficulty levels
- Earn hints and bonuses
- No time limits
- Daily challenges and bonuses
- Offline play
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Test your vocabulary by finding words that contain the given 3 letters. Word matches range from 4 to 8 letters (no proper nouns). Progress to the next level once you find enough words, or keep going to earn bonuses for finding more! If you’re a fan of word puzzles, crosswords, word searches, or just free casual games you can play online or offline, give Letter Head a try! • Over 5000 unique puzzles. Choose from easy, medium, and hard puzzle sets. Harder puzzles have fewer possible matches. Fun for logophiles and learners alike. • Train your brain: challenge your vocabulary and spelling skills. Instant feedback on whether you’ve found a match! • Earn hints by playing: If you get stuck, use the gems on hints to reveal letters and words . You earn gems just by completing puzzles, and even more for bonus words. Free bonuses every few levels! • No time limits: That next word just at the tip of your brain? Relax and go at your own pace. Take a break and come back any time. • Daily Challenges: A new challenge puzzle every day. Can you find one of the few words that match? • Daily Bonuses: Play every day to gain bonus gems. • Relaxing images: enjoy pleasant background themes while pondering the next word. • Play any time: Play offline with no wifi or internet required. Game state is saved on your device. If you delete and reinstall the app you will lose your progress and gems. Terms of service: https://horsearms.com/terms Privacy policy: https://horsearms.com/privacy
Lock Shape
Test your reflexes and focus in this challenging shape-matching game. Spin the octagon to align with incoming shapes and aim for the highest score. It's easy to learn but incredibly difficult to master, offering an addictive experience.
- Shape matching gameplay
- Precision tapping controls
- High score challenges
- Addictive gameplay loop
- Free to play
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Test your reflexes and focus in Lock Shape — the ultimate fast-paced shape and color matching challenge! Can you keep up as the speed ramps up? Tap with precision, spin the wheel, and match incoming shapes and colors before they collide. Easy to pick up, impossible to put down! TWO ADDICTIVE GAME MODES: • Shapes Mode: Tap left or right to rotate the octagon and lock in the falling geometric shapes. • Colors Mode: Tap to spin the color wheel and match the falling balls with the right color. KEY FEATURES: • Fast-Paced Reflex Gameplay: Sharpen your reaction time and hand-eye coordination with dynamic, scaling difficulty. • Simple, Intuitive Controls: Seamless one-touch / two-thumb controls designed specifically for one-handed or quick play sessions. • Global Game Center Leaderboards: Compete with friends and players worldwide for the #1 high score. • Share Your Triumphs: Generate custom scorecard snapshots directly to social media and challenge your friends. • Sleek Geometric Aesthetics: Minimalist modern design, smooth animations, and satisfying sound effects. • 100% Free to Play: Jump in anytime, anywhere — perfect for quick breaks or long streaks! How fast are your reflexes? Download Lock Shape today and see how long you can survive! Privacy Policy: https://foodbooks.in/lock-shape/privacy-policy.html
Screenshots
Verdict
The clearest difference is in-app purchases: Lock Shape at none against Letter Head!'s 4. Letter Head!'s advantage is ads (none vs shown) and update cadence (fortnightly vs every 20 months). On price, review sentiment 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. Letter Head! sells 4 one-off in-app purchases. Lock Shape asks for nothing beyond the download.
Letter Head! ships an update fortnightly, Lock Shape every 20 months. The most recent releases landed on October 7, 2026 and October 11, 2026 respectively.
| Parameter | Letter Head! | Lock Shape |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (5 ratings) — better | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 5 — better | — |
| Update frequency | Fortnightly — better | Every 20 months |
| Ads | No — better | Yes |
| 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 |
| Further details — not scored | ||
| Size | 60 MB | 12 MB |
| Age rating | 12+ | 4+ |
| Developer | Horse Arms LLC | kunal rameshbhai |
Customer experience
Letter Head!
Lock Shape
In-app purchases
Letter Head!
- 100 Gems$0.99
- Remove Ads$1.99
- 1000 Gems$6.99
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- 10000 Gems$29.99
Lock Shape
No in-app purchases









