Board Brain vs Cogs Words
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Board Brain
This app helps chess players of all levels enhance their skills through interactive games and exercises. It focuses on mastering chessboard coordinates, understanding piece movements, and recognizing square colors to improve overall game vision.
- Interactive games
- Skill-building exercises
- Chessboard coordinate mastery
- Piece movement understanding
- Square color recognition
Read full descriptionHide full description
BoardBrain is designed to help both novice and experienced chess players improve their skills. It offers interactive games and exercises that focus on mastering chessboard coordinates, understanding piece movements, and recognizing square colors.
Cogs Words
Read full descriptionHide full description
Cogs Words: Letter Gears is a relaxing yet challenging word puzzle that combines vocabulary, logic, and spatial thinking in a unique rotating gear mechanic. Your goal is to rotate groups of letter gears to arrange the letters into the correct words. Every move changes multiple letters at once, so each decision requires careful planning. Use the category hint to guide your thinking, uncover hidden words, and solve each puzzle through observation and deduction. Whether you're looking for a casual word game or a rewarding mental workout, Cogs Words offers puzzles for every skill level. Choose from Easy, Medium, or Hard difficulty, then enjoy Infinite Mode with endlessly generated puzzles that keep every game fresh. Play anywhere with full offline support—no internet connection required. Track your completed puzzles, monitor your best results, and watch your solving skills improve over time. Features Unique rotating letter puzzle gameplay Hundreds of word puzzles plus endless generated challenges Easy, Medium, and Hard difficulty levels Infinite Mode for unlimited replayability Play completely offline Track completed puzzles and best records Clean, intuitive interface Great for vocabulary building, logical thinking, and daily brain training Easy to learn and satisfying to master, Cogs Words: Letter Gears offers a fresh twist on classic word puzzles. Rotate the gears, discover the hidden words, and enjoy endless brain-training fun wherever you go.
Screenshots
Verdict
The clearest difference is in-app purchases: Board Brain at none against Cogs Words's 1. Board Brain also leads on ads (none vs shown) and update cadence (every 6 days vs every 3 weeks). On price, device support and iOS requirement 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. Cogs Words sells 1 one-off in-app purchase. Board Brain asks for nothing beyond the download.
Board Brain ships an update every 6 days, Cogs Words every 3 weeks. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.
| Parameter | Board Brain | Cogs Words |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 6 days — better | Every 3 weeks |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 2 MB | 73 MB |
| Age rating | 4+ | 12+ |
| Developer | Selvarajan Thangavel | Huy Huynh |
In-app purchases
Board Brain
No in-app purchases
Cogs Words
- Remove Ads$5.99
Questions
Is Board Brain free?
Is Cogs Words free?
Do Board Brain or Cogs Words have ads?
Which is updated more often, Board Brain or Cogs Words?
Other comparisons















