TanZen HD vs Chess By Post Premium
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
TanZen HD
Engage in a classic tangram puzzle experience with over 500 challenges. Fit seven geometric pieces into a shaded area without overlap to solve each puzzle. Perfect for quick breaks or extended play sessions.
- Over 500 tangram puzzles
- Classic tangram gameplay
- Fit seven geometric pieces
- No overlapping pieces
- Puzzle completion recognition
- Play for short or long durations
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Find your Zen, with this updated version of the classic tangram puzzle game with over 500 puzzles! Choose a puzzle to solve, and try to fit all seven game pieces within the shaded puzzle area without overlapping. TanZen HD will recognize when the puzzle is finished. Pick up and play for two minutes, or two hours!
Chess By Post Premium
Engage in correspondence chess with friends or random opponents. Improve your skills with rated matches, chess puzzles, and detailed game analysis. Enjoy features like push notifications, head-to-head stats, and an interactive move history explorer.
- Correspondence chess
- Rated matches
- Chess puzzles
- Skill-based matchmaking
- Game analysis
- Move history explorer
- Local hand-off games
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*** Note there is also a free version of Chess By Post that is ad-supported. This paid version has no advertisements *** Play correspondence chess with real people! Challenge your friends to friendly games or play ranked matches against random opponents of similar skill levels. Play as many simultaneous games as your want! Automatic push notifications will let you know when you have moves waiting! Improve your ranking by playing ranked games against comparable opponents. Skill ranking updates using the classic Elo rating system to adjust your rank when you win or lose. A leader board view shows you how you compare to the top players. Chess By Post is perfect for players of all skill levels because your matched opponent's skill level will be adapted based on your own skill level. Create a local hand-off game and play your friend by passing the phone back and forth. Play against a computer opponent that adjusts difficulty to match your skill level. Improve your skills by playing a practically endless set of rated chess puzzles. Features: --------- -Tracks your skill level over time -Matches you with similar skilled opponents -Practice chess puzzles to improve your game -End game analysis shows you the critical mistakes made by each player -Head to head stats -Move History Statistics - Explore the moves of every game you ever played with an interactive board explorer -Freely move pieces to plan strategies -Take notes on games to remember strategies -In-game chat message board -In-game move histories for easy review -Ratings leader board -Local hand-off games can be played offline -Play games against a computer opponent with varied skill levels
Screenshots
Verdict
The clearest difference is monetization model: TanZen HD at free against Chess By Post Premium's paid. TanZen HD also leads on update cadence (every 2 months vs every 5 months) and review sentiment (96% vs 83%). On price, rating, 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
TanZen HD costs $2.99 and Chess By Post Premium $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 4.7 for TanZen HD against 4.7 for Chess By Post Premium. That said, the two scores are not equally well evidenced: TanZen HD has 257 ratings behind it against 41, so its average is the more settled of the two. Written reviews are what separate them: 96% of TanZen HD's written reviews are positive against 83% of Chess By Post Premium's.
TanZen HD ships an update every 2 months, Chess By Post Premium every 5 months. The most recent releases landed on October 23, 2026 and October 21, 2026 respectively.
| Parameter | TanZen HD | Chess By Post Premium |
|---|---|---|
| Price | $2.99 | $2.99 |
| Rating | 4.7 (257 ratings) | 4.7 (41 ratings) — better |
| Positive reviews | 95.9% of reviews — better | 82.8% of reviews |
| Number of ratings | 257 — better | 41 |
| Update frequency | Every 2 months — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPad | iPhone, iPad — better |
| Requires iOS | 10.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 193 MB | 35 MB |
| Age rating | 4+ | 4+ |
| Developer | Little White Bear Studios, LLC | Games By Post LLC |
Customer experience
TanZen HD
Chess By Post Premium
User reviews
TanZen HD
From 257 App Store ratingsWhat we love
- 🌟 Relaxing and enjoyable puzzles
- 👍 Intuitive and easy-to-use interface
- 🧠 Mentally stimulating and challenging
- 🎨 Beautiful and soothing visuals
- 🎶 Calming background music
Room to improve
- 🐛 Occasional crashes or glitches
- 🔍 Puzzles can be too easy at times
- 🔍 Lack of advanced or customizable difficulty options
- 🔍 Limited background or music options
Chess By Post Premium
From 41 App Store ratingsWhat we love
- 👍 Simple and easy to navigate
- 👍 Clean, no-frills design
- 👍 Good for casual games
- 👍 Cross-platform compatibility
- 👍 User-friendly interface
Room to improve
- 🐛 Games don't update quickly
- 🐛 Inability to start rated games against friends
- 🐛 Chat deletes apostrophes
- 🐛 Rating system inflated compared to official ratings
- 🐛 Post-game analysis may miss obvious blunders
Bugs and requests
TanZen HD
Reported bugs
2 issues- Crashes or freezes after completing all puzzles
- Compatibility issues on older devices
Requested features
4 requests- More advanced or challenging puzzle designs
- Ability to create and share custom puzzles
- Option to turn off the visible outline of the target shape
- Expanded background and music selection
Chess By Post Premium
Reported bugs
16 issues- Can't log in after phone update
- Games don't update for days
- Chat deletes apostrophes
- Post-game analysis misses obvious blunders
- Windows version exports non-English PGN
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- Material advantage display is inconsistent
- Puzzle ratings don't sync between devices
- Accidental move commits due to button placement
- Notifications stopped coming (iPhone SE, iOS 13.6)
- No notification after opponent's move (banner, sticker, sound)
- No notification when it's opponent's turn
- App crashes since iOS 7
- Stalemate rule is automatic, not player's choice
- No way to report or block offensive players
- No way to leave feedback about other players
- Cheaters are increasing, no reporting option
Requested features
16 requests- Option to choose time controls (1-5 days per move)
- Display next position when it's my turn
- View opponent's completed games
- Search games by ECO
- Start rated games against friends
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- Swipe left to go to the next game
- Block function for offensive players
- Option to disable vibrate when another player makes a move on a different game
- Ability to view games of better players
- More customization for board and pieces
- Ability to swipe left and right between other open games
- Make app universal for iPad
- Add email functionality for PGN files
- Allow players to choose sides when rematching
- More board and piece customization options
- Ability to save lines tried on the demonstration board
In-app purchases
TanZen HD
No in-app purchases
Chess By Post Premium
No in-app purchases
Questions
Is TanZen HD free?
Is Chess By Post Premium free?
Which has better reviews, TanZen HD or Chess By Post Premium?
Do TanZen HD or Chess By Post Premium have ads?
Which is updated more often, TanZen HD or Chess By Post Premium?
Other comparisons
