# TanZen HD vs Chess By Post Premium

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.

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.

## The numbers

| Metric | TanZen HD | Chess By Post Premium |
| --- | --- | --- |
| Price | $2.99 | $2.99 |
| Rating | [4.7 (257 ratings)](https://appshunter.io/ios/app/tanzen-hd/id363300963/reviews) | **[4.7 (41 ratings)](https://appshunter.io/ios/app/chess-by-post-premium/id510356580/reviews)** |
| Number of ratings | **257** | 41 |
| Positive reviews | **95.9% of reviews** | 82.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | **Free** | Paid |
| Size | 193 MB | 35 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Little White Bear Studios, LLC](https://appshunter.io/developer/286331903) | [Games By Post LLC](https://appshunter.io/developer/449504484) |

## What reviewers say

### TanZen HD

[App page](https://appshunter.io/ios/app/tanzen-hd/id363300963)

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.

**Highlights:** Over 500 tangram puzzles, Classic tangram gameplay, Fit seven geometric pieces, No overlapping pieces, Puzzle completion recognition, Play for short or long durations

**In-app purchases:** none

**What reviewers like**

- 🌟 Relaxing and enjoyable puzzles
- 👍 Intuitive and easy-to-use interface
- 🧠 Mentally stimulating and challenging
- 🎨 Beautiful and soothing visuals
- 🎶 Calming background music

**What reviewers complain about**

- 🐛 Occasional crashes or glitches
- 🔍 Puzzles can be too easy at times
- 🔍 Lack of advanced or customizable difficulty options
- 🔍 Limited background or music options

**Reported bugs**

- Crashes or freezes after completing all puzzles
- Compatibility issues on older devices

**Requested features**

- 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

[App page](https://appshunter.io/ios/app/chess-by-post-premium/id510356580)

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.

**Highlights:** Correspondence chess, Rated matches, Chess puzzles, Skill-based matchmaking, Game analysis, Move history explorer, Local hand-off games

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Simple and easy to navigate
- 👍 Clean, no-frills design
- 👍 Good for casual games
- 👍 Cross-platform compatibility
- 👍 User-friendly interface

**What reviewers complain about**

- 🐛 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

**Reported bugs**

- 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

**Requested features**

- 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


## Frequently asked questions

### Is TanZen HD free?

TanZen HD costs $2.99, with no in-app purchases.

### Is Chess By Post Premium free?

Chess By Post Premium costs $2.99, with no in-app purchases.

### Which has better reviews, TanZen HD or Chess By Post Premium?

Chess By Post Premium is rated higher. TanZen HD averages 4.7 out of 5 from 257 ratings, while Chess By Post Premium averages 4.7 from 41 ratings.

### Do TanZen HD or Chess By Post Premium have ads?

Neither TanZen HD nor Chess By Post Premium shows ads.

### Which is updated more often, TanZen HD or Chess By Post Premium?

TanZen HD ships an update every 2 months, and Chess By Post Premium every 5 months. Most recently, TanZen HD was updated on October 23, 2026 and Chess By Post Premium on October 21, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*