# Happy Glass vs Block Tower

The clearest difference is ads: Block Tower at none against Happy Glass's shown. Happy Glass's advantage is iOS requirement (15.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Happy Glass sells 10 in-app purchases, starting at $7.99 per 7 days and Block Tower sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Happy Glass | Block Tower |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (99K ratings)](https://appshunter.io/ios/app/happy-glass/id1425793208/reviews)** | — |
| Number of ratings | **99K** | — |
| Positive reviews | 48.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | — |
| Monetization | Subscription | — |
| Size | 249 MB | 9 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Lion Studios](https://appshunter.io/developer/1362220666) | [Hai-Chou Wang](https://appshunter.io/developer/1789103330) |

## What reviewers say

### Happy Glass

[App page](https://appshunter.io/ios/app/happy-glass/id1425793208)

Fill a glass with liquid by drawing lines to solve physics-based puzzles. Get creative with your solutions to complete levels and make the glass happy again. Enjoy a fun and relaxing experience with many challenging stages.

**Highlights:** Draw lines freely to complete levels, Dynamic liquid filling mechanism, Smart and fun physics puzzles, Challenging level design, Relaxing and engaging theme, Numerous levels with more added

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Happy Subscription | $7.99 | per 7 days |
| Happy Subscription | $19.99 | per month |
| 900 Coins | $0.99 | one-time |
| Grinch Pack | $1.99 | one-time |
| Starter Pack | $1.99 | one-time |
| Remove Ads | $2.99 | one-time |
| Snow Bundle | $2.99 | one-time |
| 5000 Coins | $4.99 | one-time |
| Happy Bundle | $6.99 | one-time |
| Super Bundle | $15.99 | one-time |

**What reviewers like**

- 🚀 Fun and addictive gameplay
- 👍 Challenging levels that make you think
- 💡 Different game modes and obstacles
- 🎨 Customizable cups and pencils

**What reviewers complain about**

- 🔍 Repetitive and easy levels at times
- 📢 Excessive and repetitive ads
- 🔒 Inappropriate ads shown
- 🐛 Glitches and crashes
- 💰 Expensive in-app purchases

**Reported bugs**

- Screen going black after completing levels
- Issues with ads not working properly
- Inconsistent star/coin rewards

**Requested features**

- More original and challenging level designs
- Reduce frequency of ads or provide ad-free option
- Improve star/coin system to better motivate progression
- Add more customization options
- Improve level selection and navigation


### Block Tower

[App page](https://appshunter.io/ios/app/block-tower-stack-puzzle/id6816695020)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 250 Bolts | $0.99 | one-time |
| 800 Bolts | $1.99 | one-time |
| 2,000 Bolts | $3.99 | one-time |


## Frequently asked questions

### Is Happy Glass free?

Happy Glass is free to download, with in-app purchases available.

### Is Block Tower free?

Block Tower is free to download, with in-app purchases available.

### Do Happy Glass or Block Tower have ads?

Happy Glass shows ads; Block Tower does not.

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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.*