# Happy Glass vs Burger Stack!

The clearest difference is review sentiment: Happy Glass at 49% against Burger Stack!'s 0%. Happy Glass also leads on rating (4.3 vs 3.7) and ratings volume (99K vs 3). Burger Stack!'s advantage is in-app purchases (none vs 11) and update cadence (every 10 days vs every 3 weeks). On price, ads 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. Burger Stack! asks for nothing beyond the download.

Happy Glass holds the better App Store score, 4.3 against 3.7. That said, the two scores are not equally well evidenced: Happy Glass has 99K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 49% of Happy Glass's written reviews are positive against 0% of Burger Stack!'s.

Happy Glass ships an update every 3 weeks, Burger Stack! every 10 days. The most recent releases landed on October 17, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Happy Glass | Burger Stack! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (99K ratings)](https://appshunter.io/ios/app/happy-glass/id1425793208/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/burger-stack/id1515051657/reviews) |
| Number of ratings | **99K** | 3 |
| Positive reviews | **48.6% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Monetization | Subscription | **Ad-supported** |
| Size | 249 MB | 207 MB |
| Requires iOS | 15.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Lion Studios](https://appshunter.io/developer/1362220666) | [T Accelerator Inc.](https://appshunter.io/developer/1520337531) |

## 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


### Burger Stack!

[App page](https://appshunter.io/ios/app/burger-stack/id1515051657)

Build delicious burgers by stacking various ingredients in a 50s diner-themed game. Unlock new toppings as you advance through addictive, mission-based levels. Enjoy high-quality graphics and simple controls.

**Highlights:** 50s diner theme, Unlockable toppings, Mission-based gameplay, High-quality graphics, Simple controls

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

**In-app purchases:** none


## Frequently asked questions

### Is Happy Glass free?

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

### Is Burger Stack! free?

Burger Stack! is free to download, with no in-app purchases.

### Which has better reviews, Happy Glass or Burger Stack!?

Happy Glass is rated higher. Happy Glass averages 4.3 out of 5 from 99K ratings, while Burger Stack! averages 3.7 from 3 ratings.

### Do Happy Glass or Burger Stack! have ads?

Both Happy Glass and Burger Stack! show ads.

### Which is updated more often, Happy Glass or Burger Stack!?

Happy Glass ships an update every 3 weeks, and Burger Stack! every 10 days. Most recently, Happy Glass was updated on October 17, 2026 and Burger Stack! on September 30, 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.*