# Brain Dots vs Happy Glass

The clearest difference is monetization model: Brain Dots at free with in-app purchases against Happy Glass's subscription. Happy Glass's advantage is ratings volume (99K vs 8.2K). On price, rating, review sentiment and update cadence there is nothing between them.

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

Brain Dots holds the better App Store score, 4.4 against 4.3. That said, the two scores are not equally well evidenced: Happy Glass has 99K ratings behind it against 8.2K, so its average is the more settled of the two. Written reviews point the same way: 50% of Brain Dots's written reviews are positive against 49% of Happy Glass's.

Both ship on a similar rhythm, roughly every 3 weeks. Both last shipped on October 29, 2026.

## The numbers

| Metric | Brain Dots | Happy Glass |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (8.2K ratings)](https://appshunter.io/ios/app/brain-dots/id1004227662/reviews)** | [4.3 (99K ratings)](https://appshunter.io/ios/app/happy-glass/id1425793208/reviews) |
| Number of ratings | 8.2K | **99K** |
| Positive reviews | **49.9% of reviews** | 48.6% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 55 MB | 249 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Translimit, Inc.](https://appshunter.io/developer/845044431) | [Lion Studios](https://appshunter.io/developer/1362220666) |

## What reviewers say

### Brain Dots

[App page](https://appshunter.io/ios/app/brain-dots/id1004227662)

A challenging puzzle game where you draw lines and shapes to make two balls collide. Collect different drawing tools and create your own levels to test the skills of players worldwide. It's a test of logic and flexible thinking.

**Highlights:** Bump two balls to clear stages, Draw lines and shapes freely, Collect over 25 varieties of pens, Create and share custom stages, Review and share victory moments, Tests logical thinking and flexibility

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mechanical pencil | $0.99 | one-time |
| Pen | $0.99 | one-time |
| Colored pencil | $0.99 | one-time |
| Crayon | $1.99 | one-time |
| Brush | $1.99 | one-time |
| Watercolor painting brush | $1.99 | one-time |
| Decorated pen | $2.99 | one-time |
| Rainbow pencil | $2.99 | one-time |
| Fountain pen | $3.99 | one-time |
| Remove Cut-In Ads | $3.99 | one-time |

**What reviewers like**

- 🧠 Challenging and engaging puzzles
- 🎨 Variety of pen styles and customization options
- ⚙️ Interesting physics-based gameplay
- 👍 Fun for all ages

**What reviewers complain about**

- 💢 Excessive and intrusive ads
- 🐛 Frequent crashes and bugs
- 🔋 High battery consumption
- 📱 Compatibility issues with older devices
- 👀 Difficulty seeing around finger when drawing

**Reported bugs**

- Crashes when trying to create own levels
- Hint feature not working as expected
- Inability to play on iOS 17 devices

**Requested features**

- Ability to save and transfer progress across devices
- Option to disable hint prompts
- More advanced level creation tools
- Improved Apple Pencil support


### 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


## Frequently asked questions

### Is Brain Dots free?

Brain Dots is free to download, with in-app purchases available.

### Is Happy Glass free?

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

### Which has better reviews, Brain Dots or Happy Glass?

Brain Dots is rated higher. Brain Dots averages 4.4 out of 5 from 8.2K ratings, while Happy Glass averages 4.3 from 99K ratings.

### Do Brain Dots or Happy Glass have ads?

Both Brain Dots and Happy Glass show ads.

### Which is updated more often, Brain Dots or Happy Glass?

Brain Dots ships an update every 3 weeks, and Happy Glass every 3 weeks. Most recently, Brain Dots was updated on October 29, 2026 and Happy Glass on October 29, 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.*