# Professor Grade vs Paint Dropper

The clearest difference is rating: Paint Dropper at 4.5 against Professor Grade's 3.4. Paint Dropper also leads on ratings volume (36K vs 14). Professor Grade's advantage is ads (none vs shown) and monetization model (free vs free with in-app purchases). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Paint Dropper holds the better App Store score, 4.5 against 3.4. That said, the two scores are not equally well evidenced: Paint Dropper has 36K ratings behind it against 14, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 18, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Professor Grade | Paint Dropper |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (14 ratings)](https://appshunter.io/ios/app/professor-grade/id1508272158/reviews) | **[4.5 (36K ratings)](https://appshunter.io/ios/app/paint-dropper/id1515850366/reviews)** |
| Number of ratings | 14 | **36K** |
| Positive reviews | — | 32.6% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 364 MB | 164 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [RedLine Games](https://appshunter.io/developer/1050165849) | [KAYAC Inc.](https://appshunter.io/developer/315952203) |

## What reviewers say

### Professor Grade

[App page](https://appshunter.io/ios/app/professor-grade/id1508272158)

Test your knowledge by swiping right for correct answers and left for incorrect ones. Challenge yourself to become the ultimate professor in this fun and engaging game.

**Highlights:** Swipe right for correct answers, Swipe left for incorrect answers, Become the best professor, Fun gameplay

**Features:** macOS Compatibility

**In-app purchases:** none


### Paint Dropper

[App page](https://appshunter.io/ios/app/paint-dropper/id1515850366)

A simple yet challenging puzzle game where players swap colors using a dropper to solve beautiful painting puzzles. Exercise your brain with engaging and visually appealing challenges.

**Highlights:** Color swapping mechanic, Dropper tool, Beautiful painting puzzles, Challenging gameplay, Brain teaser

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

**In-app purchases:** none

**What reviewers like**

- 👍 Fun and relaxing game
- 💡 Satisfying to complete levels
- 🚀 Game is easy to pick up and play

**What reviewers complain about**

- 🤯 Too many ads after every level
- 😩 Levels are too easy and repetitive
- 🐛 Game crashes and lags frequently

**Reported bugs**

- Game freezes when transitioning between levels
- Levels sometimes don't load properly

**Requested features**

- Increase difficulty and complexity of levels
- Reduce frequency of ads
- Add more variety in level designs


## Frequently asked questions

### Is Professor Grade free?

Professor Grade is free to download, with no in-app purchases.

### Is Paint Dropper free?

Paint Dropper is free to download, with no in-app purchases.

### Which has better reviews, Professor Grade or Paint Dropper?

Paint Dropper is rated higher. Professor Grade averages 3.4 out of 5 from 14 ratings, while Paint Dropper averages 4.5 from 36K ratings.

### Do Professor Grade or Paint Dropper have ads?

Paint Dropper shows ads; Professor Grade does not.

### Which is updated more often, Professor Grade or Paint Dropper?

Professor Grade ships an update fortnightly, and Paint Dropper fortnightly. Most recently, Professor Grade was updated on October 18, 2026 and Paint Dropper on October 24, 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.*