# Pendulum Art vs Optical Illusions

The clearest difference is in-app purchases: Optical Illusions at none against Pendulum Art's 5. Pendulum Art's advantage is update cadence (every 5 days vs every 19 months) and review sentiment (27% vs 0%). On price, ads and device support there is nothing between them.

Both are free to download. Pendulum Art sells 5 one-off in-app purchases. Optical Illusions asks for nothing beyond the download.

Pendulum Art ships an update every 5 days, Optical Illusions every 19 months. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Pendulum Art | Optical Illusions |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (643 ratings)](https://appshunter.io/ios/app/pendulum-art-paint-by-flow/id1533679732/reviews)** | — |
| Number of ratings | **643** | — |
| Positive reviews | **26.7% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 5 days** | Every 19 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 198 MB | 149 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Dimensional Applications Inc](https://appshunter.io/developer/690605597) | [Rocketship Studios LLP](https://appshunter.io/developer/1456752660) |

## What reviewers say

### Pendulum Art

[App page](https://appshunter.io/ios/app/pendulum-art-paint-by-flow/id1533679732)

This app simulates the mesmerizing flow of paint from a swinging bucket, offering realistic physics for a lifelike experience. Users can create beautiful, emergent art by simply filling a bucket with color and giving it a push. Explore AR mode to bring your creations into the real world and easily share them on social media.

**Highlights:** Realistic paint physics simulation, Color bucket filling, AR mode for real-world art, Easy social media sharing, Relaxing art creation process

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Add 10 Loops | $0.99 | one-time |
| Remove Ads | $1.99 | one-time |
| Add 25 Loops | $1.99 | one-time |
| Add 50 Loops | $2.99 | one-time |
| Add 100 Loops | $3.99 | one-time |

**What reviewers like**

- 🎨 Fun and satisfying gameplay
- 🎵 Nice zen music
- 💡 Innovative loop purchasing system
- 🌈 Multi-color feature
- 📱 AR functionality

**What reviewers complain about**

- 📢 Excessive ads
- 💰 Unfair monetization and pricing issues
- ⚙️ Poor touch responsiveness
- 🎨 Inconsistent painting value rewards
- 📊 Low image quality for small circles

**Reported bugs**

- Color selection mismatch (selecting one color produces different color)
- Game glitches that ruin paintings
- Sharing feature sends only white screen
- Slow touch response and direction recognition
- No-ads purchase not transferring to new phone

**Requested features**

- Rainbow paint option with all color fades
- In-game currency or coin system
- Color picker tool (eyedropper from real life)
- Music selection/picker feature
- Unlimited loops and colors sandbox mode


### Optical Illusions

[App page](https://appshunter.io/ios/app/optical-illusionsbrain-teaser/id1555733337)

Engage with a collection of mind-bending visual puzzles designed to challenge your perception and cognitive skills. Explore numerous optical illusions that will test your brain power and visual acuity in a fun and engaging way.

**Highlights:** Hundreds of optical illusion challenges, Spot trick questions and hidden traps, Minimal design for illusion clarity, Time-limited challenges, Suitable for all ages, IQ training and mind games

**In-app purchases:** none


## Frequently asked questions

### Is Pendulum Art free?

Pendulum Art is free to download, with in-app purchases available.

### Is Optical Illusions free?

Optical Illusions is free to download, with no in-app purchases.

### Do Pendulum Art or Optical Illusions have ads?

Both Pendulum Art and Optical Illusions show ads.

### Which is updated more often, Pendulum Art or Optical Illusions?

Pendulum Art ships an update every 5 days, and Optical Illusions every 19 months. Most recently, Pendulum Art was updated on October 29, 2026 and Optical Illusions on October 30, 2026.

---

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