# Tesla Toy vs OpEvol

The clearest difference is review sentiment: Tesla Toy at 83% against OpEvol's 27%. Tesla Toy also leads on in-app purchases (none vs 1) and update cadence (every 3 months vs every 22 months). OpEvol's advantage is price (Free vs $1.99). On ads and device support there is nothing between them.

OpEvol is free to download; Tesla Toy costs $1.99 up front. OpEvol sells 1 in-app purchase, starting at $6.99 per year. Tesla Toy asks for nothing beyond the download.

Tesla Toy ships an update every 3 months, OpEvol every 22 months. The most recent releases landed on October 21, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Tesla Toy | OpEvol |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.6 (1.6K ratings)](https://appshunter.io/ios/app/tesla-toy/id395767185/reviews)** | — |
| Number of ratings | **1.6K** | — |
| Positive reviews | **83.2% of reviews** | 27.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 22 months |
| Monetization | **Free** | Paid |
| Size | 15 MB | 3 MB |
| Requires iOS | **9.0** | 26.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple TV |
| Age rating | 4+ | 4+ |
| Developer | [PDJ Apps](https://appshunter.io/developer/290231771) | [Muddlegeist](https://appshunter.io/developer/701677888) |

## What reviewers say

### Tesla Toy

[App page](https://appshunter.io/ios/app/tesla-toy/id395767185)

An interactive entertainment app that simulates a powerful electrical field. Touching the screen causes thousands of particles to react dynamically and amusingly.

**Highlights:** Interactive electrical field simulation, Thousands of reactive particles, Touchscreen interaction, Amusing particle reactions

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

**In-app purchases:** none

**What reviewers like**

- 👍 Fun and mesmerizing
- 🎨 Vibrant colors and patterns
- 🤖 Responsive to multiple fingers
- 💡 Ability to take screenshots
- 🧠 Captivating and relaxing

**What reviewers complain about**

- 🐛 Occasional crashes or performance issues
- 🔍 Limited customization options
- 🕰️ Gets boring after a while
- 💰 Considered overpriced by some

**Reported bugs**

- Incompatibility with certain devices or screen sizes
- Issues with taking screenshots or saving images

**Requested features**

- Add sound effects or music integration
- Introduce more varied animations and patterns
- Implement a save/load feature for creations
- Allow recording of sessions as videos


### OpEvol

[App page](https://appshunter.io/ios/app/opevol/id788355019)

Experience a dynamic, ever-changing display of psychedelic visuals inspired by 1960s Op Art. This app creates animated fields of geometric colors and contrasts for passive viewing or interactive play.

**Highlights:** Animated geometric patterns, Op Art inspired visuals, Psychedelic color displays, Interactive visual play, Air Display compatibility

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OpEvol Annual Subscription | $6.99 | per year |


## Frequently asked questions

### Is Tesla Toy free?

Tesla Toy costs $1.99, with no in-app purchases.

### Is OpEvol free?

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

### Do Tesla Toy or OpEvol have ads?

Neither Tesla Toy nor OpEvol shows ads.

### Which is updated more often, Tesla Toy or OpEvol?

Tesla Toy ships an update every 3 months, and OpEvol every 22 months. Most recently, Tesla Toy was updated on October 21, 2026 and OpEvol on October 15, 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.*