# Go Particles vs Grating Simulator

The clearest difference is in-app purchases: Grating Simulator at none against Go Particles's 10. Grating Simulator also leads on ads (none vs shown). Go Particles's advantage is update cadence (every 5 weeks vs every 4 months) and iOS requirement (15.0 vs 17.6). On price and device support there is nothing between them.

Both are free to download. Go Particles sells 10 in-app purchases, starting at $3.99 per 7 days. Grating Simulator asks for nothing beyond the download.

Go Particles ships an update every 5 weeks, Grating Simulator every 4 months. The most recent releases landed on November 1, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Go Particles | Grating Simulator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (2.1K ratings)](https://appshunter.io/ios/app/go-particles-anxiety-relief/id1010351471/reviews)** | — |
| Number of ratings | **2.1K** | — |
| Positive reviews | 77.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 5 weeks** | Every 4 months |
| Monetization | Free with in-app purchases | — |
| Size | 240 MB | 1 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mindset Motivation Inc.](https://appshunter.io/developer/1487761499) | [Mark Barclay](https://appshunter.io/developer/1779667710) |

## What reviewers say

### Go Particles

[App page](https://appshunter.io/ios/app/go-particles-anxiety-relief/id1010351471)

Experience a visually stunning and interactive journey designed for relaxation and stress relief. This app offers mesmerizing particle effects that respond to your touch, creating dynamic animations with realistic physics. Escape and unwind with a captivating antistress experience.

**Highlights:** Interactive particle effects, Touch-responsive animations, Realistic physics properties, Combine multiple effects, Mesmerizing visual fusions, Lifelike particle behaviors

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly - Go Particles 3.99 No Trial | $3.99 | per 7 days |
| Weekly - Go Particles 4.99 No Trial | $4.99 | per 7 days |
| 6.99 Weekly - 3 day trial | $6.99 | per 7 days |
| 7.99 Weekly - 3 day trial | $7.99 | per 7 days |
| Annual - 39.99 3 Day Trial | $29.99 | per year |
| Annual - Go Particles 29.99 NoTrial | $29.99 | per year |
| Annual Go Particles 39.99 3DayTrial | $39.99 | per year |
| Full version | $1.99 | one-time |
| Full version option 4 | $4.99 | one-time |
| Lifetime-Go Particles 49.99 NoTrial | $49.99 | one-time |

**What reviewers like**

- 🌟 Satisfying and relaxing
- 🎨 Beautiful visuals and effects
- 🎶 Calming music
- 🔓 No ads or in-app purchases required
- 🧠 Helps relieve stress and anxiety

**What reviewers complain about**

- 🐛 Frequent crashes and bugs
- 🔒 Limited free features, many locked behind paywall
- 📱 Performance issues on older devices
- 🤔 Confusing UI and lack of instructions

**Reported bugs**

- Particles not appearing on some devices
- Inability to close full-screen ads
- In-app purchases not working properly

**Requested features**

- Ability to save/export creations
- More particle shapes and customization options
- Adjustable speed for particle animations
- Sleep timer or auto-off feature
- Offline mode


### Grating Simulator

[App page](https://appshunter.io/ios/app/grating-simulator/id6759843063)

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

**In-app purchases:** none


## Frequently asked questions

### Is Go Particles free?

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

### Is Grating Simulator free?

Grating Simulator is free to download, with no in-app purchases.

### Do Go Particles or Grating Simulator have ads?

Go Particles shows ads; Grating Simulator does not.

### Which is updated more often, Go Particles or Grating Simulator?

Go Particles ships an update every 5 weeks, and Grating Simulator every 4 months. Most recently, Go Particles was updated on November 1, 2026 and Grating Simulator on November 9, 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.*