# Particle Simulation vs Rondevu Now

The clearest difference is rating: Rondevu Now at 5.0 against Particle Simulation's 4.5. Rondevu Now also leads on in-app purchases (none vs 4) and update cadence (every 4 days vs every 7 months). Particle Simulation's advantage is ratings volume (46 vs 2) and iOS requirement (12.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. Particle Simulation sells 4 in-app purchases, starting at $3.99 per 7 days. Rondevu Now asks for nothing beyond the download.

Rondevu Now holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Particle Simulation has 46 ratings behind it against 2, so its average is the more settled of the two.

Particle Simulation ships an update every 7 months, Rondevu Now every 4 days. The most recent releases landed on October 8, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Particle Simulation | Rondevu Now |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (46 ratings)](https://appshunter.io/ios/app/particle-simulation-flow-sim/id6467405758/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/rondevu-now/id6739600360/reviews)** |
| Number of ratings | **46** | 2 |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 4 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 132 MB | 77 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Marvin Krueger](https://appshunter.io/developer/1152894281) | [RDVU CONNECT LLC](https://appshunter.io/developer/1786261810) |

## What reviewers say

### Particle Simulation

[App page](https://appshunter.io/ios/app/particle-simulation-flow-sim/id6467405758)

Explore a world of creativity and find tranquility with mesmerizing particle simulations. Interact with dynamic particles, customize their behavior, and create beautiful art impressions while listening to meditative music. It's a calming and creative outlet for stress reduction and self-expression.

**Highlights:** Dynamic particle simulation, Meditative music, Customizable parameters, Autopilot mode, Gyrosensor and haptic feedback, Capture and share creations, Save and load presets

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Particles PRO | $3.99 | per 7 days |
| Psychedelic magic \| monthly | $3.99 | per month |
| Particles PRO | $17.99 | per year |
| Psychedelic magic | $19.99 | one-time |


### Rondevu Now

[App page](https://appshunter.io/ios/app/rondevu-now/id6739600360)

Discover local events and venues with live map updates and spontaneous invites. Share memories on a community map, find niche gatherings, and connect with others based on shared interests after a successful outing.

**Highlights:** Live map event posts, Spontaneous invites, Community event recommendations, Map-based memory sharing, Event and venue discovery, Friend finding and RSVPs

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Particle Simulation free?

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

### Is Rondevu Now free?

Rondevu Now is free to download, with no in-app purchases.

### Which has better reviews, Particle Simulation or Rondevu Now?

Rondevu Now is rated higher. Particle Simulation averages 4.5 out of 5 from 46 ratings, while Rondevu Now averages 5.0 from 2 ratings.

### Do Particle Simulation or Rondevu Now have ads?

Neither Particle Simulation nor Rondevu Now shows ads.

### Which is updated more often, Particle Simulation or Rondevu Now?

Particle Simulation ships an update every 7 months, and Rondevu Now every 4 days. Most recently, Particle Simulation was updated on October 8, 2026 and Rondevu Now on October 4, 2026.

---

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