# Particle Simulation vs SMS

The clearest difference is price: Particle Simulation at Free against SMS's $1.99. Particle Simulation also leads on update cadence (every 7 months vs every 20 months) and iOS requirement (12.0 vs 15.6). SMS's advantage is in-app purchases (none vs 4). On ads and device support there is nothing between them.

Particle Simulation is free to download; SMS costs $1.99 up front. Particle Simulation sells 4 in-app purchases, starting at $2.99 per 7 days. SMS asks for nothing beyond the download.

Particle Simulation ships an update every 7 months, SMS every 20 months. The most recent releases landed on September 9, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Particle Simulation | SMS |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.5 (46 ratings)](https://appshunter.io/ios/app/particle-simulation-flow-sim/id6467405758/reviews)** | — |
| Number of ratings | **46** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 20 months |
| Monetization | Free with in-app purchases | — |
| Size | 132 MB | 13 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Marvin Krueger](https://appshunter.io/developer/1152894281) | [若伦 翁](https://appshunter.io/developer/1029029483) |

## 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 | $2.99 | per 7 days |
| Psychedelic magic \| monthly | $3.99 | per month |
| Particles PRO | $12.99 | per year |
| Psychedelic magic | $19.99 | one-time |


### SMS

[App page](https://appshunter.io/ios/app/sms-lite/id6670765933)

**In-app purchases:** none


## Frequently asked questions

### Is Particle Simulation free?

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

### Is SMS free?

SMS costs $1.99, with no in-app purchases.

### Do Particle Simulation or SMS have ads?

Neither Particle Simulation nor SMS shows ads.

### Which is updated more often, Particle Simulation or SMS?

Particle Simulation ships an update every 7 months, and SMS every 20 months. Most recently, Particle Simulation was updated on September 9, 2026 and SMS on September 10, 2026.

---

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