# iPendulumWaves vs Sensory Particle Sleep Games

The clearest difference is ads: iPendulumWaves at none against Sensory Particle Sleep Games's shown. iPendulumWaves also leads on monetization model (free vs ad-supported). Sensory Particle Sleep Games's advantage is update cadence (every 12 months vs every 90 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

iPendulumWaves ships an update every 90 months, Sensory Particle Sleep Games every 12 months. The most recent releases landed on August 26, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | iPendulumWaves | Sensory Particle Sleep Games |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/sensory-particle-sleep-games/id6448103875/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 90 months | **Every 12 months** |
| Monetization | **Free** | Ad-supported |
| Size | 1 MB | 141 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [fleron](https://appshunter.io/developer/549502195) | [Dimitri Liwenetz](https://appshunter.io/developer/1696108961) |

## What reviewers say

### iPendulumWaves

[App page](https://appshunter.io/ios/app/ipendulumwaves/id585690103)

Experience a 3D graphical simulation of "Pendulum Waves". Interact with the simulation using intuitive touch gestures for camera control, including dragging, pinching, and rotation. Double-tap to reset the camera to its default position.

**Highlights:** 3D graphical simulation, Pendulum Waves physics, 1-finger drag camera movement, 2-finger drag camera panning, Pinch to zoom camera, Rotation gesture for camera, Double tap to reset camera

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

**In-app purchases:** none


### Sensory Particle Sleep Games

[App page](https://appshunter.io/ios/app/sensory-particle-sleep-games/id6448103875)

Engage with mesmerizing fluid simulations and calming particle dynamics in this collection of anti-stress mini-games. Designed for anxiety and stress relief, these games offer satisfying visuals and interactive experiences to help you relax.

**Highlights:** Fluid simulation, Calming particle dynamics, Interactive anti-stress mini-games, Anxiety relief visuals, Customizable soundscapes, Unlockable features

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iPendulumWaves free?

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

### Is Sensory Particle Sleep Games free?

Sensory Particle Sleep Games is free to download, with no in-app purchases.

### Do iPendulumWaves or Sensory Particle Sleep Games have ads?

Sensory Particle Sleep Games shows ads; iPendulumWaves does not.

### Which is updated more often, iPendulumWaves or Sensory Particle Sleep Games?

iPendulumWaves ships an update every 90 months, and Sensory Particle Sleep Games every 12 months. Most recently, iPendulumWaves was updated on August 26, 2026 and Sensory Particle Sleep Games on September 14, 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.*