# Gravity Machine vs FilterSketch

The clearest difference is update cadence: FilterSketch at every 4 days against Gravity Machine's weekly. FilterSketch also leads on price ($7.99 vs $9.99). Gravity Machine's advantage is iOS requirement (15.0 vs 17). On ads, in-app purchases and device support there is nothing between them.

Gravity Machine costs $9.99 and FilterSketch $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Gravity Machine ships an update weekly, FilterSketch every 4 days. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Gravity Machine | FilterSketch |
| --- | --- | --- |
| Price | $9.99 | **$7.99** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/gravity-machine/id6761209781/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | Paid | — |
| Size | 13 MB | 2 MB |
| Requires iOS | **15.0** | 17 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Touchmachines](https://appshunter.io/developer/1887356152) | [Avi Bortnick](https://appshunter.io/developer/421929037) |

## What reviewers say

### Gravity Machine

[App page](https://appshunter.io/ios/app/gravity-machine/id6761209781)

Create music by manipulating a miniature solar system. Fling orbs that bounce off walls, generating notes based on physics and chosen scales. Customize worlds, sounds, and tunings for unique generative compositions.

**Highlights:** Generative music creation, Physics-based orb interactions, Customizable scales and tunings, Multiple world shapes, AUv3 and standalone modes, MIDI output

**Features:** Vision Pro support

**In-app purchases:** none


### FilterSketch

[App page](https://appshunter.io/ios/app/filtersketch-audio-shaper/id6806066891)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Gravity Machine free?

Gravity Machine costs $9.99, with no in-app purchases.

### Is FilterSketch free?

FilterSketch costs $7.99, with no in-app purchases.

### Do Gravity Machine or FilterSketch have ads?

Neither Gravity Machine nor FilterSketch shows ads.

### Which is updated more often, Gravity Machine or FilterSketch?

Gravity Machine ships an update weekly, and FilterSketch every 4 days. Most recently, Gravity Machine was updated on November 7, 2026 and FilterSketch on October 31, 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.*