# NoiseFace vs PX1 FM Synth

The clearest difference is rating: PX1 FM Synth at 5.0 against NoiseFace's 4.6. NoiseFace's advantage is price ($4.99 vs $7.99) and ratings volume (9 vs 2). On ads, in-app purchases, monetization model and device support there is nothing between them.

NoiseFace costs $4.99 and PX1 FM Synth $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

PX1 FM Synth holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 9 and 2 respectively.

## The numbers

| Metric | NoiseFace | PX1 FM Synth |
| --- | --- | --- |
| Price | **$4.99** | $7.99 |
| Rating | [4.6 (9 ratings)](https://appshunter.io/ios/app/noiseface/id6754266069/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/px1-fm-synth/id6785258298/reviews)** |
| Number of ratings | **9** | 2 |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 2 weeks |
| Monetization | Paid | Paid |
| Size | 2 MB | 121 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Johanna Quiceno](https://appshunter.io/developer/1825279663) | [Peter Sjogren](https://appshunter.io/developer/1268263124) |

## What reviewers say

### NoiseFace

[App page](https://appshunter.io/ios/app/noiseface/id6754266069)

Discover, mix, and visualize various noise colors with an adorable animated character. Adjust individual noise levels, save custom mixes, and enjoy a unique visual representation of sound. Perfect for focus, sleep, and relaxation.

**Highlights:** 12 Noise Colors, Visual Waveforms, Individual Control, Save Presets, Adorable Character, Drag to Delete Presets, Modulation Mode

**In-app purchases:** none


### PX1 FM Synth

[App page](https://appshunter.io/ios/app/px1-fm-synth/id6785258298)

Create rich, wide stereo sounds with a dual-engine FM synthesizer. Explore classic 1980s digital synth tones, from electric pianos to metallic bells, with extensive operator and envelope controls. It functions as a standalone app or an AUv3 plugin for music production.

**Highlights:** Dual independent 6-operator FM engines, 32 classic FM algorithms, Per-operator envelopes and pan, Five macro knobs for sound shaping, Built-in reverb, AUv3 plugin support, Random patch generator

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is NoiseFace free?

NoiseFace costs $4.99, with no in-app purchases.

### Is PX1 FM Synth free?

PX1 FM Synth costs $7.99, with no in-app purchases.

### Which has better reviews, NoiseFace or PX1 FM Synth?

PX1 FM Synth is rated higher. NoiseFace averages 4.6 out of 5 from 9 ratings, while PX1 FM Synth averages 5.0 from 2 ratings.

### Do NoiseFace or PX1 FM Synth have ads?

Neither NoiseFace nor PX1 FM Synth shows ads.

---

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