# Noise Generator vs Granula Synth

The clearest difference is review sentiment: Noise Generator at 75% against Granula Synth's 20%. Noise Generator also leads on rating (4.7 vs 1.8) and in-app purchases (none vs 3). Granula Synth's advantage is ads (none vs shown) and iOS requirement (12.0 vs 15.0). On price, monetization model and device support there is nothing between them.

Both are free to download. Granula Synth sells 3 in-app purchases, starting at $2.99 per month. Noise Generator asks for nothing beyond the download.

Noise Generator holds the better App Store score, 4.7 against 1.8. That said, the two scores are not equally well evidenced: Noise Generator has 2K ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 75% of Noise Generator's written reviews are positive against 20% of Granula Synth's.

Noise Generator ships an update fortnightly, Granula Synth every 25 months. The most recent releases landed on November 5, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Noise Generator | Granula Synth |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (2K ratings)](https://appshunter.io/ios/app/noise-generator-full-spectrum/id1206450560/reviews)** | [1.8 (4 ratings)](https://appshunter.io/ios/app/granula-synth/id1624549704/reviews) |
| Number of ratings | **2K** | 4 |
| Positive reviews | **74.7% of reviews** | 20.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 25 months |
| Monetization | Free with in-app purchases | Freemium |
| Size | 38 MB | 75 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TMSOFT](https://appshunter.io/developer/288669797) | [Stanislav Duplinskiy](https://appshunter.io/developer/1529735040) |

## What reviewers say

### Noise Generator

[App page](https://appshunter.io/ios/app/noise-generator-full-spectrum/id1206450560)

Generate a variety of custom color noises, including brown, pink, white, blue, and violet. Fine-tune your audio experience with low and high cut filters. This app offers a simple interface that remembers your settings for quick, personalized sound generation.

**Highlights:** Generate brown, pink, white, blue, and violet noise, Low and high cut filters for customization, Simple interface remembers settings, Advanced mathematical formulas for audio generation, AirPlay support for external devices

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Spot on performance
- 👍 Customizable noise options
- 🚀 Wide range of frequency spectrum
- 👍 Convenient for sleeping and focus
- 👍 Helps with tinnitus and anxiety

**What reviewers complain about**

- 🐛 Crashes and stops working
- 🐛 Ads interfere with functionality
- 🔋 High battery drain
- 🐛 Unreliable, cuts out randomly
- 🐛 Detectable sound pattern loop

**Reported bugs**

- Scrolling issues on iPhone 13 Pro
- Beeping noise looping in background
- Stops playing when app is in background

**Requested features**

- Add green noise option
- Ability to save custom presets
- Include a sleep timer
- Landscape mode support
- Equalizer/smoother frequency controls


### Granula Synth

[App page](https://appshunter.io/ios/app/granula-synth/id1624549704)

Explore new soundscapes by manipulating granular audio. This app offers a library of presets, custom sound import, and extensive parameter adjustments for unique music creation. Save your settings and share your sonic experiments.

**Highlights:** Granular sound manipulation, Preset library, Custom sound import, Parameter adjustment, Save user settings, Share audio recordings

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Access to app features | $2.99 | per month |
| Access to app features | $7.49 | per 3 months |
| Access to app features | $8.99 | per 6 months |


## Frequently asked questions

### Is Noise Generator free?

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

### Is Granula Synth free?

Granula Synth is free to download, with in-app purchases available.

### Which has better reviews, Noise Generator or Granula Synth?

Noise Generator is rated higher. Noise Generator averages 4.7 out of 5 from 2K ratings, while Granula Synth averages 1.8 from 4 ratings.

### Do Noise Generator or Granula Synth have ads?

Noise Generator shows ads; Granula Synth does not.

### Which is updated more often, Noise Generator or Granula Synth?

Noise Generator ships an update fortnightly, and Granula Synth every 25 months. Most recently, Noise Generator was updated on November 5, 2026 and Granula Synth on November 3, 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.*