# Shift Robotics vs Noise

The clearest difference is in-app purchases: Shift Robotics at none against Noise's 3. Shift Robotics also leads on ads (none vs shown) and review sentiment (100% vs 80%). Noise's advantage is ratings volume (248 vs 35). On price, rating, device support and iOS requirement there is nothing between them.

Both are free to download. Noise sells 3 in-app purchases, starting at $5.99 per month. Shift Robotics asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for Shift Robotics against 4.7 for Noise. That said, the two scores are not equally well evidenced: Noise has 248 ratings behind it against 35, so its average is the more settled of the two. Written reviews are what separate them: 100% of Shift Robotics's written reviews are positive against 80% of Noise's.

Shift Robotics ships an update every 6 days, Noise every 3 weeks. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Shift Robotics | Noise |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (35 ratings)](https://appshunter.io/ios/app/shift-robotics/id6451123343/reviews) | **[4.7 (248 ratings)](https://appshunter.io/ios/app/noise-green-brown-white/id6474789616/reviews)** |
| Number of ratings | 35 | **248** |
| Positive reviews | **100.0% of reviews** | 80.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 6 days** | Every 3 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 152 MB | 4 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shift Robotics, Inc.](https://appshunter.io/developer/1580592973) | [Janusz Jankowski](https://appshunter.io/developer/789966888) |

## What reviewers say

### Shift Robotics

[App page](https://appshunter.io/ios/app/shift-robotics/id6451123343)

Experience enhanced mobility with AI-powered footwear that lets you accelerate to running speeds with the ease of walking. Stay connected to your surroundings while enjoying faster, more dynamic journeys.

**Highlights:** AI-enhanced mobility, Accelerate to running speed, Ease of walking, Connected to surroundings, Dynamic journeys

**Features:** Vision Pro support

**In-app purchases:** none


### Noise

[App page](https://appshunter.io/ios/app/noise-green-brown-white/id6474789616)

This app generates various colors and types of noise in real-time to aid sleep, relaxation, and focus. Experiment with different sounds like brown, pink, or white noise to find what works best for you. Features include mixing sounds, a shutdown timer, and convenient controls.

**Highlights:** Real-time noise generation, Multiple noise colors (purple, blue, white, pink, brown, green, grey), Ability to mix noise sounds, Natural or uniform noise sources, Simple user interface, Shutdown timer, Notification controls

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium 1 Month | $5.99 | per month |
| Permium 1 Year | $29.99 | per year |
| Premium | $79.99 | one-time |


## Frequently asked questions

### Is Shift Robotics free?

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

### Is Noise free?

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

### Which has better reviews, Shift Robotics or Noise?

Noise is rated higher. Shift Robotics averages 4.7 out of 5 from 35 ratings, while Noise averages 4.7 from 248 ratings.

### Do Shift Robotics or Noise have ads?

Noise shows ads; Shift Robotics does not.

### Which is updated more often, Shift Robotics or Noise?

Shift Robotics ships an update every 6 days, and Noise every 3 weeks. Most recently, Shift Robotics was updated on November 3, 2026 and Noise on November 8, 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.*