# Noise Machine° vs DoseCalendar

The clearest difference is in-app purchases: Noise Machine° at none against DoseCalendar's 2. Noise Machine° also leads on ads (none vs shown). DoseCalendar's advantage is update cadence (weekly vs monthly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. DoseCalendar sells 2 in-app purchases, starting at $4.99 per month. Noise Machine° asks for nothing beyond the download.

Noise Machine° ships an update monthly, DoseCalendar weekly. The most recent releases landed on October 14, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Noise Machine° | DoseCalendar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/noise-machine/id6757855464/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Weekly** |
| Monetization | Free | — |
| Size | 5 MB | 44 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [KARLIE ALEXIS KOWALSKA](https://appshunter.io/developer/6806982191) | [Tony AI](https://appshunter.io/developer/1771887878) |

## What reviewers say

### Noise Machine°

[App page](https://appshunter.io/ios/app/noise-machine/id6757855464)

This app generates unique, continuous audio to help you sleep better, focus more, and relax. It offers various sound types like brown, green, white, pink, and fan noise, all procedurally generated to avoid repetitive loops. Enjoy offline playback and a sleep timer for a seamless experience.

**Highlights:** Procedurally generated infinite audio, Multiple noise types (brown, green, white, pink, fan), Sleep timer with fade out, Offline mode, Background playback, Customizable sound controls

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

**In-app purchases:** none


### DoseCalendar

[App page](https://appshunter.io/ios/app/dosecalendar/id6789894620)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DoseCalendar Plus Monthly | $4.99 | per month |
| DoseCalendar Plus Annual | $29.99 | per year |


## Frequently asked questions

### Is Noise Machine° free?

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

### Is DoseCalendar free?

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

### Do Noise Machine° or DoseCalendar have ads?

DoseCalendar shows ads; Noise Machine° does not.

### Which is updated more often, Noise Machine° or DoseCalendar?

Noise Machine° ships an update monthly, and DoseCalendar weekly. Most recently, Noise Machine° was updated on October 14, 2026 and DoseCalendar on October 6, 2026.

---

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