# ATMÓS vs Hydro Dots

The clearest difference is ads: ATMÓS at none against Hydro Dots's shown. ATMÓS also leads on iOS requirement (15.0 vs 26.0). Hydro Dots's advantage is update cadence (daily vs fortnightly). On price, in-app purchases and device support there is nothing between them.

Both are free to download. ATMÓS sells 1 one-off in-app purchase and Hydro Dots sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ATMÓS ships an update fortnightly, Hydro Dots daily. The most recent releases landed on October 10, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | ATMÓS | Hydro Dots |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (5 ratings)](https://appshunter.io/ios/app/atmos/id6761055879/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 25 MB | 43 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hiroya Tanaka](https://appshunter.io/developer/1887542375) | [Kengo Tate](https://appshunter.io/developer/1458012620) |

## What reviewers say

### ATMÓS

[App page](https://appshunter.io/ios/app/atmos/id6761055879)

Enhance sleep, focus, and relaxation with a personal ambient sound companion. Offers three modes: Sleep with a timer, Focus with binaural beats, and Weather with realistic nature sounds. Designed for distraction-free use.

**Highlights:** Sleep mode with auto-fade timer, Focus mode with binaural beats, Realistic weather soundscapes, High-quality ambient audio, Minimalist dark interface

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sleep Timer | $2.99 | one-time |


### Hydro Dots

[App page](https://appshunter.io/ios/app/hydro-dots/id6794577673)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| A drop | $0.99 | one-time |
| A glass | $2.99 | one-time |
| A bottle | $5.99 | one-time |
| Pro — Founding Member | $5.99 | one-time |


## Frequently asked questions

### Is ATMÓS free?

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

### Is Hydro Dots free?

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

### Do ATMÓS or Hydro Dots have ads?

Hydro Dots shows ads; ATMÓS does not.

### Which is updated more often, ATMÓS or Hydro Dots?

ATMÓS ships an update fortnightly, and Hydro Dots daily. Most recently, ATMÓS was updated on October 10, 2026 and Hydro Dots on October 11, 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.*