# A Soft Murmur vs DuDok

The clearest difference is in-app purchases: DuDok at none against A Soft Murmur's 7. DuDok also leads on update cadence (every 3 months vs every 39 months). A Soft Murmur's advantage is iOS requirement (13.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. A Soft Murmur sells 7 one-off in-app purchases. DuDok asks for nothing beyond the download.

A Soft Murmur ships an update every 39 months, DuDok every 3 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | A Soft Murmur | DuDok |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (254 ratings)](https://appshunter.io/ios/app/a-soft-murmur/id1175522255/reviews)** | — |
| Number of ratings | **254** | — |
| Positive reviews | 76.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 39 months | **Every 3 months** |
| Monetization | Free with in-app purchases | — |
| Size | 145 MB | 50 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Sleepy Rabbit LLC](https://appshunter.io/developer/1450873363) | [DuDok SH.P.K](https://appshunter.io/developer/1834990188) |

## What reviewers say

### A Soft Murmur

[App page](https://appshunter.io/ios/app/a-soft-murmur/id1175522255)

Craft your ideal soundscape for sleep, relaxation, study, or work. Mix ambient sounds, play them offline, and save your favorite combinations. Enjoy seamless, uninterrupted audio that helps you focus or drift off peacefully.

**Highlights:** Customizable sound mixes, Offline playback, Background audio support, Adjustable timer and fade-out, Save and share favorite mixes, Seamless, uninterrupted audio

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock water sounds 1 | $1.99 | one-time |
| Unlock animal sounds 1 | $1.99 | one-time |
| Unlock musical sounds 1 | $1.99 | one-time |
| Unlock rain sounds 1 | $2.99 | one-time |
| Unlock synthesized sounds 1 | $2.99 | one-time |
| Unlock all default sounds | $3.99 | one-time |
| Unlock mechanical sounds 1 | $3.99 | one-time |

**What reviewers like**

- 🌳 Relaxing ambient sounds
- 🕰 Useful timer feature
- 🎨 Ability to customize sound mixes
- 🔊 High-quality audio
- 💤 Helps with sleep and focus

**What reviewers complain about**

- 🔒 Many sounds locked behind paywall
- 🔁 Issues with sound resetting on app close
- 🔋 Battery drain reported
- 🐛 Bugs with timer and sound playback

**Reported bugs**

- Timer stops working after app updates
- Purchased sounds disappear after restoring from backup
- Sounds fade in and out randomly

**Requested features**

- More free sound options
- Separate volume controls for each sound
- Dark mode
- Green noise sound
- Additional nature sounds like water streams


### DuDok

[App page](https://appshunter.io/ios/app/dudok/id6751423379)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is A Soft Murmur free?

A Soft Murmur is free to download, with in-app purchases available.

### Is DuDok free?

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

### Do A Soft Murmur or DuDok have ads?

Neither A Soft Murmur nor DuDok shows ads.

### Which is updated more often, A Soft Murmur or DuDok?

A Soft Murmur ships an update every 39 months, and DuDok every 3 months. Most recently, A Soft Murmur was updated on October 24, 2026 and DuDok on October 25, 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.*