# Mary's App — Smooth Sounds

> Smooth Sounds (iPhone/iPad app by Richard Silverman.)

- Source: https://appshunter.io/ios/app/marys-app/id6747730598 (this page in markdown: same URL + `.md`)
- Developer: [Richard Silverman](https://appshunter.io/developer/297096643)
- Category: Health & Fitness, Lifestyle
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 16.6 · 289 MB
- Languages: American English
- Released: 2025-09-22
- Data updated: 2026-08-26
- User reviews in markdown: https://appshunter.io/ios/app/marys-app/id6747730598/reviews.md

## What is Mary's App?

Relax to soothing sounds and beautiful art
> 10 Hours of continuous play (with inexpensive one-time upgrade)
> Plays in background
> iPhone™, iPad™ Portrait and Landscape Support
> Manage audio playback with Play, Pause, Stop, and Volume controls.
> Send sounds to remote devices with Apple AirPlay™ 
> Free over-the-air updates as our library expands.

===========================
IN-APP PURCHASE:
. The free download of Mary's App limits play time to 3 minutss
. Upgrade for 10 hours of play time and to remove ads.

IN-APP PURCHASE DETAILS
. Payment will be charged to your iTunes account at confirmation of purchase.

TERMS AND CONDITIONS
Your use of this application is governed by Interlocken Technology's Terms of Use (http://s354819480.onlinehome.us/InterlockenPrivacyPolicy/Interlocken%20Technology%20Privacy%20Policy.pdf) and Privacy Policy (http://s354819480.onlinehome.us/InterlockenPrivacyPolicy/InterlockenTechnologyTermsOfUse.pdf)

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| One Time Purchase | $0.99 | one-time |



## Version history (last 1 release)

### 1.02.01 — 2025-09-23

No release notes.

## Apps similar to Mary's App

| App | Rating | Price | Category |
| --- | --- | --- | --- |
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| [Bezzy Depression](https://appshunter.io/ios/app/bezzy-depression/id1612081875) | 4.4 (35) | Free | Health & Fitness |
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| [myNoise: Focus · Relax · Sleep](https://appshunter.io/ios/app/mynoise-focus-relax-sleep/id1523675125) | 4.7 (1,004) | Free | Health & Fitness |
| [Oneleaf: Health & Relaxation](https://appshunter.io/ios/app/oneleaf-health-and-relaxation/id1640028540) | 4.6 (1,199) | Free | Health & Fitness |

## More apps by Richard Silverman

- [Calc For Coders](https://appshunter.io/ios/app/calc-for-coders/id297096640)
- [Calc For Coders Lite](https://appshunter.io/ios/app/calc-for-coders-lite/id306579427)
- [Paper Calc Office](https://appshunter.io/ios/app/paper-calc-office/id328576488)
- [Paper Calc Office Lite](https://appshunter.io/ios/app/paper-calc-office-lite/id347713516)
- [Accountant Calculator](https://appshunter.io/ios/app/accountant-calculator/id374945395)
- [Adding Machine 10Key iPhone](https://appshunter.io/ios/app/adding-machine-10key-iphone/id392883834)

All apps by Richard Silverman: https://appshunter.io/developer/297096643

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-26.*