# Sleep Nature Sounds vs Interval Timer

The clearest difference is iOS requirement: Sleep Nature Sounds at 15.0 against Interval Timer's 17.6. On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Sleep Nature Sounds sells 4 in-app purchases, starting at $1.99 per month and Interval Timer sells 5 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.8 for Sleep Nature Sounds against 4.7 for Interval Timer. Both are backed by a comparable volume of ratings — 4 and 3 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Sleep Nature Sounds ships an update fortnightly, Interval Timer every 9 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Sleep Nature Sounds | Interval Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (4 ratings)](https://appshunter.io/ios/app/sleep-nature-sounds/id6742779548/reviews)** | [4.7 (3 ratings)](https://appshunter.io/ios/app/interval-timer-hiit-tabata/id6755321377/reviews) |
| Number of ratings | **4** | 3 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 9 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 113 MB | 59 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [ViPrak Web Solutions](https://appshunter.io/developer/426374340) | [AVA Consult](https://appshunter.io/developer/1732636284) |

## What reviewers say

### Sleep Nature Sounds

[App page](https://appshunter.io/ios/app/sleep-nature-sounds/id6742779548)

This app offers a variety of soothing sounds and music to aid sleep, relaxation, meditation, and focus. Create custom sound mixes and use the sleep timer for an uninterrupted experience. Enjoy offline listening for peace anytime, anywhere.

**Highlights:** Customizable sound mixes, Sleep timer, Offline listening, Nature sounds library, White noise for focus, Meditation music

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Plan | $1.99 | per month |
| Special Pro Plan | $9.99 | per year |
| 1 year plan | $12.99 | per year |
| Life time premium access | $39.99 | one-time |


### Interval Timer

[App page](https://appshunter.io/ios/app/interval-timer-hiit-tabata/id6755321377)

This app provides a highly customizable interval timer for various workout types, including HIIT, Tabata, and circuit training. It offers clear audio cues, background operation, and workout history tracking to help users structure their exercise sessions effectively.

**Highlights:** Customizable interval timers, Full-screen color-coded display, Audio cues and alerts, Background operation, Workout history and statistics, Pre-set templates for routines

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Access - Monthly | $1.99 | per month |
| Pro Access - Monthly | $1.99 | per month |
| Pro Access - Yearly | $9.99 | per year |
| Pro Access - Yearly | $9.99 | per year |
| Pro Access - Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is Sleep Nature Sounds free?

Sleep Nature Sounds is free to download, with in-app purchases available.

### Is Interval Timer free?

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

### Which has better reviews, Sleep Nature Sounds or Interval Timer?

Sleep Nature Sounds is rated higher. Sleep Nature Sounds averages 4.8 out of 5 from 4 ratings, while Interval Timer averages 4.7 from 3 ratings.

### Do Sleep Nature Sounds or Interval Timer have ads?

Neither Sleep Nature Sounds nor Interval Timer shows ads.

### Which is updated more often, Sleep Nature Sounds or Interval Timer?

Sleep Nature Sounds ships an update fortnightly, and Interval Timer every 9 days. Most recently, Sleep Nature Sounds was updated on October 25, 2026 and Interval Timer on October 24, 2026.

---

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