# SleepLoop vs Interval Timer MAX

The clearest difference is in-app purchases: Interval Timer MAX at none against SleepLoop's 3. Interval Timer MAX also leads on review sentiment (100% vs 75%). SleepLoop's advantage is update cadence (every 10 days vs every 6 months) and ratings volume (13 vs 1). On price, rating, ads and device support there is nothing between them.

Both are free to download. SleepLoop sells 3 in-app purchases, starting at $1.99 per month. Interval Timer MAX asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for SleepLoop against 5.0 for Interval Timer MAX. That said, the two scores are not equally well evidenced: SleepLoop has 13 ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 75% of SleepLoop's written reviews are positive against 100% of Interval Timer MAX's.

SleepLoop ships an update every 10 days, Interval Timer MAX every 6 months. The most recent releases landed on October 8, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | SleepLoop | Interval Timer MAX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (13 ratings)](https://appshunter.io/ios/app/sleeploop-brown-noise-rain/id6753655756/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/interval-timer-max/id6753690002/reviews) |
| Number of ratings | **13** | 1 |
| Positive reviews | 75.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 6 months |
| Monetization | Freemium | **Free** |
| Size | 13 MB | 16 MB |
| Requires iOS | **17.6** | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [WD Studio](https://appshunter.io/developer/1842547806) | [ThaiGenius LLC](https://appshunter.io/developer/1806032667) |

## What reviewers say

### SleepLoop

[App page](https://appshunter.io/ios/app/sleeploop-brown-noise-rain/id6753655756)

This app offers a variety of ambient sounds, including brown, pink, green, and white noise, along with over 100 nature sounds like rain and ocean waves. It aims to improve sleep, focus, and anxiety relief through its minimalist design and seamless background playback.

**Highlights:** Brown, pink, green, white noise, 100+ nature and rain sounds, Minimalist vinyl record interface, Seamless background playback, Ad-free experience, Focus and anxiety relief

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly $1.99 | $1.99 | per month |
| Premium Annual $19.99 | $8.99 | per year |
| SleepLoop Premium Lifetime | $39.99 | one-time |


### Interval Timer MAX

[App page](https://appshunter.io/ios/app/interval-timer-max/id6753690002)

This app provides a customizable interval timer for various activities like workouts and meditation. It offers a selection of high-quality sounds to enhance your experience.

**Highlights:** Customizable interval timer, Workout timer, Meditation timer, High-quality sound selection, Simple interface

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

**In-app purchases:** none


## Frequently asked questions

### Is SleepLoop free?

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

### Is Interval Timer MAX free?

Interval Timer MAX is free to download, with no in-app purchases.

### Which has better reviews, SleepLoop or Interval Timer MAX?

SleepLoop and Interval Timer MAX are both rated 5.0 out of 5 on the App Store, from 13 and 1 ratings respectively.

### Do SleepLoop or Interval Timer MAX have ads?

Neither SleepLoop nor Interval Timer MAX shows ads.

### Which is updated more often, SleepLoop or Interval Timer MAX?

SleepLoop ships an update every 10 days, and Interval Timer MAX every 6 months. Most recently, SleepLoop was updated on October 8, 2026 and Interval Timer MAX on September 29, 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.*