# IntervalTimer(x) vs White Noise & Sound Machine

The clearest difference is in-app purchases: IntervalTimer(x) at none against White Noise & Sound Machine's 4. IntervalTimer(x) also leads on rating (5.0 vs 4.7). White Noise & Sound Machine's advantage is ratings volume (11 vs 1) and update cadence (every 8 days vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. White Noise & Sound Machine sells 4 in-app purchases, starting at $2.99 per 7 days. IntervalTimer(x) asks for nothing beyond the download.

IntervalTimer(x) holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: White Noise & Sound Machine has 11 ratings behind it against 1, so its average is the more settled of the two.

IntervalTimer(x) ships an update every 3 weeks, White Noise & Sound Machine every 8 days. The most recent releases landed on October 21, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | IntervalTimer(x) | White Noise & Sound Machine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/intervaltimerx/id6745199760/reviews)** | [4.7 (11 ratings)](https://appshunter.io/ios/app/white-noise-and-sound-machine/id6763748844/reviews) |
| Number of ratings | 1 | **11** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 8 days** |
| Monetization | **Free** | Freemium |
| Size | 9 MB | 107 MB |
| Requires iOS | 18.1 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ShapeHaven Innovations LLC](https://appshunter.io/developer/1747127977) | [ZENBYTE DIJITAL TEKNOLOJILER LIMITED SIRKETI](https://appshunter.io/developer/1751368688) |

## What reviewers say

### IntervalTimer(x)

[App page](https://appshunter.io/ios/app/intervaltimerx/id6745199760)

This app provides a customizable interval timer for workouts, focus sessions, and breaks. It offers audio cues, visual progress, and tracks workout history locally. Optional body metrics can be entered for calorie estimates, all stored securely on your device.

**Highlights:** Customizable work/rest/sets intervals, Audio cues for transitions, Workout history log, Local calorie estimates, Offline functionality, Siri Shortcuts integration

**Features:** macOS Compatibility

**In-app purchases:** none


### White Noise & Sound Machine

[App page](https://appshunter.io/ios/app/white-noise-and-sound-machine/id6763748844)

Drift into deep sleep with a variety of calming soundscapes and intelligent audio mixing. Block distractions, reduce stress, and wake up refreshed. Create custom sound environments and use the smart timer for a seamless sleep experience.

**Highlights:** Calming soundscapes, Custom sound mixing, Intelligent audio mixing, Smart sleep timer, Noise blocking, Ad-free experience (premium)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $2.99 | per 7 days |
| Premium Monthly | $5.99 | per month |
| Premium Yearly | $19.99 | per year |
| Premium Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is IntervalTimer(x) free?

IntervalTimer(x) is free to download, with no in-app purchases.

### Is White Noise & Sound Machine free?

White Noise & Sound Machine is free to download, with in-app purchases available.

### Which has better reviews, IntervalTimer(x) or White Noise & Sound Machine?

IntervalTimer(x) is rated higher. IntervalTimer(x) averages 5.0 out of 5 from 1 ratings, while White Noise & Sound Machine averages 4.7 from 11 ratings.

### Do IntervalTimer(x) or White Noise & Sound Machine have ads?

Neither IntervalTimer(x) nor White Noise & Sound Machine shows ads.

### Which is updated more often, IntervalTimer(x) or White Noise & Sound Machine?

IntervalTimer(x) ships an update every 3 weeks, and White Noise & Sound Machine every 8 days. Most recently, IntervalTimer(x) was updated on October 21, 2026 and White Noise & Sound Machine 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.*