# Sleep Center Pro vs インターバルタイマーforトレーニング2 Pro

The clearest difference is price: インターバルタイマーforトレーニング2 Pro at $3.99 against Sleep Center Pro's $47.99. インターバルタイマーforトレーニング2 Pro also leads on in-app purchases (none vs 1) and iOS requirement (11.0 vs 15.0). Sleep Center Pro's advantage is ads (none vs shown). On update cadence and device support there is nothing between them.

Sleep Center Pro costs $47.99 and インターバルタイマーforトレーニング2 Pro $3.99 up front. Sleep Center Pro sells 1 one-off in-app purchase. インターバルタイマーforトレーニング2 Pro asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. Both last shipped on October 29, 2026.

## The numbers

| Metric | Sleep Center Pro | インターバルタイマーforトレーニング2 Pro |
| --- | --- | --- |
| Price | $47.99 | **$3.99** |
| Rating | **[4.2 (42 ratings)](https://appshunter.io/ios/app/sleep-center-pro/id1140153930/reviews)** | — |
| Number of ratings | **42** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 79 MB | 29 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Apirox, s.r.o.](https://appshunter.io/developer/490081296) | [Yudai Fukuda](https://appshunter.io/developer/1434814836) |

## What reviewers say

### Sleep Center Pro

[App page](https://appshunter.io/ios/app/sleep-center-pro/id1140153930)

This comprehensive sleep app helps you understand and improve your sleep. It features a recorder to track snoring and noise, a smart alarm to wake you gently, a tool to help stop snoring, and a library of relaxing sounds to aid sleep.

**Highlights:** Snoring and noise recording, Smart alarm for gentle wake-ups, Snoring detection and stopping, Relaxing sleep sounds library, Sleep cycle analysis and statistics, Apple Health integration

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Themes | $0.99 | one-time |


### インターバルタイマーforトレーニング2 Pro

[App page](https://appshunter.io/ios/app/for2-pro/id1449228185)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sleep Center Pro free?

Sleep Center Pro costs $47.99, and also offers in-app purchases.

### Is インターバルタイマーforトレーニング2 Pro free?

インターバルタイマーforトレーニング2 Pro costs $3.99, with no in-app purchases.

### Do Sleep Center Pro or インターバルタイマーforトレーニング2 Pro have ads?

インターバルタイマーforトレーニング2 Pro shows ads; Sleep Center Pro does not.

### Which is updated more often, Sleep Center Pro or インターバルタイマーforトレーニング2 Pro?

Sleep Center Pro ships an update every 2 months, and インターバルタイマーforトレーニング2 Pro every 2 months. Most recently, Sleep Center Pro was updated on October 29, 2026 and インターバルタイマーforトレーニング2 Pro on October 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.*