# Re.Ra.Ku Group vs SleepDive

The clearest difference is update cadence: SleepDive at fortnightly against Re.Ra.Ku Group's every 6 weeks. Re.Ra.Ku Group's advantage is iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Re.Ra.Ku Group ships an update every 6 weeks, SleepDive fortnightly. The most recent releases landed on October 30, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Re.Ra.Ku Group | SleepDive |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Monetization | Free | — |
| Size | 34 MB | 106 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [株式会社EPARKリラク&エステ](https://appshunter.io/developer/1096509136) | [SANWA Inc.](https://appshunter.io/developer/1878028373) |

## What reviewers say

### Re.Ra.Ku Group

[App page](https://appshunter.io/ios/app/reraku-group/id1604692153)

This official app allows users to easily check availability and book appointments at relaxation studios. It features a digital membership card, balance checks for payment cards, and exclusive deals and coupons for app users.

**Highlights:** Check availability and book appointments, Search and find group stores, Digital membership and payment card display, View来店スタンプ and リラクカード balance, Access app-exclusive coupons and deals, Receive campaign information via push notifications

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

**In-app purchases:** none


### SleepDive

[App page](https://appshunter.io/ios/app/sleepdive/id6760565810)

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

**In-app purchases:** none


## Frequently asked questions

### Is Re.Ra.Ku Group free?

Re.Ra.Ku Group is free to download, with no in-app purchases.

### Is SleepDive free?

SleepDive is free to download, with no in-app purchases.

### Do Re.Ra.Ku Group or SleepDive have ads?

Neither Re.Ra.Ku Group nor SleepDive shows ads.

### Which is updated more often, Re.Ra.Ku Group or SleepDive?

Re.Ra.Ku Group ships an update every 6 weeks, and SleepDive fortnightly. Most recently, Re.Ra.Ku Group was updated on October 30, 2026 and SleepDive on October 16, 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.*