# IBUKI vs Restore Sleep

The clearest difference is update cadence: Restore Sleep at every 4 weeks against IBUKI's every 3 months. IBUKI's advantage is iOS requirement (10.0 vs 15.6). On price, ads, in-app purchases and monetization model there is nothing between them.

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

IBUKI ships an update every 3 months, Restore Sleep every 4 weeks. The most recent releases landed on October 7, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | IBUKI | Restore Sleep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (6 ratings)](https://appshunter.io/ios/app/restore-sleep/id6444783972/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 weeks** |
| Monetization | Free | Free |
| Size | 18 MB | 101 MB |
| Requires iOS | **10.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 12+ |
| Developer | [株式会社リキッド・デザイン・システムズ](https://appshunter.io/developer/1259085426) | [FIR Momentum, Inc.](https://appshunter.io/developer/1791805128) |

## What reviewers say

### IBUKI

[App page](https://appshunter.io/ios/app/ibuki/id1259085427)

This app monitors your estimated respiration rate during sleep using a dedicated body motion sensor. It records data for up to 1000 days and can alert you to potential vital abnormalities. Data syncs with the iPhone Health app.

**Highlights:** Sleep respiration monitoring, Body movement tracking, Vital abnormality alerts, 1000-day data recording, Apple Health integration, Bluetooth sensor connection

**In-app purchases:** none


### Restore Sleep

[App page](https://appshunter.io/ios/app/restore-sleep/id6444783972)

This app offers clinical diagnosis and treatment for sleep disorders like insomnia and sleep apnea from home. It also measures snoring severity for non-clinical users and provides detailed sleep quality analysis with a wearable device for enrolled patients.

**Highlights:** Clinical diagnosis for sleep disorders, Home-based treatment options, Snoring severity measurement, Sleep quality analysis, Pulse rate and blood oxygen tracking, Sleep stage duration monitoring

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is IBUKI free?

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

### Is Restore Sleep free?

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

### Do IBUKI or Restore Sleep have ads?

Neither IBUKI nor Restore Sleep shows ads.

### Which is updated more often, IBUKI or Restore Sleep?

IBUKI ships an update every 3 months, and Restore Sleep every 4 weeks. Most recently, IBUKI was updated on October 7, 2026 and Restore Sleep on October 13, 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.*