8weeks.ai Sync Hub vs Kokone
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
8weeks.ai Sync Hub
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8weeks.ai Sync Hubは、iPhoneやApple Watchに蓄積されたHealthKitデータを一元管理し、活用するためのヘルスデータハブアプリです。 日々の歩数、心拍数、睡眠、ワークアウトなど、HealthKitに記録されたさまざまな健康データを、わかりやすく整理・集計し、CSVファイルとして書き出すことができます。 ■ 主な機能 ・HealthKitデータの閲覧・集計 対応するHealthKitカテゴリのデータを自動で集計し、期間やデータ種別ごとに確認できます。 ・CSVエクスポート 集計したデータをCSVファイルとして出力できます。出力期間や単位の選択が可能で、BOM付きUTF-8形式に対応しているため、Excelでもそのまま開けます。標準のiOS共有シートからメールやクラウドストレージへ簡単に共有できます。 ・8weeks.aiとのデータ連携 ヘルスケアデータを8weeks.aiと連携できます。CSVエクスポートに加えて、連携先サービスでも健康データを活用できます。 ・クラウドバックアップ・復元 Apple IDまたはGoogleアカウントでサインインすることで、アプリの設定やローカルデータをクラウド(Firebase)に安全にバックアップできます。機種変更時もワンタップで復元が可能です。 ・かんたんセットアップ 初回起動時のオンボーディングで、HealthKitへのアクセス許可設定をわかりやすくガイドします。必要なデータカテゴリだけを選んで許可できます。 ■ こんな方におすすめ ・自分の健康データをCSVで管理・分析したい方 ・HealthKitのデータを外部サービスや表計算ソフトで活用したい方 ・健康データのバックアップを安全に取っておきたい方 ■ プライバシーとセキュリティ 8weeks.ai Sync Hubは、お客様の健康データを大切に扱います。HealthKitデータの読み取りはすべてユーザーの明示的な許可のもとで行われ、データはお使いのデバイス上でローカルに処理されます。バックアップ機能を利用する場合のみ、暗号化された状態でクラウドに保存されます。
Kokone
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Kokone is a journal you keep by talking. Tap the mic and say what happened today. Kokone turns your words into text, shows a breakdown of the emotions in what you said, and gives you a short coaching message along with one question to think about next. You don't need to write well, or write at all. One sentence is enough. WHAT YOU CAN DO • Voice journal: speak, and your words are turned into text • Photo journal: add a photo and say a few words about it • Handwriting: take a picture of a handwritten note and Kokone reads it • Emotion breakdown: see which emotions showed up in each entry • A question for next time: based on what you actually talked about • Mood over time: a chart for the past week, 30 days, or 90 days • Daily question: a notification at the time you choose, with a question that fits the time of day. No streaks, no pressure APPLE HEALTH If you turn it on in Settings, Kokone saves the mood you choose when recording to State of Mind in the Health app. The text of your entries and your photos are never written to Health, and Kokone does not read your Health data. Requires iOS 18 or later. PRIVACY • Your entries are stored only on your device. No account is required • For the emotion analysis, the text and any attached photo are sent to an AI service (Claude API by Anthropic) after you give consent. They are not used to train AI models • No ads, no tracking SUBSCRIPTION Kokone Premium is a monthly auto-renewing subscription with a 7-day free trial. Payment is charged to your Apple ID. It renews automatically unless canceled at least 24 hours before the end of the current period. You can manage or cancel it in your Apple ID settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://strobofactory.github.io/kokone/#english Kokone is a tool for self-reflection. It is not a medical service and does not diagnose or treat any condition.
Screenshots
Verdict
The clearest difference is device support: 8weeks.ai Sync Hub at 3 against Kokone's 1. 8weeks.ai Sync Hub also leads on iOS requirement (15.0 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
8weeks.ai Sync Hub ships an update every 2 weeks, Kokone weekly. The most recent releases landed on October 24, 2026 and October 6, 2026 respectively.
| Parameter | 8weeks.ai Sync Hub | Kokone |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 79 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | NEXTRAVELER INC. | Masahiro Iwamatsu |
In-app purchases
8weeks.ai Sync Hub
No in-app purchases
Kokone
No in-app purchases
Questions
Is 8weeks.ai Sync Hub free?
Is Kokone free?
Do 8weeks.ai Sync Hub or Kokone have ads?
Which is updated more often, 8weeks.ai Sync Hub or Kokone?
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