Plumb vs HIIT Note
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Plumb
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Sit tall, without thinking about it. Plumb is a calm, private posture-awareness companion. It learns the comfortable "tall" you set for yourself, gently notices when your head drifts forward, and nudges you to ease back — at your desk, or hands-free through your AirPods. A prompt to notice, not a verdict. Plumb learns your neutral, not a textbook ideal — and the fastest way to lose your trust would be to overclaim, so it stays plain-spoken about what it can and can't do. TWO WAYS TO USE IT Hands-free with AirPods — the everyday mode. Plumb reads your head position from compatible AirPods or Beats, so your phone can stay pocketed or locked. A soft tone cues you the moment you drift past your own threshold, and goes quiet the instant you ease back. Camera at your desk — the screen-attended alternative. The front TrueDepth camera reads your head position at desk distance — and your shoulders when they're in view. Frames are processed in the moment and immediately discarded — never previewed, saved, or uploaded. It can't see your lower back, and we won't pretend otherwise. CALM BY DESIGN • A gentle nudge — a soft tone, a tap, or both. It gets slightly more insistent on a long slump, and stops the moment you ease back. • Breathing and small shifts inside your neutral zone never count. • A "held tall" timer tracks your time in a comfortable position. • A stylised living figure reflects how you're holding your head — no camera image or video is ever stored or shown back. • Insights answers one honest question: am I improving? A clear average, an honest change once there's enough history, and quiet days left as blank space, never guessed. • Learn — six short, evidence-anchored reads on why noticing your posture matters, each with its limits stated plainly. YOUR POSTURE NEVER LEAVES YOUR PHONE • Everything is analysed on your device. There are no Plumb servers and no backend — there's nothing to send. • No account, ever. No sign-up, no email, no login. • No ads, no trackers, no analytics, no third-party SDKs. • iCloud sync is off by default and opt-in; it goes only to your own private iCloud. • Apple Health is write-only — Plumb can log a Mindful Minutes session and never reads your health data. SIMPLE, TIME-METERED PRICING Time is the only free meter — no feature walls. Free, forever: one check-in a day across both modes, up to five minutes, with the full nudge experience, the pain log, your two-week Insights window, and the whole Learn library. Plumb+ unlocks unlimited check-ins at any length, the hands-free Live Activity on your Lock Screen and Dynamic Island, Month and Year Insights, and CSV / PDF export. Plumb+ comes three ways: Weekly, Annual (with a 7-day free trial), or a one-time Lifetime unlock. You'll always see the exact price for your region on the subscription screen before anything is charged. Subscriptions are billed through your Apple Account; cancel anytime in App Store → Subscriptions. Trial eligibility is decided by Apple. Made with care, and localised into nine languages. Plumb is a wellness and posture-awareness tool, not a medical device. It does not diagnose, treat, cure, or prevent any condition. If you have a health concern, please speak to a qualified professional. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
HIIT Note
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20秒動いて、10秒休む。 HIIT Noteなら、アプリを開いてすぐにタバタ式HIITを始められます。大きく見やすいタイマーと音声案内で、運動中に何度も画面を確認する必要はありません。 体重、週間HIIT目標、ジョギングや筋力トレーニングなどの運動記録も、ひとつのアプリですっきり管理できます。食事や筋トレの細かな数値まで入力せず、必要な記録だけを無理なく続けたい方に向けたアプリです。 無料で使える機能 ・ワンタップで始められるHIITタイマー ・ワーク、レスト、回数、準備時間の調整 ・大きく見やすいワーク/レスト表示 ・音と音声によるタイミング案内 ・体重と目標体重の記録 ・週間HIIT目標と今週の進捗 ・ジョギング、筋力トレーニング、ウォーキングなどの運動記録 ・7日/1か月の体重グラフ ・広告なし HIIT Note Premium ・種目、時間、セットを組み合わせたMy HIITの保存 ・よく行う運動をすばやく記録するMy Workout ・すべての運動履歴 ・長期的な体重と運動の進捗 基本のHIITタイマー、体重記録、週間目標、手入力の運動記録は、Premiumに登録しなくても利用できます。 毎日完璧に続けなくても大丈夫です。HIIT Noteは、運動を再開したい日に自然に戻れる、静かで使いやすい記録環境を目指しています。 本アプリは医療機器ではなく、診断、治療、医学的助言を提供するものではありません。体調に不安がある場合は、運動を始める前に医療専門家へご相談ください。 利用規約(Apple標準使用許諾契約): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is update cadence: Plumb at every 10 days against HIIT Note's every 2 months. On price, ads, in-app purchases and device support 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. Plumb sells 3 in-app purchases, starting at $3.99 per 7 days and HIIT Note sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.
Plumb ships an update every 10 days, HIIT Note every 2 months. The most recent releases landed on November 10, 2026 and October 31, 2026 respectively.
| Parameter | Plumb | HIIT Note |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 10 days — better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone | iPhone |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 7 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | MOHAMMAD ALJARAD | Hiroki Okazaki |
In-app purchases
Plumb
- Plumb+ Weekly$3.997 Days
- Plumb+ Annual7 Days trial$39.991 Year
- Plumb+ Lifetime$49.99
HIIT Note
- HIIT Note Premium Monthly7 Days trial$0.991 Month
- HIIT Note Premium Yearly$11.991 Year









