Plank Timer vs 腰ケアストレッチ
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Plank Timer
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Plank Timer is a dedicated app designed specifically to help you stick with planks. No login required—start your plank immediately. It's a simple training timer focused on features that keep you going. ■ Recommended for people who: ・Want to make planks a habit (do them daily) ・Want to track “Did I do it today?” and “How many seconds?” to beat their personal best ・Want their plank duration counted automatically ・Want to do strength training/core workouts efficiently in short time ・Prefer a simple app ・Want to strengthen your core for weight loss ■Main Features This app supports your motivation and habit formation with four simple features! ◯Plank Timer (Countdown) Set your target seconds and plank! ◯Stopwatch (Countup) Challenge yourself to see how many seconds you can plank! Aim for your personal best ◯ Motivation Boost with Record & History Management Track your progress with a plank history calendar, streak records, longest sessions, and cumulative plank time. ◯ Reminder Notifications to Support Continuity Get daily push notifications at your chosen time. ■ Contact Us For feature requests or bug reports, please contact us via the form below. https://forms.gle/t6fKosEPXR9Vctof8
腰ケアストレッチ
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「腰ケアストレッチ」は、腰痛に悩むすべての方のためのストレッチ辞典アプリです。 【部位別ストレッチ】 腰の上部・下部・側面など、痛みの部位に合わせたストレッチを収録。ピンポイントで気になる箇所をケアできます。 【レベル別メニュー】 初級・中級・上級の3段階で、自分の体力や柔軟性に合ったストレッチを選べます。無理なく続けられるので、初心者の方も安心です。 【図解付きガイド】 各ストレッチは分かりやすい図解付き。正しいフォームを確認しながら実践できます。 【日々の記録】 ストレッチの実施記録を残して、継続のモチベーションを維持。毎日のケア習慣を見える化します。 デスクワークや長時間の運転で腰に負担を感じている方、朝起きたときに腰が重い方、腰痛予防に取り組みたい方に最適なアプリです。
Screenshots
Verdict
The clearest difference is update cadence: Plank Timer at every 2 days against 腰ケアストレッチ's every 10 days. Plank Timer also leads on iOS requirement (13.0 vs 17.0). 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. Neither carries in-app purchases, so what you see is what you pay.
Plank Timer ships an update every 2 days, 腰ケアストレッチ every 10 days. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.
| Parameter | Plank Timer | 腰ケアストレッチ |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 days — better | Every 10 days |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 24 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Yoshiaki Kawano | SANWA Inc. |
In-app purchases
Plank Timer
No in-app purchases
腰ケアストレッチ
No in-app purchases









