Comparison

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.

Head to head
About

Plank Timer

Features
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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

About

腰ケアストレッチ

Features
Read full description

「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

Plank Timer4 screens
腰ケアストレッチ4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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.

Scorecard2 real differences · 4 level
Plank Timer versus 腰ケアストレッチ: the parameters behind the verdict, then further details
ParameterPlank Timer腰ケアストレッチ
PriceFreeFree
Update frequencyEvery 2 days — betterEvery 10 days
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better17.0
Further details — not scored
Size24 MB6 MB
Age rating4+4+
DeveloperYoshiaki KawanoSANWA Inc.

In-app purchases

None

Plank Timer

No in-app purchases

None

腰ケアストレッチ

No in-app purchases

Questions

Is Plank Timer free?
Plank Timer is free to download, with no in-app purchases.
Is 腰ケアストレッチ free?
腰ケアストレッチ is free to download, with no in-app purchases.
Do Plank Timer or 腰ケアストレッチ have ads?
Neither Plank Timer nor 腰ケアストレッチ shows ads.
Which is updated more often, Plank Timer or 腰ケアストレッチ?
Plank Timer ships an update every 2 days, and 腰ケアストレッチ every 10 days. Most recently, Plank Timer was updated on October 14, 2026 and 腰ケアストレッチ on October 7, 2026.

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