Plank Timer vs ZenTimer
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
ZenTimer
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Taking a moment to close your eyes in the midst of a busy day. Meditation provides a valuable space to clear an information-overloaded mind and regain inner peace. ZenTimer is an incredibly simple meditation app designed to seamlessly integrate that quiet time into your daily life. Start by setting a target time, but there is no pressure to strictly stick to it. Finish early if you are satisfied, or keep going if it feels right. Meditating in pure silence is meaningful enough on its own. However, on days when it feels "too noisy in your head," try turning on the ambient sound. We provide a unique meditation soundscape centered on the 528Hz Solfeggio frequency, fusing singing bowl harmonics, ambient drones, and the breath of nature. Blending scientifically-guided Theta wave induction with traditional harmonic therapy, it is more than just background music—it is a "space" to align your consciousness. Distractions fade away with the sound’s fade-in, and a pleasant silence settles into your body with the fade-out. ■ Sound Features ・528Hz Solfeggio Frequency (including harmonic series) ・Tibetan Bowl Harmonics (1 / 2.756 / 5.404 ratio) ・Space Ambient Pad (Am harmonic chord structure) ・Binaural Beats θ wave 6Hz (when using headphones) ・Brown Noise ambient style Find your calm, starting from just one minute a day. Change the quality of your day with quiet time spent simply counting.
Screenshots
Verdict
The clearest difference is iOS requirement: Plank Timer at 13.0 against ZenTimer's 26.2. 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.
| Parameter | Plank Timer | ZenTimer |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 days | — |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 26.2 |
| Further details — not scored | ||
| Size | 24 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | Yoshiaki Kawano | takeshi kato |
In-app purchases
Plank Timer
No in-app purchases
ZenTimer
No in-app purchases









