Comparison

1SecPlank vs 30 Tage

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

1SecPlank

Features
Read full description

1SecPlank is the simplest challenge in the world: every day, hold your plank 1 second longer than yesterday. The app measures your max, then increases your goal by just one second each day. That's it. HOW IT WORKS • Start the timer and hold your plank • Each successful day = +1 second tomorrow • Build a streak and never let go FEATURES • Timer with visual and audio countdown • Daily streak with streak freeze • Detailed progress and statistics • Levels to unlock • Customizable daily reminder WHY IT WORKS The secret is minimal progression. 1 second seems like nothing — and that's exactly why it works. No excuses, no burnout.

About

30 Tage

Features
Read full description

Can you complete the 30-day plank challenge? The plank (forearm plank) is one of the most effective exercises for your torso, back, and core. With this app, you'll train daily according to a structured 30-day plan – from a few seconds to several minutes. ... **How ​​it works:** • Open the app and select today • Press Start – the countdown begins • Voice prompts remind you of the remaining time • Soothing background music accompanies your workout • After your workout, the day is marked as complete **Features:** • 30-day training plan with increasing duration • Audio prompts in German (original sounds from the 2015 app) • Gentle background music (volume adjustable) • Clear progress grid – see at a glance how far you've come • Built-in rest days • No account, no login, no ads • Works offline **Proper form:** Elbows directly under your shoulders. Legs straight, like in a push-up. Squeeze your glutes. Keep your body straight – from head to heels. Don't forget to breathe! Ready for the challenge? Let's go! ########## A quick note about the plank itself: Your elbows should be directly under your shoulders. Your legs should be straight, like in a push-up. Engage your glutes (gluteus maximus). Hold this position. Don't forget to breathe.

Screenshots

1SecPlank4 screens
30 Tage3 screens

Verdict

The call

The clearest difference is update cadence: 30 Tage at every 6 days against 1SecPlank's every 3 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

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

1SecPlank ships an update every 3 months, 30 Tage every 6 days. The most recent releases landed on October 31, 2026 and October 25, 2026 respectively.

Scorecard1 real difference · 5 level
1SecPlank versus 30 Tage: the parameters behind the verdict, then further details
Parameter1SecPlank30 Tage
PriceFreeFree
Update frequencyEvery 3 monthsEvery 6 days — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPod, Apple Watch — betteriPhone, iPod
Requires iOS15.115.1
Further details — not scored
Size42 MB43 MB
Age rating4+4+
DeveloperThomas PierreMichael Palmer

In-app purchases

None

1SecPlank

No in-app purchases

None

30 Tage

No in-app purchases

Questions

Is 1SecPlank free?
1SecPlank is free to download, with no in-app purchases.
Is 30 Tage free?
30 Tage is free to download, with no in-app purchases.
Do 1SecPlank or 30 Tage have ads?
Neither 1SecPlank nor 30 Tage shows ads.
Which is updated more often, 1SecPlank or 30 Tage?
1SecPlank ships an update every 3 months, and 30 Tage every 6 days. Most recently, 1SecPlank was updated on October 31, 2026 and 30 Tage on October 25, 2026.

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