# Plank - 30 Day Challenge — Support your 30 day plank > 30-day plank challenge tracker with countdown and achievement management. (iPhone/iPad app by Intersect.) - Source: https://appshunter.io/ios/app/plank-30-day-challenge/id1255037496 (this page in markdown: same URL + `.md`) - Developer: [Intersect](https://appshunter.io/developer/641416964) - Category: Health & Fitness, Lifestyle - Price: Free - Rating: 4.80/5 from 69 App Store ratings · 31 written reviews indexed - Age rating: 17+ - Requires: iOS 16.6 · 24 MB - Languages: American English, Japanese - Released: 2017-08-24 - Data updated: 2026-08-15 - Monetization: ad-supported - User reviews in markdown: https://appshunter.io/ios/app/plank-30-day-challenge/id1255037496/reviews.md ## What is Plank? It is an application that supports Plank for 30 days.The main function is to count Plank seconds once a day. Main function ・Plank's countdown. ・Achievement days management. ・Plank count up mode. (after achieving 30 days Plank) Active Energy ・Ex. METs 2.8, Weight 50 kg, Time 10 min. (2.8 - 1) x 50 x (10 / 60) x 1.05 = 15.75 kcal. Optional permission requests ・Apple Health: It is used to record data in Apple Health. ・Tracking: It is used to deliver personalized ads to you. ・Notifications: It is used to sending notifications. Languages ・Japanese, English. ## Key features - Daily plank countdown - Achievement day tracking - Plank count-up mode - Active energy calculation - Apple Health integration ## Recent user reviews (10 of 31) All indexed reviews: https://appshunter.io/ios/app/plank-30-day-challenge/id1255037496/reviews.md ### 5/5 — 助かるダイエットのプランクだけ番のアプリ *2025-12-18* 私好きなアプリがなかったんですけどこのアプリが大好きになっております。ホントみんなまじおすすめ絶対使った方がいいよみんな今まで聞いてくれてありがとう ### 2/5 — 音が出ない *2025-09-16* サウンドをオンにしても、マナーモードを解除していても音が出ません。また、プランク終了とともに広告が流れるようになったのでとても不愉快です。 ### 1/5 — translation *2024-08-23* can’t read privacy policy or anything, it’s all in Chinese and you can’t use the app until you consent ### 2/5 — 通知ONで忘れずできるのはとてもいい *2023-10-21* もっと秒数を実用的な数字にして欲しい 約3日で30秒増えたところで休憩無しでできる人は少ないし自分が出来る秒数でスケジュールを組み長く続けられるように出来ればいいなと思いました ### 5/5 — プランク *2021-11-19* やり始めて3年になると思うのですが、健康や体型維持だけでなく、気持ちが上向きになる、仕事にミスがなくなる、など脳にも効いている気がします。 とにかく、若い時からやっておけばよかったと思うし、これからもずっと続けます。今はほぼ毎日120秒です。 ### 4/5 — インスタシェアしたい *2021-06-24* インスタへのシェア出来なくなった、😭 シェアできるようにしてほしいです。 ### 5/5 — ゆるく頑張りたい方にオススメです *2020-03-18* ゆるっゆるな絵がカウント中に一緒に頑張ってくれて可愛いです この日に何秒で休息日はこの日でというように予定が組んであるので、それに合わせてゆるく頑張りたい方にオススメです ### 4/5 — シンプルで良い *2019-10-19* 運動の習慣が無いから、まずこれのみ30日やろう〜と思います。 しかしうっかり日をまたぎ深夜に動かしてしまうと、その日のうちに出来ないので、日にちを洗濯出来る様にして欲しいです。スケジュールどうりにやれば良いんでしょうけど… ### 4/5 — まあまあ良い *2019-10-15* とても使いやすくて良いのですが秒数の設定が変えられないのが残念です。出来たら設定できるようにして頂きたいです ### 2/5 — 日付を跨ぐと使えない *2019-07-25, version 1.3* 最初は達成感あったけど、ある日日付を跨いでアプリを起動したら実際のスケジュールとズレたり修正できないまま進んだりと散々です。そりゃ規則正しく生活できればいいでしょうけどそうも行かない日もあるでしょ。シンプル故に応用が利かないので、そういった小さい部分を修正してくれると助かりますよ。 ## Frequently asked questions about Plank ### What is the main function of Plank? The main function of Plank is to support you through a 30-day plank challenge by counting your plank seconds daily. It also includes a countdown timer and manages your achievement days. ### Does Plank offer advanced features after the 30-day challenge? Yes, after achieving 30 days of planking, Plank offers a count-up mode. This allows users to continue progressing and challenging themselves beyond the initial 30-day goal. ### Can Plank track calories burned? Plank can estimate active energy burned during workouts. It uses a formula that considers METs, weight, and time to provide an approximate kcal calculation. ### Does Plank integrate with Apple Health? Yes, Plank requests optional permission to integrate with Apple Health. This allows users to record their plank data directly within their Apple Health ecosystem. ### What languages does Plank support? Plank is available in Japanese and English. This ensures accessibility for a broader range of users interested in the plank challenge. ### Does Plank have ads? Yes, Plank contains advertisements. The app utilizes tracking permissions to deliver personalized ads to users. ### How often is Plank updated? The latest version of Plank is 8.0.0, and it was last updated on January 27, 2026. This indicates a commitment to ongoing development and improvements. ### What is the age rating for Plank? Plank has an age rating of 17+. This is likely due to the nature of the health and fitness category and potential user engagement patterns. ## Version history (last 5 releases) ### 8.0.0 — 2026-01-27 Minor bug fixes. ### 7.0.0 — 2025-06-20 Minor bug fixes. ### 6.0.0 — 2023-12-19 Minor bug fixes. ### 5.0.1 — 2023-01-03 Minor bug fixes. ### 5.0.0 — 2022-12-14 Minor bug fixes. ## Apps similar to Plank | App | Rating | Price | Category | | --- | --- | --- | --- | | [30 Day Plank Challenge!](https://appshunter.io/ios/app/30-day-plank-challenge/id1439155093) | 4.9 (293) | Free | Health & Fitness | | [Fitness At Home Workouts App](https://appshunter.io/ios/app/fitness-at-home-workouts-app/id882240858) | 4.7 (10,869) | Free | Health & Fitness | | [30 Day Fitness - Home Workout](https://appshunter.io/ios/app/30-day-fitness-home-workout/id1099771240) | 4.3 (58,564) | Free | Health & Fitness | | [30 Day Fitness at Home](https://appshunter.io/ios/app/30-day-fitness-at-home/id1167377348) | 4.9 (28,516) | Free | Health & Fitness | | [Fitness Verv: Daily Exercise](https://appshunter.io/ios/app/fitness-verv-daily-exercise/id1453964909) | 4.7 (42,985) | Free | Health & Fitness | | [Stronger - Gym Workout Planner](https://appshunter.io/ios/app/stronger-gym-workout-planner/id1621719397) | 4.8 (16,931) | Free | Health & Fitness | ## More apps by Intersect - [Mr.Kobayashi Sticker Pack](https://appshunter.io/ios/app/mrkobayashi-sticker-pack/id1155797563) - [Blood Pressure Calculator](https://appshunter.io/ios/app/blood-pressure-calculator/id1195818087) - [Sit Up Counter! - Auto Count](https://appshunter.io/ios/app/sit-up-counter-auto-count/id1330485629) - [Back Ext. Counter!](https://appshunter.io/ios/app/back-ext-counter/id1365383530) - [Push Up Counter! - Auto Count](https://appshunter.io/ios/app/push-up-counter-auto-count/id1365383641) All apps by Intersect: https://appshunter.io/developer/641416964 ## Related topics [plank beginners](https://appshunter.io/ios/topics/plank-beginners) · [30 day plank](https://appshunter.io/ios/topics/30-day-plank) · [30 day challenge plank](https://appshunter.io/ios/topics/30-day-challenge-plank) · [plank challenge free](https://appshunter.io/ios/topics/plank-challenge-free) · [plank daily](https://appshunter.io/ios/topics/plank-daily) · [7 minute workout plank](https://appshunter.io/ios/topics/7-minute-workout-plank) · [plank timer by axcentra](https://appshunter.io/ios/topics/plank-timer-by-axcentra) · [plank](https://appshunter.io/ios/topics/plank) · [plank workout](https://appshunter.io/ios/topics/plank-workout) · [plank challenge](https://appshunter.io/ios/topics/plank-challenge) · [plank workout for weight loss](https://appshunter.io/ios/topics/plank-workout-for-weight-loss) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-15.*