Comparison

Plank King vs Plankstar

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

Head to head
About

Plank King

This app helps you build a consistent core-training habit with a focused plank timer and progressive 30-day plans. Track your progress, view trends, and stay motivated with streaks and achievements. It's designed for everyday use and habit tracking.

Highlights
  • One-tap plank timer
  • 30-day progressive plans
  • Workout history and progress trends
  • Daily habit reminders
  • Apple Health sync
  • Streaks, achievements, and leaderboards
Features
Read full description

Plank King is a focused plank timer and training-plan app for building a steady core-training habit. Use it to time each plank session, follow progressive 30-day plans, record your workout history, and see your streaks and trends at a glance. Start with a level that fits you, train within your limits, and keep small sessions consistent over time. What you can do with Plank King: - Start a clean plank timer in one tap - Follow beginner, intermediate, and advanced 30-day plans - Save workout history and view progress trends - Set reminders for your daily plank habit - Sync supported workouts with Apple Health - Keep motivation with streaks, achievements, and leaderboards Plank King is designed for everyday core training and habit tracking. It does not provide medical advice. Stop if you feel pain, and consult a qualified professional if you have health concerns. Subscription: Plank King may offer optional paid plans for premium features such as advanced plans, analytics, and unlimited history. Payment is charged to your Apple ID. Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://flykey.notion.site/Privacy-Policy-4239beb3c3394b779c2fd1e215bfeff6?pvs=4

About

Plankstar

This app helps you track and improve your plank workouts with various timer modes, voice guidance, and detailed statistics. It automatically records your progress and allows you to share achievements. Unlock premium features and remove ads with an in-app purchase.

Highlights
  • Plank timer with goal, max time, and set modes
  • Voice guidance and sound effects
  • Automatic workout recording
  • Workout calendar and statistics
  • Customizable challenges
  • Apple Health integration
  • Social sharing
Read full description

PlankStar is an app that tracks various types of plank exercises. ◉ Plank timer with various methods • Goal Time: You can do a goal time plank. • Max Time: Measure plank time without time limit. • Sets: You can create a routine with a set time and rest time for each set. • Advanced set settings: You can create more detailed routines by setting the time and rest time for each set. ◉ Voice guidance and sound effects • Voice Guidance: You can hear preparations, workouts, completions, and more by voice. • Sound Effects: You can change the clock sound. ◉ Automatic workout recording • Automatically records workout date, duration, maximum set time, time per set, rest time, all-time high time, calories, and more. ◉ Workout Calendar • You can check the exercise day on the calendar. ◉ Statistics • You can view statistics such as daily, monthly and yearly workouts, time, and calories burned. • You can easily check the exercise time for each period in a graph. • You can view the exercise list and details for each period. ◉ Challenge • You can create your own goal time to challenge yourself and manage your workout records. ◉ Save on Apple Health • Record your workout results in Apple Health, read your profile information from Apple Health and use it to calculate calories. ◉ Share • You can share your workout history as an image on social media or messenger on the workout completion screen and workout details screen. ◉ Dark Mode • Reduces battery consumption and reduces glare. ◉ Support • If you have any questions or suggestions, please send them through Settings > App Information > Inquiries and Suggestions in the app and we will do our best to answer them. ◉ Premium • Remove ads and use premium features through in-app purchases. Terms of use: http://waneelab.com/terms-of-service/

Screenshots

Plank King4 screens
Plankstar4 screens

Verdict

The call

The clearest difference is ads: Plank King at none against Plankstar's shown. Plankstar's advantage is review sentiment (29% vs 0%) and iOS requirement (15.0 vs 17.0). On price, update cadence, in-app purchases and monetization model 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. Plank King sells 3 in-app purchases, starting at $2.99 per month and Plankstar sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Plank King ships an update every 2 months, Plankstar every 3 months. The most recent releases landed on September 21, 2026 and September 17, 2026 respectively.

Scorecard3 real differences · 7 level
Plank King versus Plankstar: the parameters behind the verdict, then further details
ParameterPlank KingPlankstar
PriceFreeFree
Rating—3.5 (2 ratings) — better
Positive reviews0.0% of reviews28.6% of reviews — better
Number of ratings—2 — better
Update frequencyEvery 2 months — betterEvery 3 months
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhoneiPhone, iPod — better
Requires iOS17.015.0 — better
Further details — not scored
Size33 MB107 MB
Age rating4+4+
Developer源 陈Youngwan Choi

Customer experience

Plank King

Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Plankstar

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews7 reviews
Positive28.6%
Neutral14.3%
Negative57.1%

In-app purchases

3 purchases

Plank King

Subscriptions3
  • Monthly Subscription$2.991 Month
  • Six-Month Subscription7 Days trial$14.996 Months
  • Premium Plus Bundle$24.991 Year
3 purchases

Plankstar

Subscriptions2
  • Monthly Premium$0.991 Month
  • Annual Premium$3.991 Year
One-time1
  • Lifetime Premium$19.99

Questions

Is Plank King free?
Plank King is free to download, with in-app purchases available.
Is Plankstar free?
Plankstar is free to download, with in-app purchases available.
Do Plank King or Plankstar have ads?
Plankstar shows ads; Plank King does not.
Which is updated more often, Plank King or Plankstar?
Plank King ships an update every 2 months, and Plankstar every 3 months. Most recently, Plank King was updated on September 21, 2026 and Plankstar on September 17, 2026.

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