Comparison

30 day vs Plankstar

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

Head to head
About

30 day

This app offers a structured approach to plank exercises for at-home training. It focuses on core strength, weight loss, and improved posture through progressive challenges. Users can customize plans, track progress, and receive guidance for various fitness levels.

Highlights
  • Core muscle development
  • Back and spinal health support
  • Boosted metabolism
  • Improved posture
  • Static and dynamic plank options
  • Customizable exercise plans
  • Progress tracking with timer
Read full description

Planking is an excellent way to tone your body. It’s efficient, requiring minimal time while delivering noticeable results quickly, as it engages muscles across your entire body. With this app, you can conveniently train at home, anytime you choose. This app is designed to aid in weight loss and help achieve a flat stomach. It offers multiple benefits: Core Muscle Development: Engage your core muscles, including the transverse abdominals, rectus abdominis, external obliques, and gluteal muscles, enhancing muscle definition and strength. Back and Spinal Health: Planking helps build muscle without straining your back and hips, offering relief from back pain and supporting your entire back, particularly the upper region. Boosted Metabolism: Burn more calories than traditional abdominal exercises, ideal for those with a sedentary lifestyle. Improved Posture: Strengthened core muscles provide optimal spinal support, promoting a more upright posture. Enhanced Athletic Endurance: Improve your overall fitness and stamina. Nervous System Benefits: Planking positively impacts your nerves, boosting mood and relieving stress and tension in the body. A correct plank impacts both your physical and emotional well-being. The app features static and dynamic plank options and caters to various training levels: beginner, intermediate, and advanced. Customize your exercise plan, create your workouts, set reminders, and track your progress with a timer and sound notifications. Share your achievements with friends on social media and follow detailed instructions for each workout. The workouts gradually increase in duration and intensity, ensuring a consistent challenge. Transform your fitness routine with this plank-focused app, and enjoy the journey towards a healthier, stronger you.

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

30 day4 screens
Plankstar4 screens

Verdict

The call

The clearest difference is review sentiment: 30 day at 75% against Plankstar's 29%. 30 day also leads on rating (4.7 vs 3.5) and update cadence (every 9 days vs every 3 months). On price, ads, 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. 30 day sells 1 one-off in-app purchase 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.

ReceptionRating · Positive reviews · Number of ratings

30 day holds the better App Store score, 4.7 against 3.5. That said, the two scores are not equally well evidenced: 30 day has 155 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 75% of 30 day's written reviews are positive against 29% of Plankstar's.

UpkeepUpdate frequency

30 day ships an update every 9 days, Plankstar every 3 months. Both last shipped on October 24, 2026.

Scorecard6 real differences · 4 level
30 day versus Plankstar: the parameters behind the verdict, then further details
Parameter30 dayPlankstar
PriceFreeFree
Rating4.7 (155 ratings) — better3.5 (2 ratings)
Positive reviews75.0% of reviews — better28.6% of reviews
Number of ratings155 — better2
Update frequencyEvery 9 days — betterEvery 3 months
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.0 — better17.0
Further details — not scored
Size14 MB110 MB
Age rating9+4+
DeveloperBustgrow LtdYoungwan Choi

Customer experience

30 day

All ratings150 ratings
Positive92.7%
Neutral5.3%
Negative2.0%
Written reviews36 reviews
Positive75.0%
Neutral8.3%
Negative16.7%

Plankstar

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

Bugs and requests

30 day

Reported bugs

4 issues
  • Timer error on advanced level (22nd day)
  • App doesn't load or opens very slowly
  • App crashes on launch after update
  • App stops loading after first day

Requested features

5 requests
  • Add widgets
  • Add reminders and notifications
  • Review plank technique
  • View past days' seconds
  • Develop higher levels and new sports

Plankstar

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

30 day

One-time1
  • Pro version$0.99
3 purchases

Plankstar

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

Questions

Is 30 day free?
30 day is free to download, with in-app purchases available.
Is Plankstar free?
Plankstar is free to download, with in-app purchases available.
Which has better reviews, 30 day or Plankstar?
30 day is rated higher. 30 day averages 4.7 out of 5 from 155 ratings, while Plankstar averages 3.5 from 2 ratings.
Do 30 day or Plankstar have ads?
Both 30 day and Plankstar show ads.
Which is updated more often, 30 day or Plankstar?
30 day ships an update every 9 days, and Plankstar every 3 months. Most recently, 30 day was updated on October 24, 2026 and Plankstar on October 24, 2026.

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