30 day vs Plankstar
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Core muscle development
- Back and spinal health support
- Boosted metabolism
- Improved posture
- Static and dynamic plank options
- Customizable exercise plans
- Progress tracking with timer
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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.
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.
- 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
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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
Verdict
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
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.
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.
30 day ships an update every 9 days, Plankstar every 3 months. Both last shipped on October 24, 2026.
| Parameter | 30 day | Plankstar |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (155 ratings) — better | 3.5 (2 ratings) |
| Positive reviews | 75.0% of reviews — better | 28.6% of reviews |
| Number of ratings | 155 — better | 2 |
| Update frequency | Every 9 days — better | Every 3 months |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 14 MB | 110 MB |
| Age rating | 9+ | 4+ |
| Developer | Bustgrow Ltd | Youngwan Choi |
Customer experience
30 day
Plankstar
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
30 day
- Pro version$0.99
Plankstar
- Monthly Premium$0.991 Month
- Annual Premium$3.991 Year
- Lifetime Premium$19.99
Questions
Is 30 day free?
Is Plankstar free?
Which has better reviews, 30 day or Plankstar?
Do 30 day or Plankstar have ads?
Which is updated more often, 30 day or Plankstar?
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