Interval Timer vs Plankstar
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Interval Timer
This app helps you manage workout intervals with customizable work and rest periods. It runs in the background and allows music playback, with options to save settings and share progress. Integrates with Apple Health for heart rate monitoring.
- Customizable sets, intervals, and rest times
- Runs in background and with screen locked
- Music playlist integration
- Save settings as templates
- Apple Health integration for heart rate
- Post workouts to social media
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***Free and reliable. Perfect for use at home, at the track or in the gym. We’re proud to introduce this handy little app that helps you keep track of your work and rest periods during workouts. Whether your into cycling, running, lifting weights, exercise, workout, stretching, boxing, MMA or HIT, this interval timer will prove to be an invaluable asset to you. Running foreground, background or with device locked, this reliable app allows you specify an overall time as well as program High/Low intensity interval and rest time between sets. Produced by Polycents! Key Features: - Customizable sets, high/low intensity interval and rest for your own need - Retina display, iOS4 and multitasking - Continue to run even when screen is locked - Play your song or playlist during your workout - Post your workout to Facebook or Twitter - Save settings as templates Customizable Features: - Number of Sets - Countdown Time - Set Time - Low Interval time - High Interval time - Rest Time - First Interval (low or high) - Sound Volume - Timer Sounds - Auto Lock - Vibrate - Pause during Rest - Playlist - New Each Set APPLE HEALTH: -Interval Timer can use Apple Health to show heart rate in Apple Watch App. # Subscription Details # - Monthly and annual subscriptions are available. - Payment will be charged to your iTunes account at confirmation of purchase. - Your subscription will automatically renew unless auto-renew is disabled at least 24 hours before the end of the current subscription period. - Automatic renewals will be charged at the same price you were originally charged for the subscription. - Subscriptions can be managed by going to Account Settings on the App Store after purchase. Terms of Use: https://www.iubenda.com/terms-and-conditions/18915396 Privacy Policy: https://www.iubenda.com/privacy-policy/18915396
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 rating: Interval Timer at 4.5 against Plankstar's 3.5. Interval Timer also leads on review sentiment (69% vs 29%) 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. Interval Timer sells 6 in-app purchases, starting at $0.99 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.
Interval Timer holds the better App Store score, 4.5 against 3.5. That said, the two scores are not equally well evidenced: Interval Timer has 19K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 69% of Interval Timer's written reviews are positive against 29% of Plankstar's.
Interval Timer ships an update every 9 days, Plankstar every 3 months. The most recent releases landed on September 24, 2026 and September 17, 2026 respectively.
| Parameter | Interval Timer | Plankstar |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (19K ratings) — better | 3.5 (2 ratings) |
| Positive reviews | 69.0% of reviews — better | 28.6% of reviews |
| Number of ratings | 19K — 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, Apple Watch — better | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 143 MB | 107 MB |
| Age rating | 4+ | 4+ |
| Developer | NEO PIXEL LABS PTE. LTD. | Youngwan Choi |
Customer experience
Interval Timer
Plankstar
Bugs and requests
Interval Timer
Reported bugs
3 issues- Ads block functionality
- App freezes or crashes
- Timer doesn't work in background
Requested features
5 requests- Add notes to workouts
- Provide workout history and analytics
- Allow syncing with Apple Health
- Improve Apple Watch integration
- Add more customization options
Plankstar
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Interval Timer
- Plus - 1 Month$0.991 Month
- Premium - 1 Month$1.991 Month
- Plus - 1 Month$1.991 Month
Show 3 moreShow fewer
- Premium - 1 Month$2.991 Month
- Plus - 1 Year2 variants$4.991 Year
- Premium - 1 Year7 Days trial2 variants$9.991 Year
Plankstar
- Monthly Premium$0.991 Month
- Annual Premium$3.991 Year
- Lifetime Premium$19.99
Questions
Is Interval Timer free?
Is Plankstar free?
Which has better reviews, Interval Timer or Plankstar?
Do Interval Timer or Plankstar have ads?
Which is updated more often, Interval Timer or Plankstar?
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