Comparison

Sit Up Counter! vs Plankstar

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

Head to head
About

Sit Up Counter!

This application automatically counts your sit-ups using your iPhone's sensors. It provides notifications, records workout data to Apple Health, and saves your results. Track your progress and stay motivated with this fitness companion.

Highlights
  • Automatic sit-up counting
  • Workout notifications
  • Apple Health integration
  • Save results to photos
  • View workout history
  • Active energy calculation
Read full description

This App will support counting of Sit Up. The main function is counting of Sit Up. Main Function ・Count Sit Up. ・Notifications. ・Record Active Energy and Workouts to Apple Health. ・Save Results to Photo. ・View history. How to use ・Put iPhone on your abdominal. ・Tap start button. ・Hold iPhone with both hands. ・Start Sit Up. Active Energy ・Ex. METs 3.8, Weight 50 kg, Time 10 min. (3.8 - 1) x 50 x (10 / 60) x 1.05 = 24.5 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. ・Photo Library: It is used to save image in Photo Library. Languages ・Japanese, English.

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

Sit Up Counter!4 screens
Plankstar4 screens

Verdict

The call

The clearest difference is review sentiment: Sit Up Counter! at 73% against Plankstar's 29%. Sit Up Counter! also leads on rating (4.7 vs 3.5) and in-app purchases (none vs 3). On price, update cadence, ads and device support 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. Plankstar sells 3 in-app purchases, starting at $0.99 per month. Sit Up Counter! asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Sit Up Counter! holds the better App Store score, 4.7 against 3.5. That said, the two scores are not equally well evidenced: Sit Up Counter! has 43 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 73% of Sit Up Counter!'s written reviews are positive against 29% of Plankstar's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 months. Both last shipped on October 24, 2026.

Scorecard5 real differences · 5 level
Sit Up Counter! versus Plankstar: the parameters behind the verdict, then further details
ParameterSit Up Counter!Plankstar
PriceFreeFree
Rating4.7 (43 ratings) — better3.5 (2 ratings)
Positive reviews73.1% of reviews — better28.6% of reviews
Number of ratings43 — better2
Update frequencyEvery 3 monthsEvery 3 months
AdsYesYes
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhoneiPhone
Requires iOS16.6 — better17.0
Further details — not scored
Size31 MB110 MB
Age rating17+4+
DeveloperIntersectYoungwan Choi

Customer experience

Sit Up Counter!

All ratings43 ratings
Positive93.0%
Neutral7.0%
Negative0.0%
Written reviews26 reviews
Positive73.1%
Neutral15.4%
Negative11.5%

Plankstar

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

In-app purchases

None

Sit Up Counter!

No in-app purchases

3 purchases

Plankstar

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

Questions

Is Sit Up Counter! free?
Sit Up Counter! is free to download, with no in-app purchases.
Is Plankstar free?
Plankstar is free to download, with in-app purchases available.
Which has better reviews, Sit Up Counter! or Plankstar?
Sit Up Counter! is rated higher. Sit Up Counter! averages 4.7 out of 5 from 43 ratings, while Plankstar averages 3.5 from 2 ratings.
Do Sit Up Counter! or Plankstar have ads?
Both Sit Up Counter! and Plankstar show ads.
Which is updated more often, Sit Up Counter! or Plankstar?
Sit Up Counter! ships an update every 3 months, and Plankstar every 3 months. Most recently, Sit Up Counter! was updated on October 24, 2026 and Plankstar on October 24, 2026.

Other comparisons