Plankstar vs InterFit
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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/
InterFit
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InterFit - 당신의 완벽한 운동 파트너 더 이상 복잡한 타이머 앱은 필요 없습니다. InterFit과 함께 효율적이고 직관적인 인터벌 트레이닝을 경험하세요. 주요 기능: 직관적인 세션 관리 • 드래그 앤 드롭으로 손쉽게 운동 순서 변경 • 탭 한 번으로 운동/휴식 시간 조절 • 깔끔하고 모던한 애플 스타일 디자인 스마트 음성 안내 • 운동 시작과 종료를 한국어로 안내 • 다음 동작 예고로 미리 준비 • 다른 앱의 음악과 함께 사용 가능 강력한 백그라운드 실행 • 화면이 꺼져있어도 정확한 타이머 동작 • 다른 앱 사용 중에도 끊김 없는 음성 안내 • 배터리 효율적인 백그라운드 처리 편리한 기능 • 여러 운동 세션 동시 관리 • 3-2-1 카운트다운으로 준비 시간 제공 • 진행 상황을 한눈에 파악할 수 있는 UI 당신의 모든 인터벌 트레이닝을 위한 최적의 솔루션, InterFit과 함께 시작하세요.
Screenshots
Verdict
The clearest difference is in-app purchases: InterFit at none against Plankstar's 3. InterFit also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement 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. Plankstar sells 3 in-app purchases, starting at $0.99 per month. InterFit asks for nothing beyond the download.
Plankstar ships an update every 3 months, InterFit every 2 months. The most recent releases landed on October 4, 2026 and September 17, 2026 respectively.
| Parameter | Plankstar | InterFit |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (2 ratings) — better | — |
| Positive reviews | 28.6% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 107 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Youngwan Choi | EUNHWAN LEE |
In-app purchases
Plankstar
- Monthly Premium$0.991 Month
- Annual Premium$3.991 Year
- Lifetime Premium$19.99
InterFit
No in-app purchases









