Periodic Timer vs 무한반복타이머
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Periodic Timer
This app provides a simple, repeating interval timer that can run in the background without distracting you. It offers customizable alerts, quick start options, and prevents your screen from locking while active. Ideal for various activities like fitness, cooking, and learning.
- Repeating interval timer
- Background operation
- Customizable alerts (vibration/sound)
- Prevent lockscreen
- Shake to start
- Multiple timer output modes
Read full descriptionHide full description
Keep track of time without being distracted by the device! Simple and easy timer that repeats at your chosen interval. FEATURES - Vibration, if sound is off. - Works in the background. - 3 timer output modes: intervals, total time, countdown. - You can cancel or pause the timer with help of a notification. - Quick Start from icon. - Shake To Start - can be enabled in settings. - Prevent Lockscreen - another useful setting, the screen will not lock, while the timer is running. USE CASES Here is a list of known use cases based on the real feedback: Fitness and health: - Stretching - Stationary bicycle (interval training) - On a treadmill - For HIIT - Jogging - Timed medication - Boxing Cooking - While frying potatoes - Roasting steaks - Checking an over or a grill to prevent burning Learning & science - Foreign language learning - As a lab timer - Periodic data collection - Speech training - Presentation timing Other - Mindfulness - Communication - To have a sense of time flying away :) HELP Q: Why the timer doesn't work in the background? A: You should allow notifications. Q: How to turn off the sound and turn on the vibration? A: On the device, turn the Silent Mode on. (Side Switch) Q: Alert is limited for 5 seconds! A: Go to Settings app, then Periodic Timer > Notifications > Banner Style > Persistent. Q: How to switch the Timer Output Mode? A: To switch the Output Mode touch the timer display at the top of the screen. Q: What is Shake To Start for? A: Shake To Start setting allows to start/cancel the timer by shaking the device. Thus, you don't touch the screen, what can be useful while cooking, for example. In order for this mode to work, the app should be open. If you still have questions or suggestions, you can visit the support page (https://goo.gl/forms/pggVBcaBxdW85EGE3), the Facebook group (http://www.facebook.com/groups/PeriodicTimer/) or you can email me (periodictimer.sup@gmail.com). If you like the app - please, rate it!
무한반복타이머
Create custom schedules by setting multiple timers consecutively. Manage study, exercise, work, and rest periods indefinitely with precise hour, minute, and second controls. The timers continue to run even when using other applications.
- Set multiple timers at once
- Create custom timer schedules
- Manage study, exercise, work, and rest
- Set timers in hours, minutes, and seconds
- Timers run in the background
Read full descriptionHide full description
무한반복타이머는 타이머를 연속으로 설정해서 나만의 스케줄로 타이머를 실행할 수 있습니다. - 타이머를 필요한 만큼 한번에 여러 개를 만들 수 있어요. - 만든 타이머들을 쉽게 추가, 삭제해서 나만의 타이머 스케줄을 만들 수 있어요. - 공부, 운동, 업무, 휴식 시간을 무한대로 관리할 수 있어요. - 시, 분, 초 단위로 설정할 수 있어요. - 다른 앱을 사용 중에도 타이머가 동작합니다.
Screenshots
Verdict
The clearest difference is rating: Periodic Timer at 4.1 against 무한반복타이머's 1.0. Periodic Timer also leads on ads (none vs shown) and ratings volume (170 vs 1). 무한반복타이머's advantage is update cadence (every 10 days vs every 2 months) and iOS requirement (13.2 vs 18.0). On price, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Periodic Timer holds the better App Store score, 4.1 against 1.0. That said, the two scores are not equally well evidenced: Periodic Timer has 170 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 52% of Periodic Timer's written reviews are positive against 43% of 무한반복타이머's.
Periodic Timer ships an update every 2 months, 무한반복타이머 every 10 days. The most recent releases landed on October 21, 2026 and October 17, 2026 respectively.
| Parameter | Periodic Timer | 무한반복타이머 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (170 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 52.1% of reviews — better | 42.9% of reviews |
| Number of ratings | 170 — better | 1 |
| Update frequency | Every 2 months | Every 10 days — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, Apple Watch — better | iPhone, iPod |
| Requires iOS | 18.0 | 13.2 — better |
| Further details — not scored | ||
| Size | 26 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | Vladimir Kelin | SuWon Choi |
Customer experience
Periodic Timer
무한반복타이머
Bugs and requests
Periodic Timer
Reported bugs
12 issues- Sound/notifications fail to trigger despite settings enabled
- Timer cancels when phone is shaken or moved
- Vibration doesn't work when screen is locked or off
- App crashes on launch (especially after updates)
- Watch app crashes or doesn't function
Show 7 moreShow fewer
- Notifications inconsistent on Apple Watch
- Timer speed inaccurate (runs too fast)
- App won't open after deletion and reinstall
- Upgrade popup spams every second, making app unusable
- Heart rate monitor stays active, draining battery
- Vibration doesn't work on silent mode
- Watch green light stays on continuously
Requested features
15 requests- Adjustable sound volume and custom alert sounds
- Customizable vibration patterns
- Settings menu for user preferences
- Ability to add notes/labels to timers
- Seconds-only timer option
Show 10 moreShow fewer
- Simple countdown timer (non-repeating)
- Separate exercise and rest period intervals
- Start timer at specific time of day
- Disable sound option for silent vibration-only mode
- Prevent screen lock while timer is running
- Apple Watch vibration support
- Seconds increment option (not just minutes)
- Better Apple Watch complications and integration
- Free trial period before purchase requirement
- Disable shake-to-cancel functionality
무한반복타이머
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Periodic Timer
No in-app purchases
무한반복타이머
No in-app purchases
Questions
Is Periodic Timer free?
Is 무한반복타이머 free?
Which has better reviews, Periodic Timer or 무한반복타이머?
Do Periodic Timer or 무한반복타이머 have ads?
Which is updated more often, Periodic Timer or 무한반복타이머?
Other comparisons
