Periodic Timer + Custom Sounds
Periodic Timer + Custom Sounds is #33 in Health & Fitness Paid in Japan and charting in 4 of 30 countries we track.
Updated 25 Oct 2026 · rankings refresh through the day
DeveloperVladimir Kelin
CategoryHealth & Fitness
Price4.99 USD
Released
Rating★ 3.9 (75)
Version4.8
Age rating4+
First seen by us
25 Sep 2026
25 Sep 2026Installs (est.)10k+ worldwide
Rating
3.9 ★
75 ratings
Measured
Best rank now
#33
Health & Fitness PaidMeasured
Periodic Timer + Custom Sounds on the App Store
App details
App ID
1175807581
Publisher
Vladimir Kelin
On the store since
Jan 2017
9 years on the store
Minimum OS
iOS 18.0+
iPhone XS and later
Devices
iPhone · iPad · Watch
Universal purchase
Content rating
4+
Languages
22
BE DA NL EN FR DE ID IT JA KO NB PL …
Size
18 MB
Also listed in
Utilities
Periodic Timer + Custom Sounds downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Apple publishes no download counts. iPhone downloads come from chart positions and daily rating growth per country, calibrated on Google Play install counts; lifetime installs from ratings worldwide × installs per rating. Confidence is the chance the real number is within half to double ours.
Where Periodic Timer + Custom Sounds's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Japan | Health & FitnessPaid | #33 |
 Taiwan | Health & FitnessPaid | #15 |
 Netherlands | Health & FitnessPaid | #19 |
 South Korea | Health & FitnessPaid | #94 |
Apps near Periodic Timer + Custom Sounds on the chart
Health & Fitness Paid, around #33.
Ratings
App Store, worldwide.
Rating
3.9 ★
75 ratings
Measured
Ratings
75
Measured
What users say about Periodic Timer + Custom Sounds
From the 33 most recent App Store reviews in the US.
Mixed (52% of recent reviews give 4–5 stars). People like it for being easy to use, and its features and content. The main complaints are about price and subscriptions, and crashes and bugs. Recent reviews are more positive than earlier ones.
What people like
- Ease of use: “Simple, easy to setup & use”
- Features & content: “Could use a couple more sound options though!”
- Useful: “$1.99 is very reasonable for such a useful app, thanks!”
Common complaints
- Price & subscription: “i would like a refund please!!”
- Crashes & bugs: “This stared crashing for no reason”
About Periodic Timer + Custom Sounds
Keep track of time without being distracted by the device!
Simple and easy timer that repeats at your chosen interval.
FEATURES
- Many sounds to select + the ability to add custom ones.
- Up to 4 pinned and up to 5 recent Quick Start items.
- Long intervals - up to 99 hours!
- Vibration, if the 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.
- Flexibility and minimalism.
- 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 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 oven 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: How can I add a custom sound?
A: There are four ways. Choose one depending where is the sound file located.
* If the sound on your Mac or PC:
1. Connect the device.
2. Open Finder and select the device.
3. Select Files in the menu. There you'll find 'Periodic +' folder.
4. Drug and drop the sound file there.
* From Files app on iPhone:
1. Copy the required file.
2. Open Periodic + folder and paste it.
* From another app on iPhone (like Mail):
1. Open the app where the file is located.
2. Find and touch Share button (it may have different name, for example Export).
3. In the appearing Share Sheet find the list of apps. If there is no Periodic +, touch More and enable it.
4. Now select Periodic + in the Share dialog and the sound will be imported.
* And the most convenient "+" button!
1. Open Sounds tab.
2. Hit the "+" button in the "Folder" section and pick your file.
Q: Alert is limited for 5 seconds!
A: Go to Settings app, then Periodic + > 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. For this mode, in order to work, the app should be open.
This app has a free version with limited features.
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 (pe
Simple and easy timer that repeats at your chosen interval.
FEATURES
- Many sounds to select + the ability to add custom ones.
- Up to 4 pinned and up to 5 recent Quick Start items.
- Long intervals - up to 99 hours!
- Vibration, if the 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.
- Flexibility and minimalism.
- 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 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 oven 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: How can I add a custom sound?
A: There are four ways. Choose one depending where is the sound file located.
* If the sound on your Mac or PC:
1. Connect the device.
2. Open Finder and select the device.
3. Select Files in the menu. There you'll find 'Periodic +' folder.
4. Drug and drop the sound file there.
* From Files app on iPhone:
1. Copy the required file.
2. Open Periodic + folder and paste it.
* From another app on iPhone (like Mail):
1. Open the app where the file is located.
2. Find and touch Share button (it may have different name, for example Export).
3. In the appearing Share Sheet find the list of apps. If there is no Periodic +, touch More and enable it.
4. Now select Periodic + in the Share dialog and the sound will be imported.
* And the most convenient "+" button!
1. Open Sounds tab.
2. Hit the "+" button in the "Folder" section and pick your file.
Q: Alert is limited for 5 seconds!
A: Go to Settings app, then Periodic + > 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. For this mode, in order to work, the app should be open.
This app has a free version with limited features.
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 (pe
Latest updates
4.8
- watchOS: Fixed an issue that could cause the timer to stop running in the background without scheduling notifications.
- iOS: Updated to the latest APIs.
4.7
watchOS:
- Fixed a bug where the timer was invalidated by tapping the icon at the top of the screen or the Smart Stack activity. Now it's only invalidated when you tap the "Stop" button on Smart Stack, as intended.
- Fixed an incorrect value displayed in notifications.
- Fixed cropped buttons on Apple Watch Ultra 3.
iOS:
- New: Haptics on start/stop/pause in silent mode.
- Refreshed Settings interface.
Store changes
What Periodic Timer + Custom Sounds changed on its store page: name, icon, screenshots, price, size, languages, requirements.
Renamed 
Periodic Timer + → Periodic Timer + Custom Sounds
Renamed 
Periodic Timer + → Periodic Timer + Custom Sounds
Renamed 
Periodic Timer + → Periodic Timer + Custom Sounds
