Comparison

Simple Timer & Alarm ListTimer vs Periodic Timer

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

Head to head
About

Simple Timer & Alarm ListTimer

This app offers a simple, one-tap timer for various activities like focus, study, and workouts. It displays finish times, works in the background with notifications, and supports vibration for silent mode. An upgrade option removes ads and adds lock screen countdowns and custom sounds.

Highlights
  • One-tap start
  • Finish times displayed
  • Background notifications
  • Vibration for silent mode
  • Easy repeat function
  • Battery friendly operation
Features
Read full description

ListTimer is a free timer app that can be started with just one tap. It displays end times and works in the background. ●One Tap to Start All you have to do is tap it once. ●Finish Times Displayed on Screen It shows the time your alarm will finish. ●Notifies You in Background When the timer ends, ListTimer also notifies you in the background. ●Vibration ListTimer vibrates your device so you can also use it in silent mode. ●Repeat Easily Tap the repeat button to repeat the timer at intervals. ●Battery Friendly ListTimer doesn't consume your battery power in the background because it notifies you after you close the app. URL Scheme = "listtimer:" @http://icons8.com/ ■■ Upgrade ■■ - No Ads - Countdown on Lockscreen - Change Alarm Sound - Customize Theme Color - Longer Interval Settings - Save 2 or More Favorites 【Privacy Policy and Term of Use】 https://texttospeech.helpshift.com/a/timerapp/?l=en&s=help&f=privacy-policy

About

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.

Highlights
  • Repeating interval timer
  • Background operation
  • Customizable alerts (vibration/sound)
  • Prevent lockscreen
  • Shake to start
  • Multiple timer output modes
Features
Read 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!

Screenshots

Simple Timer & Alarm ListTimer4 screens
Periodic Timer4 screens

Verdict

The call

The clearest difference is rating: Simple Timer & Alarm ListTimer at 4.7 against Periodic Timer's 4.1. Simple Timer & Alarm ListTimer also leads on review sentiment (89% vs 52%) and update cadence (every 5 days vs every 2 months). Periodic Timer's advantage is in-app purchases (none vs 4) and ads (none vs shown). On price, ratings volume 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. Simple Timer & Alarm ListTimer sells 4 in-app purchases, starting at $0.49 per 7 days. Periodic Timer asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Simple Timer & Alarm ListTimer holds the better App Store score, 4.7 against 4.1. Both are backed by a comparable volume of ratings — 303 and 167 respectively. Written reviews point the same way: 89% of Simple Timer & Alarm ListTimer's written reviews are positive against 52% of Periodic Timer's.

UpkeepUpdate frequency

Simple Timer & Alarm ListTimer ships an update every 5 days, Periodic Timer every 2 months. The most recent releases landed on October 10, 2026 and October 11, 2026 respectively.

Scorecard7 real differences · 3 level
Simple Timer & Alarm ListTimer versus Periodic Timer: the parameters behind the verdict, then further details
ParameterSimple Timer & Alarm ListTimerPeriodic Timer
PriceFreeFree
Rating4.7 (303 ratings) — better4.1 (167 ratings)
Positive reviews89.1% of reviews — better52.1% of reviews
Number of ratings303 — better167
Update frequencyEvery 5 days — betterEvery 2 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, Apple Watch
Requires iOS15.6 — better17.0
Further details — not scored
Size36 MB23 MB
Age rating4+4+
DeveloperLemon LLCVladimir Kelin

Customer experience

Simple Timer & Alarm ListTimer

All ratings303 ratings
Positive92.1%
Neutral3.6%
Negative4.3%
Written reviews175 reviews
Positive89.1%
Neutral5.1%
Negative5.7%

Periodic Timer

All ratings167 ratings
Positive75.4%
Neutral6.0%
Negative18.6%
Written reviews140 reviews
Positive52.1%
Neutral10.7%
Negative37.1%

User reviews

Simple Timer & Alarm ListTimer

From 303 App Store ratings

What we love

  • 👍 Simple and intuitive user interface
  • ⏱️ Seconds display feature (unlike Apple's native timer)
  • 🔇 True silent/vibration-only alert option
  • 🎯 Multiple simultaneous timers capability
  • ✅ Highly reliable and consistent performance

Room to improve

  • 🐛 Alarm doesn't always trigger when app is closed
  • 📢 Intrusive and frequent advertisements
  • 🔊 Ad sounds play despite silent timer setting
  • ⚙️ Awkward repeat function toggle in settings
  • 📱 Requires app to remain open for vibration alerts

Periodic Timer

From 167 App Store ratings

What we love

  • 👍 Simple and intuitive interface
  • ⏱️ Effective repeating/interval timer functionality
  • 🎯 Does exactly what it's designed to do
  • 🔇 Vibration-only option available
  • 📱 Works in background with screen off

Room to improve

  • 🔊 Sound/notification issues (unreliable or missing)
  • 💰 Aggressive premium upselling in free version
  • 🐛 Timer cancels when phone is shaken
  • 🔋 Activates heart rate sensor, drains battery
  • 📵 Doesn't work reliably with screen locked

Bugs and requests

Simple Timer & Alarm ListTimer

Reported bugs

5 issues
  • Alarm fails to trigger when app is closed or locked
  • Vibration doesn't work reliably in background
  • App fails to download (stuck on iCloud icon)
  • Notification bar alert insufficient to wake users
  • Inconsistent vibration performance in some scenarios

Requested features

7 requests
  • 12-hour time format option for end-time display
  • Independent alarm volume control (separate from phone volume)
  • Simpler repeat function toggle (zero repeat option in settings)
  • Text/description field to note what timer is for
  • Interval repetition with alerts
Show 2 more
  • Larger font size option
  • Custom time ranges including seconds

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 more
  • 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 more
  • 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

In-app purchases

4 purchases

Simple Timer & Alarm ListTimer

Subscriptions3
  • ListTime One Weeek$0.497 Days
  • ListTimer Plus$2.491 Month
  • ListTimer Plus7 Days trial$14.991 Year
One-time1
  • ListTimer Plus$4.99
None

Periodic Timer

No in-app purchases

Questions

Is Simple Timer & Alarm ListTimer free?
Simple Timer & Alarm ListTimer is free to download, with in-app purchases available.
Is Periodic Timer free?
Periodic Timer is free to download, with no in-app purchases.
Which has better reviews, Simple Timer & Alarm ListTimer or Periodic Timer?
Simple Timer & Alarm ListTimer is rated higher. Simple Timer & Alarm ListTimer averages 4.7 out of 5 from 303 ratings, while Periodic Timer averages 4.1 from 167 ratings.
Do Simple Timer & Alarm ListTimer or Periodic Timer have ads?
Simple Timer & Alarm ListTimer shows ads; Periodic Timer does not.
Which is updated more often, Simple Timer & Alarm ListTimer or Periodic Timer?
Simple Timer & Alarm ListTimer ships an update every 5 days, and Periodic Timer every 2 months. Most recently, Simple Timer & Alarm ListTimer was updated on October 10, 2026 and Periodic Timer on October 11, 2026.

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