Comparison

Silent Flash Timer vs Soundless Timer

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

Head to head
About

Silent Flash Timer

This app provides a silent timer that uses screen flashes for notifications instead of sound or vibration. It's ideal for focused work, quiet environments like libraries, or for users sensitive to auditory alerts, ensuring time management without disruption.

Highlights
  • Screen flash notifications
  • No sound or vibration alerts
  • Ideal for focused work
  • Suitable for quiet environments
  • User-friendly interface
  • Supports time management
Features
Read full description

In environments like the workplace or a cafe, even setting a timer to vibrate can feel intrusive. However, with this app, instead of audio or vibration alerts, your screen will flash to let you know when the set time has come. This app could be useful in the following situations: During focused work: Ideal for managing time during work or study. When the set time has passed, you will be notified with a noticeable screen flash, but there will be no noise or vibration to distract others. In environments where audible notifications are not allowed: In quiet places like libraries or meeting rooms, conventional timers are not usable. With this app, you can check the passing of time with a non-disturbing screen flash. When you want to avoid stress from sound and vibration: This app is perfect for people sensitive to sound and vibration or those who want to maintain a pleasant silence. Only when needed, the screen will flash quietly, not disturbing your focus. This app quietly yet effectively supports your time management. Adapting to each environment and need, it offers a user-friendly interface for easy time management. For anyone needing quiet notifications, this app is the ultimate solution. ■ Subscription Please refer to the following links for the terms and conditions related to the use of the subscription: Privacy Policy: https://neudesignlab.notion.site/Privacy-Policy-117364cad9f7809eab89cfe9d30764d5?pvs=74 Terms of Use: https://neudesignlab.notion.site/Terms-of-Use-117364cad9f78080bac2e540af0330bb

About

Soundless Timer

Features
Read full description

Soundless Timer is a vibration only timer app that lets you keep track of time without making any sound. Use it when: •taking a quiet nap in a break room •in meetings or business talks •on trains or buses •in libraries or study rooms •putting a child to sleep •working in a quiet office It is perfect for situations where a loud alarm would bother other people, but you still want to manage time strictly. The app was originally created as a simple tool for comfortable power naps. Main features •Vibration only timer (no sound) •Intuitive swipe or scroll control for setting time •Clean and easy to read display of remaining time •Time can be set with one second precision •Frequently used times can be quickly recalled and reset •You can extend the remaining time even after the countdown has started •Supports many different languages Recommended use cases •When you want a solid nap in the break room but cannot let an alarm sound ring •When you want to quietly know when an online meeting should end •To avoid missing your stop on a train or bus •As a Pomodoro timer for study or deep work sessions •For managing intervals in workouts or stretching •For managing nap or bedtime for your child •When you simply want to try using the app in another language Why it is soundless Most timers and alarm apps notify you with sound that everyone around can hear. Soundless Timer is designed to use vibration only, so you can keep your phone in your pocket or on your lap and be the only one who notices when time is up. Simple by design •Menus and screen transitions are kept to a minimum so you can set a time and start the timer immediately. •Ads are placed so that they do not get in the way of operating the timer. Notes •If you want the timer to run in the background, make sure notifications are enabled for the app. •Vibration strength and patterns depend on your device settings. •Depending on settings such as Silent Mode or Do Not Disturb, vibration may not occur. Please check operation in advance before using the app in important situations.

Screenshots

Silent Flash Timer4 screens
Soundless Timer4 screens

Verdict

The call

The clearest difference is in-app purchases: Soundless Timer at none against Silent Flash Timer's 4. Soundless Timer also leads on iOS requirement (15.0 vs 17.6). 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. Silent Flash Timer sells 4 in-app purchases, starting at $0.99 per month. Soundless Timer asks for nothing beyond the download.

UpkeepUpdate frequency

Silent Flash Timer ships an update every 2 weeks, Soundless Timer every 8 days. The most recent releases landed on September 8, 2026 and September 18, 2026 respectively.

Scorecard2 real differences · 8 level
Silent Flash Timer versus Soundless Timer: the parameters behind the verdict, then further details
ParameterSilent Flash TimerSoundless Timer
PriceFreeFree
Rating4.4 (9 ratings) — better
Positive reviews66.7% of reviews
Number of ratings9 — better
Update frequencyEvery 2 weeksEvery 8 days — better
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.615.0 — better
Further details — not scored
Size11 MB11 MB
Age rating4+4+
DeveloperNEUDESIGNLAB, LLCGEN HIOKI

In-app purchases

4 purchases

Silent Flash Timer

Subscriptions2
  • 1 Month Plan$0.991 Month
  • Premium - Yearly$4.991 Year
One-time2
  • Lifetime Ad Removal Discounted$5.99
  • Lifetime Ad Removal$9.99
None

Soundless Timer

No in-app purchases

Questions

Is Silent Flash Timer free?
Silent Flash Timer is free to download, with in-app purchases available.
Is Soundless Timer free?
Soundless Timer is free to download, with no in-app purchases.
Do Silent Flash Timer or Soundless Timer have ads?
Both Silent Flash Timer and Soundless Timer show ads.
Which is updated more often, Silent Flash Timer or Soundless Timer?
Silent Flash Timer ships an update every 2 weeks, and Soundless Timer every 8 days. Most recently, Silent Flash Timer was updated on September 8, 2026 and Soundless Timer on September 18, 2026.

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