Comparison

One Tap Timer vs Kairos

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

Head to head
About

One Tap Timer

This app offers a straightforward countdown timer designed for everyday tasks. It features simple controls, quick setup with presets, and customizable alerts, all within a distraction-free interface. Ideal for studying, cooking, workouts, and more.

Highlights
  • Tap to start, pause, resume
  • Minimalist, distraction-free interface
  • Instant presets and custom duration
  • Light and Dark visual themes
  • Sound or vibration alerts
  • Focus and study timer
Features
Read full description

Looking for a simple timer? Stop fumbling with complex settings. Just tap and focus. One Tap Timer is the most intuitive countdown timer app for your daily life. We stripped away the clutter to give you a timer that just works. Whether you are studying, working out, or cooking, simply set your time and go. ■ SIMPLE & FAST • Simple Controls: Tap anywhere to start, pause, or resume. • Distraction-Free: A clean, minimal interface that lets you focus on the numbers. • Quick Setup: Use instant presets (30 seconds, 1 min, 5 min, 10 min) or set a custom duration. • Stay Awake: The screen never dims while your timer is running. ■ ALARMS & THEMES • Flexible Alarms: Choose between sound, vibration, or silent — perfect for quiet libraries or loud kitchens. • Background Alarms: Get an alarm when time's up, even with the screen off. • Visual Themes: Switch between a crisp Light Mode and an eye-friendly Dark Mode. ■ PERFECT FOR • Focus & Study: Pomodoro technique, exams, and reading sessions. • Board Games: Turn limits for Rummikub, Chess, or party games. • Work: Presentations, public speaking practice, and meetings. • Cooking: Boiling eggs, brewing coffee, or steeping tea. • Fitness: Planking, HIIT intervals, and rest between sets. ■ 100% FREE (OPTIONAL AD REMOVAL) One Tap Timer is completely free to use. An optional one-time purchase removes ads forever (No subscriptions). Experience the beauty of simplicity. Download One Tap Timer today.

About

Kairos

Features
Read full description

Most timers tell you exactly when they end. Kairos does not. Set a minimum and maximum duration, start the timer, and Kairos chooses a random moment in between. You know the range. You do not know the exact finish. That simple twist makes Kairos useful anywhere timing should stay unpredictable. USE KAIROS FOR - Meditation: sit without watching the clock - Exercise: hold effort without bracing for the last seconds - Study sessions: add flexible focus or break intervals - Interval training: Auto Repeat randomises every set so you never anticipate the next round - Party games: perfect for Hot Potato, Musical Chairs, and other pass-it-fast games FEATURES - Random timer between your chosen minimum and maximum - Clean countdown interface designed for iPhone - Hide Time Display for a more focused, less predictable experience - Auto Repeat, Overtime, and Auto Stop modes after the timer ends - Label your timers for quick recognition in Recents - Choice of built-in alarm sounds - Haptic feedback when time is up - Recents for quickly restarting favorite timer setups - Light, Dark, and System theme - No ads or sign-up required Kairos is built for the moments when exact timing gets in the way and a little uncertainty makes the experience better.

Screenshots

One Tap Timer4 screens
Kairos4 screens

Verdict

The call

The clearest difference is in-app purchases: Kairos at none against One Tap Timer's 1. Kairos 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. One Tap Timer sells 1 one-off in-app purchase. Kairos asks for nothing beyond the download.

UpkeepUpdate frequency

One Tap Timer ships an update every 6 days, Kairos every 4 days. The most recent releases landed on October 2, 2026 and September 15, 2026 respectively.

Scorecard2 real differences · 8 level
One Tap Timer versus Kairos: the parameters behind the verdict, then further details
ParameterOne Tap TimerKairos
PriceFreeFree
Rating4.6 (33 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings33 — better—
Update frequencyEvery 6 daysEvery 4 days — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size56 MB36 MB
Age rating4+4+
DeveloperStedyWorksBenno Kohrs

In-app purchases

1 purchases

One Tap Timer

One-time1
  • Remove Ads$2.99
None

Kairos

No in-app purchases

Questions

Is One Tap Timer free?
One Tap Timer is free to download, with in-app purchases available.
Is Kairos free?
Kairos is free to download, with no in-app purchases.
Do One Tap Timer or Kairos have ads?
One Tap Timer shows ads; Kairos does not.
Which is updated more often, One Tap Timer or Kairos?
One Tap Timer ships an update every 6 days, and Kairos every 4 days. Most recently, One Tap Timer was updated on October 2, 2026 and Kairos on September 15, 2026.

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