Comparison

Chronos vs Pometro

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

Head to head
About

Chronos

Enhance your concentration by blocking distracting apps and immersing yourself in calming music. Track your focus sessions and build better habits for deep work.

Highlights
  • Block distracting apps
  • Curated lofi and ambient sounds
  • Track focus streaks
  • Customizable focus sessions
  • Offline music playback
  • App blocking via Family Controls
  • Home screen widgets and Siri Shortcuts
Features
Read full description

Your phone should help you focus, not distract you. Chronos blocks addictive apps, plays calming lofi beats, and tracks your progress - turning screen time into deep work. Whether you're studying for exams, working from home, or creating your next project, Chronos helps you stay in the zone. KEY BENEFITS: - Block distracting apps during focus sessions - Immerse yourself in curated lofi and ambient sounds - Track your focus streaks and build better habits - Works seamlessly with iOS widgets and Siri FEATURES: Powerful Focus Timers Create custom focus sessions from 5 minutes to 3 hours. Use focus cycles with automatic breaks, or design your own workflow. Strict Mode locks you into your session for maximum commitment. Curated Focus Music Choose from a library of lofi beats, ambient soundscapes, rain sounds, fireplace crackling, and more. Download tracks for offline use and let the sounds enhance your concentration. Smart App Blocking Powered by Apple's Family Controls, Chronos blocks distracting apps only during active focus sessions. Customize your block screen with motivational quotes or focus tips. Your data stays on your device. Beautiful Analytics Track your daily, weekly, and monthly focus time. View contribution streaks, session history, and completion rates. Understand your productivity patterns and improve over time. Widgets & Shortcuts Start focus sessions directly from your Home Screen with widgets. Use Siri Shortcuts for hands-free control. Live Activities keep your timer visible during sessions. PERFECT FOR: - Students preparing for exams - Remote workers needing deep focus - Writers and creatives seeking flow states - Anyone looking to reduce screen time Privacy Policy: https://trilliwon.com/apps/privacy-policy Terms of Use: https://trilliwon.com/apps/terms-and-conditions/

About

Pometro

Features
Read full description

How far will your focus take you today? Pometro is a Pomodoro focus timer that turns a session into a Seoul subway journey Choose 25, 50, or 75 minutes, or set any time from 5 to 90 minutes Pometro builds a Seoul subway journey that fits your session using official operating data and timetables When you already have a destination in mind, Free Focus lets you ride directly to the station you choose Focus from City Hall to Gangnam, or leave a record from Wangsimni to Jamsil Time that used to be just a number becomes the lines you rode and the stations you reached - Routes and transfers across Seoul Subway Lines 1–9 - Journeys built around your chosen focus time - Custom sessions from 5 to 90 minutes - Time-based passengers from your very first completed ride - Passenger and landmark collections that grow as you focus - Daily, weekly, and monthly stats with focus streaks - Share each session as an illustrated subway ticket - Every line from 1 to 9 is free - Pometro Pass removes ads Travel times are estimates calculated from official operator data and timetables They may differ from real journeys because of live delays and station-specific stops or transfers Operating data: Seoul Metro station intervals and running times (Seoul Open Data Plaza, KOGL Type 1) Weather: Open-Meteo (CC BY 4.0)

Screenshots

Chronos4 screens
Pometro4 screens

Verdict

The call

The clearest difference is ads: Chronos at none against Pometro's shown. Pometro's advantage is update cadence (every 3 days vs every 6 days). On price, in-app purchases, 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. Chronos sells 4 in-app purchases, starting at $2.99 per month and Pometro sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Chronos ships an update every 6 days, Pometro every 3 days. The most recent releases landed on October 30, 2026 and November 6, 2026 respectively.

Scorecard2 real differences · 8 level
Chronos versus Pometro: the parameters behind the verdict, then further details
ParameterChronosPometro
PriceFreeFree
Rating4.6 (9 ratings) — better—
Positive reviews80.0% of reviews—
Number of ratings9 — better—
Update frequencyEvery 6 daysEvery 3 days — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhoneiPhone, iPad — better
Requires iOS1716.4 — better
Further details — not scored
Size249 MB49 MB
Age rating4+4+
DeveloperTRILLIWON, Co.youngwon choi

In-app purchases

4 purchases

Chronos

Subscriptions3
  • Chronos Pro Monthly$2.991 Month
  • Chronos Premium (Annual - Discount)$7.991 Year
  • Chronos Pro Yearly3 Days trial$9.991 Year
One-time1
  • Chronos Pro Lifetime$0.99
4 purchases

Pometro

One-time4
  • 증기기관차 스킨$0.49
  • Blossom Train Skin$0.49
  • Autumn Leaf Train Skin$0.49
Show 1 more
  • Pometro Pass$1.99

Questions

Is Chronos free?
Chronos is free to download, with in-app purchases available.
Is Pometro free?
Pometro is free to download, with in-app purchases available.
Do Chronos or Pometro have ads?
Pometro shows ads; Chronos does not.
Which is updated more often, Chronos or Pometro?
Chronos ships an update every 6 days, and Pometro every 3 days. Most recently, Chronos was updated on October 30, 2026 and Pometro on November 6, 2026.

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