Comparison

Chronometer vs Quietmarks

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

Head to head
About

Chronometer

Features
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Chronometer puts the world's time zones at your fingertips with a stunning animated 3D globe. Spin the globe, select any of 190+ countries, and instantly view live local time, sunrise/sunset, business hours, and golden hour โ€” all wrapped in a premium dark interface with smooth animations and haptic feedback. KEY FEATURES - Animated COBE 3D globe - Real-time clocks for 190+ countries - Favorites dashboard with time comparison timeline - Meeting planner โ€” find overlapping business hours - Time converter with day-difference awareness - Sunrise, sunset & golden hour tracking - Business hours status for every country - Cinematic launch screen with haptic tick-tick-tick - Glassmorphism UI with 60fps animations Built for remote teams, travelers, photographers, and anyone who thinks globally.

About

Quietmarks

Features
Read full description

Prepare a date-bounded chronology from your saved noise observations, with a full preview before sharing. HOW IT WORKS 1. Open Entries and tap Timeline. Choose the first and last calendar day. 2. Choose whether to include notes, witness names and approximate readings. Photos are excluded. 3. Review the complete timeline before sharing. An explicitly labeled example can be explored without changing your log. Noise capture, saved entries, recurrence tools and existing reports remain available. WHAT TO KNOW These are user-recorded observations, not verified findings or a certified sound-level report. Missing days are unknown, not evidence of silence. Perceived durations may overlap. Headlines, source, room and impact fields remain included and can contain personal information; inspect the preview. iPhone and iPad.

Screenshots

Chronometer4 screens
Quietmarks3 screens

Verdict

The call

The clearest difference is price: Chronometer at Free against Quietmarks's $2.99. Quietmarks's advantage is ads (none vs shown) and update cadence (weekly vs every 5 weeks). On in-app purchases and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Chronometer is free to download; Quietmarks costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Chronometer ships an update every 5 weeks, Quietmarks weekly. Both last shipped on October 8, 2026.

Scorecard4 real differences ยท 2 level
Chronometer versus Quietmarks: the parameters behind the verdict, then further details
ParameterChronometerQuietmarks
PriceFree โ€” better$2.99
Update frequencyEvery 5 weeksWeekly โ€” better
AdsYesNo โ€” better
In-app purchasesNoNo
DevicesiPhone, iPad, Apple Watch โ€” betteriPhone, iPad
Requires iOS26.217.0 โ€” better
Further details โ€” not scored
Size18 MB3 MB
Age rating4+4+
DeveloperChathushka RodrigoRobert Corbin

In-app purchases

None

Chronometer

No in-app purchases

None

Quietmarks

No in-app purchases

Questions

Is Chronometer free?
Chronometer is free to download, with no in-app purchases.
Is Quietmarks free?
Quietmarks costs $2.99, with no in-app purchases.
Do Chronometer or Quietmarks have ads?
Chronometer shows ads; Quietmarks does not.
Which is updated more often, Chronometer or Quietmarks?
Chronometer ships an update every 5 weeks, and Quietmarks weekly. Most recently, Chronometer was updated on October 8, 2026 and Quietmarks on October 8, 2026.

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