Comparison

ZoneTime vs doto clock

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

Head to head
About

ZoneTime

Easily compare timezones to schedule meetings and avoid calling people at inconvenient hours. The app features a widget for quick glances and a table to compare up to 20 locations, automatically adjusting for Daylight Saving Time.

Highlights
  • View overlapping timezone hours
  • Schedule meetings across timezones
  • Today Widget for quick time checks
  • Compare up to 20 locations
  • Color-coded 'OK to call' times
  • Automatic Daylight Saving Time adjustment
  • Create calendar events across timezones
Features
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ZoneTime offers a quick and easy way to view overlapping timezone hours, and setup meetings. ZoneTime can help you: * stop waking up your friends and family when you call them overseas. * catch your international colleagues while they're still in the office. * compare timezones between a flight's origin and destination. Included Features * ZoneTime Today Widget now allows you to quickly glance at times across your configured locations without needing to open the app, or unlock you phone. * An easy to use table to compare today's times for up to 20 locations at a time. * Choose from cities from around the globe * Color codes times based on whether it's 'OK' to call. * Automatically adjusts for Daylight Saving Time for each Location. * Edit and rearrange locations you want to compare timezones. * Compare timezones in landscape or portrait orientation. * Create an calendar event across multiple timezones

About

doto clock

Features
Read full description

SHARP WORLD CLOCK. Press the asterisk " * " to change the screen mode. Reproduce "WORLD CLOCK" of SHARP personal computer MZ-700. The UTC map is not accurate due to the resolution. I'm sorry.

Screenshots

ZoneTime4 screens
doto clock4 screens

Verdict

The call

The clearest difference is update cadence: ZoneTime at every 3 months against doto clock's every 13 months. ZoneTime also leads on iOS requirement (8.0 vs 13.5). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

ZoneTime ships an update every 3 months, doto clock every 13 months. The most recent releases landed on September 25, 2026 and October 7, 2026 respectively.

Scorecard2 real differences · 8 level
ZoneTime versus doto clock: the parameters behind the verdict, then further details
ParameterZoneTimedoto clock
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 3 months — betterEvery 13 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS8.0 — better13.5
Further details — not scored
Size26 MB5 MB
Age rating4+4+
DeveloperGlen Tregoningmasayuki morishita

In-app purchases

None

ZoneTime

No in-app purchases

None

doto clock

No in-app purchases

Questions

Is ZoneTime free?
ZoneTime is free to download, with no in-app purchases.
Is doto clock free?
doto clock is free to download, with no in-app purchases.
Do ZoneTime or doto clock have ads?
Neither ZoneTime nor doto clock shows ads.
Which is updated more often, ZoneTime or doto clock?
ZoneTime ships an update every 3 months, and doto clock every 13 months. Most recently, ZoneTime was updated on September 25, 2026 and doto clock on October 7, 2026.

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