Comparison

Global Time Machine vs Tsinglan care

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

Head to head
About

Global Time Machine

Easily track the time in any city worldwide. Add locations to your list to plan international calls, meetings, or connect with loved ones abroad. Features DST support and quick access to nearby hours.

Highlights
  • Track time in over 20,000 cities
  • View nearby hours by scrolling
  • Convenient world clock interface
  • DST support for all locations
  • Shake to reset functionality
Features
Read full description

Global Time Machine shows every time zone you care about on one line. Add your cities, drag any scale and watch them all move together. Made for iPhone Duo: cities and your calendar side by side when open, a desk clock when half-folded. • World clock for 34,000+ cities — search in any language, works offline • Drag to travel in time: plan calls and meetings across time zones • Day and night at a glance: cities where it is night turn dark • Your own place is detected automatically, wherever you travel • Your calendar on the time line — see when you are busy • Half-hour and 45-minute offsets and daylight saving time, always correct • Shake to jump back to now • 12- or 24-hour clock, light and dark themes, 19 languages • Lists (Premium): Separate sets for team, family and friends • Invite a friend: See their local time and when they are busy Free plan: your place and two cities; one friend Premium: Unlimited cities, Lists, Unlimited friends, Find friends in contacts 14-day free trial, then a monthly or yearly subscription. Payment is charged to your Apple ID account. The subscription renews automatically unless it is cancelled at least 24 hours before the end of the current period. You can manage or cancel it in your App Store account settings. Terms of Service: https://thetimemachine.global/terms

About

Tsinglan care

Features
Read full description

产品简介: 清澜雷达是一款集合软硬件为一体的雷达监测开发平台 主要功能: 1、雷达设备管理 2、设备轨迹查询

Screenshots

Global Time Machine4 screens
Tsinglan care4 screens

Verdict

The call

The clearest difference is in-app purchases: Tsinglan care at none against Global Time Machine's 2. Tsinglan care also leads on iOS requirement (13.0 vs 17.0). Global Time Machine's advantage is ads (none vs shown) and update cadence (every 4 days vs every 11 days). On price 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. Global Time Machine sells 2 in-app purchases, starting at $0.99 per month. Tsinglan care asks for nothing beyond the download.

UpkeepUpdate frequency

Global Time Machine ships an update every 4 days, Tsinglan care every 11 days. The most recent releases landed on November 1, 2026 and October 7, 2026 respectively.

Scorecard4 real differences · 6 level
Global Time Machine versus Tsinglan care: the parameters behind the verdict, then further details
ParameterGlobal Time MachineTsinglan care
PriceFreeFree
Rating3.7 (7 ratings) — better—
Positive reviews58.3% of reviews—
Number of ratings7 — better—
Update frequencyEvery 4 days — betterEvery 11 days
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree—
DevicesiPhone, Mac, Apple Watch — betteriPhone, iPod
Requires iOS17.013.0 — better
Further details — not scored
Size11 MB64 MB
Age rating4+12+
DevelopertheMakeApp清澜技术(深圳)有限公司

In-app purchases

2 purchases

Global Time Machine

Subscriptions2
  • Premium · Monthly14 Days trial$0.991 Month
  • Premium · Yearly14 Days trial$9.991 Year
None

Tsinglan care

No in-app purchases

Questions

Is Global Time Machine free?
Global Time Machine is free to download, with in-app purchases available.
Is Tsinglan care free?
Tsinglan care is free to download, with no in-app purchases.
Do Global Time Machine or Tsinglan care have ads?
Tsinglan care shows ads; Global Time Machine does not.
Which is updated more often, Global Time Machine or Tsinglan care?
Global Time Machine ships an update every 4 days, and Tsinglan care every 11 days. Most recently, Global Time Machine was updated on November 1, 2026 and Tsinglan care on October 7, 2026.

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