Comparison

Global Time Machine vs Tmzn

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

Visualize all your important time zones on a single, interactive line. Plan meetings and calls across different regions with ease, and see day and night cycles at a glance. Includes calendar integration and automatic location detection.

Highlights
  • World clock for 34,000+ cities
  • Drag to travel in time
  • Day and night at a glance
  • Calendar integration
  • Automatic location detection
  • Offline 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

Tmzn

This app helps you easily manage and visualize time differences across the globe. Its intuitive interface allows you to see day and night cycles at a glance and schedule events that accommodate multiple time zones.

Highlights
  • Day-night world map visualization
  • Time shifting with swipe gestures
  • Calendar integration for event scheduling
  • Extensive city selection
  • Instant time updates
Features
Read full description

- A beautiful day-night map and interface for times at-a-glance. - Swipe left or right to shift time and instantly update your locations. - Features easy calendar integration to schedule events that work for everyone. - Detailed location views show timezone overlaps, custom active hours, public holidays, and more. - Select from hundreds of world cities.

Screenshots

Global Time Machine4 screens
Tmzn4 screens

Verdict

The call

The clearest difference is in-app purchases: Tmzn at none against Global Time Machine's 2. Tmzn also leads on review sentiment (79% vs 58%) and update cadence (every 3 days vs every 5 days). On price, rating, ratings volume and ads 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. Tmzn asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 3.7 for Global Time Machine against 3.8 for Tmzn. Both are backed by a comparable volume of ratings — 7 and 4 respectively. Written reviews are what separate them: 58% of Global Time Machine's written reviews are positive against 79% of Tmzn's.

UpkeepUpdate frequency

Global Time Machine ships an update every 5 days, Tmzn every 3 days. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

Scorecard5 real differences · 5 level
Global Time Machine versus Tmzn: the parameters behind the verdict, then further details
ParameterGlobal Time MachineTmzn
PriceFreeFree
Rating3.7 (7 ratings)3.8 (4 ratings) — better
Positive reviews58.3% of reviews78.9% of reviews — better
Number of ratings7 — better4
Update frequencyEvery 5 daysEvery 3 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, Mac, Apple Watch — betteriPhone, iPod
Requires iOS17.015.1 — better
Further details — not scored
Size12 MB59 MB
Age rating4+4+
DevelopertheMakeAppPaul Noble

Customer experience

Global Time Machine

All ratings7 ratings
Positive71.4%
Neutral0.0%
Negative28.6%
Written reviews12 reviews
Positive58.3%
Neutral8.3%
Negative33.3%

Tmzn

All ratings4 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews19 reviews
Positive78.9%
Neutral5.3%
Negative15.8%

In-app purchases

2 purchases

Global Time Machine

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

Tmzn

No in-app purchases

Questions

Is Global Time Machine free?
Global Time Machine is free to download, with in-app purchases available.
Is Tmzn free?
Tmzn is free to download, with no in-app purchases.
Which has better reviews, Global Time Machine or Tmzn?
Tmzn is rated higher. Global Time Machine averages 3.7 out of 5 from 7 ratings, while Tmzn averages 3.8 from 4 ratings.
Do Global Time Machine or Tmzn have ads?
Neither Global Time Machine nor Tmzn shows ads.
Which is updated more often, Global Time Machine or Tmzn?
Global Time Machine ships an update every 5 days, and Tmzn every 3 days. Most recently, Global Time Machine was updated on November 6, 2026 and Tmzn on November 2, 2026.

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