Comparison

World Time Shifter Clock vs ProteGM

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

Head to head
About

World Time Shifter Clock

This app helps you manage time across different time zones for global coordination. Easily plan meetings, stay connected with loved ones, and track events worldwide. Its intuitive display and time-shifting feature make it simple to understand and use.

Highlights
  • Intuitive world clock display
  • Time shifting for time zone comparison
  • Meeting scheduling across time zones
  • Travel time forecasting
  • Event reminders and notifications
Features
Read full description

Coordinate with anyone, any time, anywhere, around the world with this unique and intuitive world clock. SYNC TEAMS - schedule overlap feature makes it easy to see when everyone's schedule coincides. KEEP IN TOUCH - Stay connected to family around the globe - know when it's the best time to call your relatives in another time zone. GREAT FOR TRAVEL - Plan your travel - use it to forecast your landing time after a long flight thru multiple time zones. GLOBAL SPORTS MATCHES - Don't miss the opening kick-off of the match in Manchester. TRADING MARKETS - Stay on top of the financial markets around the world. Features • Unique Intuitive Display - Super easy to see the times around the world • Time Shifting: Rotate the clock forwards or backwards to see time changes. • Large Widget - see the full clock face right on your home screen. • Schedule Overlap - see hours of overlap for schedules in one or more locations. • Reminders: Creates notifications for any time, any place.

About

ProteGM

Features
Read full description

Una aplicación que te brinda una protección y seguridad integral en el momento que lo necesitas. MSI cuida tu bienestar a través de botones de pánico, el Modo ProteGM, contenido informativo sobre zonas de riesgo y noticias.

Screenshots

World Time Shifter Clock4 screens
ProteGM4 screens

Verdict

The call

The clearest difference is ads: ProteGM at none against World Time Shifter Clock's shown. ProteGM also leads on iOS requirement (13.0 vs 18.0). World Time Shifter Clock's advantage is update cadence (every 3 weeks vs every 3 months). On price, 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

World Time Shifter Clock ships an update every 3 weeks, ProteGM every 3 months. The most recent releases landed on October 29, 2026 and October 27, 2026 respectively.

Scorecard3 real differences · 7 level
World Time Shifter Clock versus ProteGM: the parameters behind the verdict, then further details
ParameterWorld Time Shifter ClockProteGM
PriceFreeFree
Rating4.4 (97 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings97 — better—
Update frequencyEvery 3 weeks — betterEvery 3 months
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supported—
DevicesiPhone, iPadiPhone, iPod
Requires iOS18.013.0 — better
Further details — not scored
Size23 MB122 MB
Age rating4+12+
DeveloperDavid RichmondMultisistemas de Seguirdad Industrial

In-app purchases

None

World Time Shifter Clock

No in-app purchases

None

ProteGM

No in-app purchases

Questions

Is World Time Shifter Clock free?
World Time Shifter Clock is free to download, with no in-app purchases.
Is ProteGM free?
ProteGM is free to download, with no in-app purchases.
Do World Time Shifter Clock or ProteGM have ads?
World Time Shifter Clock shows ads; ProteGM does not.
Which is updated more often, World Time Shifter Clock or ProteGM?
World Time Shifter Clock ships an update every 3 weeks, and ProteGM every 3 months. Most recently, World Time Shifter Clock was updated on October 29, 2026 and ProteGM on October 27, 2026.

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