Time Zones PRO vs ArrivalOS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Time Zones PRO
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Discover the ultimate time zone companion with Time Zone PRO! Seamlessly calculate time differences across UTC, GMT, and 49 other global time zones, from ACDT to WIT. Whether you're a traveler, business professional, or simply curious about world time, this app has you covered. Key Features: • Comprehensive time zone coverage including UTC, GMT, and 49 additional time zones worldwide. • Quick and intuitive time zone lookup powered by Google integration. • Support for both AM/PM and 24-hour time formats, catering to individual preferences. Time Zone PRO is your go-to tool for effortless time conversions and scheduling across continents. Stay connected and efficient no matter where you are in the world!
ArrivalOS
Navigate new cities with confidence. Get instant, practical transport options from airports to your destination, along with local transit basics and essential safety tips for travelers.
- City-based arrival guidance
- Airport to city transport options
- Local transport basics
- Rideshare/taxi guidance
- Traveler safety tips
- Minimal, fast, and easy to use
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ArrivalOS is your GLOBAL TRAVEL COMPANION for moving confidently in new cities. Choose a city, select where you’re going, and instantly see practical airport-to-city transport options—plus local transport basics, rideshare/taxi guidance, and reality-check safety tips. Key features: • City-based arrival guidance • “Where are you going?” destination-zone selector • Airport → city transport options (rideshare, taxi, bus/train, transfers) • Public transport basics and common mistakes • Practical safety notes and traveler tips • Minimal, fast, easy to use Support: service@kayoservices.com
Screenshots
Verdict
The clearest difference is update cadence: ArrivalOS at every 2 months against Time Zones PRO's every 4 months. Time Zones PRO's advantage is iOS requirement (12 vs 15.5). 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Time Zones PRO ships an update every 4 months, ArrivalOS every 2 months. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.
| Parameter | Time Zones PRO | ArrivalOS |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (6 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 6 — better |
| Update frequency | Every 4 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, iPod |
| Requires iOS | 12 — better | 15.5 |
| Further details — not scored | ||
| Size | 11 MB | 9 MB |
| Age rating | 4+ | 17+ |
| Developer | Nic Kolbe | Adilise Johnson |
In-app purchases
Time Zones PRO
No in-app purchases
ArrivalOS
No in-app purchases









