Time Calibrator vs GMT Time
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Time Calibrator
This utility app provides precise local time and date information by connecting to an atomic clock server in Switzerland. It utilizes quantum technology to transmit this data at the speed of light directly to compatible i-Atomic watches.
- Accurate global time and date
- Connects to Swiss atomic clock server
- Quantum technology data transmission
- Direct communication to i-Atomic watches
- Light signal synchronization
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This app is designed for i-Atomic watches users Welcome to Time Calibrator! Time Calibrator has been specifically designed to deliver accurate time information to people all around the globe. The app connects automatically to the atomic clock server in Switzerland to display the exact local time and date. Through quantum technology, the information travels at the speed of light from the NTP server and is communicated directly to AtomTime i-Atomic watches via light signals.
GMT Time
This app provides accurate GMT time using NTP protocol and TrueTime framework. It offers a timekeeping function, allows setting time between two locations for itineraries, and supports multiple languages. Enjoy precise timekeeping with 1/100 second accuracy.
- Accurate GMT time display
- NTP and TrueTime framework integration
- Timekeeping function (on/off)
- Set time between two locations
- Multi-language support (English, Japanese, Chinese, Cantonese)
- 1/100 second accuracy
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Based on NTP (Network Time Protocol) protocol and TrueTime framework Get the correct GMT time anytime, anywhere on your mobile phone for free • Timekeeping function that can be turned on and off at any time • Set time between two places to facilitate business and travel itineraries • Provide timekeeping in English Japanese ,Chinese and Cantonese • NTP+ network delay calibration with 1/100 second accuracy
Screenshots
Verdict
The clearest difference is rating: GMT Time at 4.7 against Time Calibrator's 2.7. GMT Time also leads on ratings volume (37 vs 3). Time Calibrator's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, in-app purchases, device support and iOS requirement 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.
GMT Time holds the better App Store score, 4.7 against 2.7. That said, the two scores are not equally well evidenced: GMT Time has 37 ratings behind it against 3, so its average is the more settled of the two.
| Parameter | Time Calibrator | GMT Time |
|---|---|---|
| Price | Free | Free |
| Rating | 2.7 (3 ratings) | 4.7 (37 ratings) — better |
| Positive reviews | 33.3% of reviews | — |
| Number of ratings | 3 | 37 — better |
| Update frequency | Every 8 months | — |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 14.0 — better |
| Further details — not scored | ||
| Size | 8 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Atomtime Suisse S.A. | MingChun Chien |
Customer experience
Time Calibrator
GMT Time
In-app purchases
Time Calibrator
No in-app purchases
GMT Time
No in-app purchases
Questions
Is Time Calibrator free?
Is GMT Time free?
Which has better reviews, Time Calibrator or GMT Time?
Do Time Calibrator or GMT Time have ads?
Other comparisons
