Sentry NFC vs SpotClock · World Clock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sentry NFC
This utility app enables users to enroll their biometric Sentry Card using their smartphone. It facilitates secure card management and access through your mobile device.
- Biometric Sentry Card enrollment
- Phone-based card management
- Secure access via smartphone
- Card enrollment utility
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The Sentry NFC app allows you to use your phone to enroll your biometric Sentry Card
SpotClock · World Clock
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SpotClock shows you the full picture for three cities at once — not just the time, but the day of the week, the date, and current weather conditions. Perfect for anyone who splits their life across time zones. Finally know at a glance whether it's Tuesday in Sydney or still Monday in Los Angeles — without mental arithmetic. Three-pane layout — one main city, two secondary cities, all live simultaneously Shows day of week and full date for each city — never lose track across the dateline Day progress bar — instantly see where each city is in its 24-hour day, including sunrise/sunset for the main pane Time-of-day gradients — morning, afternoon, evening, twilight and night have their own color palette Current weather conditions and temperature via WeatherKit Digital and analog clock modes Search and add 400+ cities worldwide Fahrenheit or Celsius
Screenshots
Verdict
The clearest difference is iOS requirement: Sentry NFC at 14.0 against SpotClock · World Clock's 26.2. 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.
| Parameter | Sentry NFC | SpotClock · World Clock |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 14 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 14.0 — better | 26.2 |
| Further details — not scored | ||
| Size | 1 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Sentry Enterprises | wh4 inc |
In-app purchases
Sentry NFC
No in-app purchases
SpotClock · World Clock
No in-app purchases
Questions
Is Sentry NFC free?
Is SpotClock · World Clock free?
Do Sentry NFC or SpotClock · World Clock have ads?
Other comparisons
