Comparison

Sentinel vs Tap Alert

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

Head to head
About

Sentinel

Access and verify Network Rail Sentinel smartcards. Check your own card details or authenticate team members and conduct spot checks. Works online for real-time data or offline for card access and stored check history.

Highlights
  • Read Sentinel smartcards via NFC
  • Scan QR codes for card data
  • Verify cardholder information
  • Authenticate team members
  • Perform spot checks
  • Check TVPs (Track Vacancy Permits)
  • Offline access to card data
Read full description

This app is designed specifically to read Sentinel smartcards for Network Rail’s Sentinel system. It allows anyone to check their own Sentinel card and allows authorised card checkers to authenticate their team as well as undertake spot checks and check TVPs. When online, the app shows the most up to date information for each cardholder either by scanning the card’s QR code or by reading the details stored in the smartcard using NFC. Even without mobile internet access, the information stored on the card can still be accessed, any recently scanned card details can also be reviewed, and all checks will be stored and uploaded to the database when back online.

About

Tap Alert

Features
Read full description

Overview: TapAlert is an innovative notification app designed to streamline communication and improve operational efficiency across various industries. Whether you're managing a busy bar, a dental office, or coordinating a tactical airsoft game, TapAlert ensures that your team stays informed and responsive to critical situations. Key Features: Customizable Alerts: Create and manage alerts tailored to your specific needs. From notifying staff about equipment malfunctions to alerting team members about ongoing game scenarios, TapAlert offers flexibility for any environment. Real-Time Notifications: Receive instant alerts on your watch, Iphone, or iPad. Stay updated with real-time information to respond quickly and effectively. User-Friendly Interface: Designed with simplicity in mind, TapAlert's intuitive interface allows users to send and receive alerts with just a few taps. Versatile Applications: Ideal for various industries, including healthcare, hospitality, entertainment, and recreational activities. TapAlert adapts to your unique requirements, enhancing communication and efficiency. Use Cases: Healthcare: Dentists and doctors can use TapAlert to notify staff about patient readiness, equipment issues, or urgent situations, ensuring timely and efficient patient care. Hospitality: Bar managers and restaurant staff can utilize TapAlert to manage supplies, handle maintenance requests, and improve customer service by addressing needs promptly. Recreational Activities: Enhance the coordination of airsoft or paintball games by alerting team members about game scenarios, such as "Base under Attack," ensuring a dynamic and engaging experience. Benefits: Improved Communication: Eliminate delays and misunderstandings with instant, clear alerts. Enhanced Efficiency: Streamline operations by keeping everyone informed and ready to act. Increased Responsiveness: Ensure quick responses to urgent situations, minimizing downtime and maximizing productivity. Custom Solutions: Adapt TapAlert to fit the specific needs of your business or activity, providing a tailored communication tool. TapAlert is the ultimate solution for businesses and teams looking to enhance their communication and operational efficiency. With its customizable alerts, real-time notifications, and user-friendly interface, TapAlert keeps you connected and responsive to any situation.

Screenshots

Sentinel4 screens
Tap Alert4 screens

Verdict

The call

The clearest difference is in-app purchases: Sentinel at none against Tap Alert's 1. Sentinel also leads on iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Tap Alert sells 1 one-off in-app purchase. Sentinel asks for nothing beyond the download.

Scorecard2 real differences Β· 6 level
Sentinel versus Tap Alert: the parameters behind the verdict, then further details
ParameterSentinelTap Alert
PriceFreeFree
Positive reviews9.8% of reviewsβ€”
Update frequencyEvery 4 monthsβ€”
AdsNoNo
In-app purchasesNo β€” betterYes
MonetizationFreeβ€”
DevicesiPhone, iPad, iPod β€” betteriPhone, iPad
Requires iOS15.0 β€” better17.0
Further details β€” not scored
Size8 MB34 MB
Age rating4+4+
DeveloperReference Point LimitedChris Thompson

In-app purchases

None

Sentinel

No in-app purchases

1 purchases

Tap Alert

One-time1
  • Unlock unlimited participants$1.99

Questions

Is Sentinel free?
Sentinel is free to download, with no in-app purchases.
Is Tap Alert free?
Tap Alert is free to download, with in-app purchases available.
Do Sentinel or Tap Alert have ads?
Neither Sentinel nor Tap Alert shows ads.

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