Comparison

D vs Sentry Shield

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

Head to head
About

D

Monitor and control your mobile router's internet connection, data usage, and Wi-Fi settings. Manage connected devices and send/receive SMS messages directly from your phone.

Highlights
  • Monitor internet connection status
  • Track data usage and set alerts
  • Configure wireless network sharing
  • Manage connected devices
  • Send and receive SMS messages
Features
Read full description

• Check and manage mobile router’s Internet connection status, signal strength, connection settings, SIM card PIN, data roaming, and more • Check mobile router’s data usage and set up notifications to alert you when you are nearing your usage limit • Configure a wireless network to share your mobile Internet access with all your devices • See what devices are connected to your network, and give or block access to specific devices • Send and receive SMS messages on your mobile network

About

Sentry Shield

Features
Read full description

Sentry Shield is an enterprise-grade device management application designed for organizations that demand uncompromising security and control over their iOS fleet. Built for IT administrators, security teams, and B2B operators, Sentry Shield transforms standard iPhones into hardened, policy-enforced devices through a unique combination of physical NFC security cards and centralized management. KEY CAPABILITIES - NFC Security Card Binding Pair each device to a physical SENTRY security card. Only an authorized cardholder can bind, unbind, or unlock the device — a tangible second factor that complements digital credentials. - Hardware Button Lockdown Disable the volume buttons, power button, and silent switch when Security Mode is active. Ideal for kiosk deployments, point-of-sale terminals, examination devices, and field operations where tampering must be prevented. - Multi-Code Unlock System Configure multiple four-digit codes with role-based scoping. Set distinct codes for device unlock, administrator override, and emergency exit. - MDM-Native Deployment Designed from the ground up for Jamf, Microsoft Intune, Mosyle, Kandji, and other MDM platforms. Deploy via VPP, push managed configurations, and integrate with your existing endpoint management workflows. - Tenant-Aware Backend The Sentry Shield client speaks fluently with multi-tenant SENTRY UEM backends. Devices automatically route to the correct tenant API based on configuration — no manual server selection required. - Demo Mode for Trials and Reviews Toggle Demo Mode to evaluate the full user experience without requiring physical NFC cards or backend connectivity. Perfect for procurement evaluations and onboarding sessions. PRIVACY AND COMPLIANCE Sentry Shield transmits only the minimum data required for operation: device identifier, hashed NFC tag UID, and tenant credentials. All traffic uses TLS 1.2+. No third-party analytics or advertising SDKs are embedded. For organizations evaluating Sentry Shield for fleet deployment, contact your customer representative for technical onboarding, Jamf integration documentation, and pilot program enrollment. Requires iOS 18.5 or later. iPhone with NFC tag reading support required for production use; Demo Mode runs on any supported device.

Screenshots

D4 screens
Sentry Shield4 screens

Verdict

The call

The clearest difference is device support: D at 3 against Sentry Shield's 1. D also leads on iOS requirement (13 vs 18.5). On price, ads and in-app purchases 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.

Scorecard2 real differences · 8 level
D versus Sentry Shield: the parameters behind the verdict, then further details
ParameterDSentry Shield
PriceFreeFree
Rating2.9 (7 ratings) — better—
Positive reviews25.0% of reviews—
Number of ratings7 — better—
Update frequencyEvery 2 weeks—
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13 — better18.5
Further details — not scored
Size98 MB4 MB
Age rating17+4+
DeveloperShangHai Stoneoim Intelligent Technology Co.,LtdSentry Security

In-app purchases

None

D

No in-app purchases

None

Sentry Shield

No in-app purchases

Questions

Is D free?
D is free to download, with no in-app purchases.
Is Sentry Shield free?
Sentry Shield is free to download, with no in-app purchases.
Do D or Sentry Shield have ads?
Neither D nor Sentry Shield shows ads.

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