Sentry Interactive vs ZeroAuth
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sentry Interactive
This app allows you to access your office or building with your iPhone or Apple Watch. Share access with others easily and securely using bank-level encryption. Multiple convenient unlock methods are available for quick entry.
- Tap to unlock office access
- Share access with email
- Apple Watch integration
- 2-factor bank-level encryption
- Convenient unlock methods
- Real-time insights
Read full descriptionHide full description
Never worry about losing or forgetting your physical keycard or fob again, with Sentry Interactive you can store all your digital keys for multiple buildings in one place and unlock doors faster and more securely than ever using the Sentry Interactive iOS app. Designed for reliability, speed, and ease of use whether unlocking a single door or accessing multiple sites. With a simple UI design, lightning fast launch speeds, and high security and stability levels, users can unlock doors in less than 0.5 seconds using NFC tap-to-unlock technology, QR code scan, or using our iOS Widget. Access the Sentry Interactive app instantly via background NFC by simply tapping the NFC Smart Access Tile next to the door you wish to unlock. This will take you directly to the app, where you can unlock the door. Mobile credentials stored in the Sentry Interactive app are encrypted at rest and adhere to NIST cybersecurity best practices. Don’t have the Sentry Interactive mobile access software integrated with the access control systems in your buildings yet? Get in touch or find out more at https://sentryinteractive.com
ZeroAuth
Read full descriptionHide full description
ZeroAuth is a privacy-first authenticator app designed to keep your accounts safe without compromising your data. Generate secure one-time passwords (OTP) for all your accounts in one place. ZeroAuth is built with a strong focus on local security, meaning your sensitive data never leaves your device. Security First 1. Biometric authentication 2. Secure PIN protection 3. Automatic app lock after inactivity 4. Screenshot protection to prevent data leaks 5. Sensitive actions are protected in real time Simple & Fast 1. Scan QR codes instantly to add accounts 2. Clean, distraction-free interface 3. Quick OTP copy to clipboard 4. Smooth and responsive experience Built for Privacy 1. No tracking 2. No ads 3. No unnecessary permissions 4. Data processed locally on your device 5. No cloud dependency by default Backup & Restore 1. Export accounts securely via QR 2. Restore easily when switching devices 3. Designed to keep you in control of your data Why ZeroAuth? Unlike many authenticator apps, ZeroAuth focuses on real-world security: Prevents screenshots of sensitive data Locks instantly when needed Uses device-level security wherever possible Your accounts deserve more than just codes; they deserve protection. Start securing your digital life with ZeroAuth - An Optional Labs Group Security Product.
Screenshots
Verdict
The clearest difference is iOS requirement: Sentry Interactive at 15.5 against ZeroAuth's 18.0. On price, update cadence, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Sentry Interactive ships an update monthly, ZeroAuth every 5 weeks. The most recent releases landed on September 30, 2026 and September 13, 2026 respectively.
| Parameter | Sentry Interactive | ZeroAuth |
|---|---|---|
| Price | Free | Free |
| Rating | 2.6 (14 ratings) — better | — |
| Positive reviews | 13.3% of reviews | — |
| Number of ratings | 14 — better | — |
| Update frequency | Monthly — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod, Apple Watch — better | iPhone, iPad |
| Requires iOS | 15.5 — better | 18.0 |
| Further details — not scored | ||
| Size | 44 MB | 80 MB |
| Age rating | 4+ | 4+ |
| Developer | Doordeck Limited | Chandan Kumar Dash |
In-app purchases
Sentry Interactive
No in-app purchases
ZeroAuth
No in-app purchases
Questions
Is Sentry Interactive free?
Is ZeroAuth free?
Do Sentry Interactive or ZeroAuth have ads?
Which is updated more often, Sentry Interactive or ZeroAuth?
Other comparisons















