Titan HST vs DVR Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Titan HST
This app facilitates rapid communication during emergencies by allowing users to send alerts with GPS coordinates, text, audio, and photos. Administrators can initiate lockdowns, manage user safety status, and communicate directly with users through various channels.
- Send alerts with GPS, text, audio, and photos
- Initiate organization-wide lockdowns
- Group chat and audio communication
- Real-time user safety status updates
- Live audio and video streaming
- Geofenced notifications
- Export alerts and messages
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A comprehensive emergency alert system & mass notifications system, suitable for businesses, governments and schools. The software platform allows administrators, organizational users and emergency personnel to communicate emergency information – increasing information dissemination and reducing emergency response time. In an alert, users can communicate relevant emergency information, including their GPS coordinates, text, audio, and photo information as well as classify the type of emergency. In addition, users have the ability to chat with administrators and emergency personnel and share a live audio connection. Administrators and emergency personnel receive emergency alerts via a push notification, and can communicate directly with users. Users can also be notified of emergency incidents trigged by users on-campus or off-campus, as each site is geofenced to ensure the respective parties receive the critical, timely, emergency alert notifications. Features: • Ability for users to communicate alerts & GPS coordinates to administrators and law enforcement within their organization. • Ability for administrators to initiate an organization wide lockdown, reaching users, and law enforcement in record time - notifications received via SMS & email. • Group communication between users, administrators and or law enforcement, via group chat portal, group audio portal and one-way video stream. • Ability for administrators and law enforcement to survey the emergency status of an organizations users, enabling said administrators with the emergency status & location of each user apart of the organization; users simply update a safety status request, which can be done in the mobile application or via SMS. Users can view location via Augmented Reality map view, or standard hybrid and satellite - tapping on the pin enables users to call or text said user. • Administrators and law enforcement can view previous alerts, alert messages & location initiated by organizational users. • Ability for all users to immediately receive specific emergency broadcast messages & photo's from administrators and law enforcement - notifications received via SMS & email. Additionally, ability for all users to respond back to broadcast notifications via SMS reply, furthering bi-directional dialogue in a mass broadcast notification scenario; all users can also comment on broadcast notifications, viewable by administrators. • Ability for users to upload site specific emergency materials; ability for all users to view site specific emergency materials. • Ability for users to export alerts, messages, and broadcast messages with text & photo. • Apple Watch App enables users to view ongoing alerts and broadcast notifications. • Web application supports above-mentioned features; the platform is regularly exercised to handle thousands of incoming and outgoing alerts, chat and broadcasts in the event of a large scale incident.
DVR Calculator
This tool assists investigators in calculating accurate timestamps from surveillance footage, correcting discrepancies often found in DVR and CCTV systems. It allows users to save and organize calculations by address for efficient evidence review and tracking across multiple locations.
- DVR and CCTV time offset calculations
- Corrected timestamp conversion
- Save calculations locally
- Organize entries by address
- Quick access to previous calculations
- Investigator-focused workflow
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DVR Calculator is a practical investigative utility designed for detectives, investigators, and security professionals working with surveillance video and DVR systems. Surveillance systems often display incorrect timestamps, making accurate video timelines difficult during investigations. DVR Calculator helps quickly calculate corrected times, determine offsets, and maintain organized records while conducting video canvasses and evidence review. Unlike basic time calculators, DVR Calculator also allows investigators to save calculations locally and organize entries by address, making it easier to track multiple locations and revisit previous calculations during ongoing investigations. Features include: • DVR and CCTV time offset calculations • Corrected timestamp conversion • Save calculations locally on device • Organize and sort entries by address • Quick access to previous calculations • Fast, investigator-focused workflow • Useful for CCTV, DVR, NVR, and exported surveillance footage • Streamlined interface designed for field and investigative use Built specifically for real-world investigative and surveillance review workflows.
Screenshots
Verdict
The clearest difference is price: Titan HST at Free against DVR Calculator's $0.99. Titan HST also leads on ratings volume (59 vs 1) and update cadence (every 6 weeks vs every 3 months). DVR Calculator's advantage is rating (5.0 vs 3.9) and review sentiment (100% vs 78%). On ads, 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
Titan HST is free to download; DVR Calculator costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
DVR Calculator holds the better App Store score, 5.0 against 3.9. That said, the two scores are not equally well evidenced: Titan HST has 59 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 78% of Titan HST's written reviews are positive against 100% of DVR Calculator's.
Titan HST ships an update every 6 weeks, DVR Calculator every 3 months. The most recent releases landed on October 23, 2026 and October 9, 2026 respectively.
| Parameter | Titan HST | DVR Calculator |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 3.9 (59 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 77.8% of reviews | 100.0% of reviews — better |
| Number of ratings | 59 — better | 1 |
| Update frequency | Every 6 weeks — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 16.0 |
| Further details — not scored | ||
| Size | 133 MB | 2 MB |
| Age rating | 12+ | 4+ |
| Developer | Titan Health & Security Technologies, Inc. | LTR Ventures LLC |
Customer experience
Titan HST
DVR Calculator
In-app purchases
Titan HST
No in-app purchases
DVR Calculator
No in-app purchases
Questions
Is Titan HST free?
Is DVR Calculator free?
Which has better reviews, Titan HST or DVR Calculator?
Do Titan HST or DVR Calculator have ads?
Which is updated more often, Titan HST or DVR Calculator?
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