# Titan HST vs DVR Calculator

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.

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.

## The numbers

| Metric | Titan HST | DVR Calculator |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [3.9 (59 ratings)](https://appshunter.io/ios/app/titan-hst/id855732889/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/dvr-calculator/id6769927835/reviews)** |
| Number of ratings | **59** | 1 |
| Positive reviews | 77.8% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Monetization | **Free** | Paid |
| Size | 133 MB | 2 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Titan Health & Security Technologies, Inc.](https://appshunter.io/developer/867931190) | [LTR Ventures LLC](https://appshunter.io/developer/1894518586) |

## What reviewers say

### Titan HST

[App page](https://appshunter.io/ios/app/titan-hst/id855732889)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### DVR Calculator

[App page](https://appshunter.io/ios/app/dvr-calculator/id6769927835)

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.

**Highlights:** DVR and CCTV time offset calculations, Corrected timestamp conversion, Save calculations locally, Organize entries by address, Quick access to previous calculations, Investigator-focused workflow

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Titan HST free?

Titan HST is free to download, with no in-app purchases.

### Is DVR Calculator free?

DVR Calculator costs $0.99, with no in-app purchases.

### Which has better reviews, Titan HST or DVR Calculator?

DVR Calculator is rated higher. Titan HST averages 3.9 out of 5 from 59 ratings, while DVR Calculator averages 5.0 from 1 ratings.

### Do Titan HST or DVR Calculator have ads?

Neither Titan HST nor DVR Calculator shows ads.

### Which is updated more often, Titan HST or DVR Calculator?

Titan HST ships an update every 6 weeks, and DVR Calculator every 3 months. Most recently, Titan HST was updated on October 23, 2026 and DVR Calculator on October 9, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*