# DVR Calculator — Time Calculator for DVRs

> Investigative utility for calculating and correcting DVR/CCTV timestamps. (iPhone/iPad app by LOUIS T RABIN.)

- Source: https://appshunter.io/ios/app/dvr-calculator/id6769927835 (this page in markdown: same URL + `.md`)
- Developer: [LOUIS T RABIN](https://appshunter.io/developer/1894518586)
- Category: Utilities, Productivity
- Price: $0.99
- Rating: 5.00/5 from 1 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 16.0 · 2 MB
- Languages: American English
- Released: 2026-06-10
- Data updated: 2026-08-15
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/dvr-calculator/id6769927835/reviews.md

## What is DVR Calculator?

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.

## Key features

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

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/dvr-calculator/id6769927835/reviews.md

### 5/5 — Works great

*2026-06-26*

Really helps for in the field work

## Frequently asked questions about DVR Calculator

### What is DVR Calculator used for?

DVR Calculator is a utility designed for investigators to accurately calculate corrected timestamps from surveillance video and DVR systems, helping to resolve discrepancies in recorded times.

### Does DVR Calculator have ads?

No, DVR Calculator does not contain advertisements, providing an uninterrupted experience for users.

### How much does DVR Calculator cost?

DVR Calculator is a paid application, priced at $0.99.

### What devices is DVR Calculator available on?

DVR Calculator is available for iPhone and iPad devices.

### How does DVR Calculator help with investigations?

It helps investigators by quickly calculating corrected times, determining offsets, and organizing entries by address, making it easier to track multiple locations and revisit previous calculations.

### Is DVR Calculator suitable for field use?

Yes, DVR Calculator features a streamlined interface designed for field and investigative use, allowing for fast workflows and quick access to previous calculations.

### What is the age rating for DVR Calculator?

DVR Calculator has an age rating of 4+, making it suitable for a wide range of users.

### How often is DVR Calculator updated?

The latest version is 1.0, and it was last updated on June 11, 2026, indicating recent development and support.

## Version history (last 1 release)

### 1.0 — 2026-06-11

No release notes.

## More apps by LOUIS T RABIN

- [Camera Canvass](https://appshunter.io/ios/app/camera-canvass/id6762521853)

All apps by LOUIS T RABIN: https://appshunter.io/developer/1894518586

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-15.*