# BNL CAD Elog Viewer

> Read and edit electronic logbooks with authentication and advanced entry features. (iPhone/iPad app by Brookhaven Science Associates, LLC.)

- Source: https://appshunter.io/ios/app/bnl-cad-elog-viewer/id1400798479 (this page in markdown: same URL + `.md`)
- Developer: [Brookhaven Science Associates, LLC](https://appshunter.io/developer/1400798478)
- Category: Business
- Price: Free
- Rating: 4.75/5 from 4 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 12.0 · 10 MB
- Languages: English
- Released: 2018-07-24
- Data updated: 2026-06-01
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/bnl-cad-elog-viewer/id1400798479/reviews.md

## What is BNL CAD Elog Viewer?

This application can be used to read and edit electronic logbooks (elogs) used by the Collider-Accelerator Department at Brookhaven National Laboratory (BNL).  Note that proper authentication is required, even for reading.

Features include:
• select from any of the currently active elogs
• select and view a summary of each elog for any day
• view details of any elog entry
• zoom any screenshot or image
• add a comment to an existing entry
• send an email containing the contents of an entry
• add a new entry to any elog
• new entries support tags, titles, and images
• use TouchID or FaceID for authentication
• setup and use favorite and virtual elog lists
• use a Light or Dark theme, or use the system setting

## Key features

- Read and edit electronic logbooks
- View elog summaries and details
- Add new entries with tags and images
- Zoom screenshots and images
- Add comments to existing entries
- Email entry contents
- Biometric authentication

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/bnl-cad-elog-viewer/id1400798479/reviews.md

### 4/5 — Almost there...

*2019-01-05*

Virtual e-log works well, but I’m unable to add any e-logs to ‘Favorites’.

## Frequently asked questions about BNL CAD Elog Viewer

### What is BNL CAD Elog Viewer?

BNL CAD Elog Viewer is an application designed for reading and editing electronic logbooks (elogs) specifically used by the Collider-Accelerator Department at Brookhaven National Laboratory. It requires proper authentication for all functions.

### Can I use BNL CAD Elog Viewer offline?

The provided description does not specify offline capabilities. However, given the authentication requirement and potential for data synchronization, an internet connection might be necessary for full functionality.

### What devices support BNL CAD Elog Viewer?

BNL CAD Elog Viewer is available for iPhone, iPad, and iPod devices. It also supports Light or Dark themes, or can use the system's current setting.

### How often is BNL CAD Elog Viewer updated?

The latest version, 3.03, was last updated on September 23, 2025. The app was initially released on July 24, 2018, indicating regular updates over time.

### What is the age rating for BNL CAD Elog Viewer?

BNL CAD Elog Viewer has an age rating of 4+, making it suitable for a wide range of users. The app is free to download and use.

### Does BNL CAD Elog Viewer have ads?

No, BNL CAD Elog Viewer does not contain advertisements. The app is completely free to download and use without any ad interruptions.

### How does authentication work in BNL CAD Elog Viewer?

BNL CAD Elog Viewer utilizes TouchID or FaceID for secure authentication. Proper authentication is mandatory for all users, even when only reading logbook entries.

### What are the benefits of using BNL CAD Elog Viewer?

Users can select active elogs, view summaries and details of entries, add new entries with tags and images, zoom on visuals, and email entry contents. It also allows for favorite and virtual elog lists.

## Version history (last 5 releases)

### 3.03 — 2025-09-23

Updated to support latest OS.
Bug fixes.

### 3.02 — 2022-04-20

User preferences updated to address changes to backend server

### 3.01 — 2019-12-22

Minor bug fixes.

### 3.0 — 2019-12-10

• Support for iOS 13, including Dark Mode.
• A new Theme settings allows for and always on Light or Dark theme, or you can use the system setting.
• And a new Mac version of the app in the Mac App Store.

### 2.2 — 2019-04-25

The following changes have been made:
1) Emojis and other special characters can now be viewed in elog entries.  They can also be inserted when adding new entries.
2) In settings, you can now decide whether you want entry timestamps to be set using your local time zone or in the BNL (east coast) time zone.
3) Miscellaneous enhancements and bug fixes.

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## Related topics

[bnl cad elog viewer](https://appshunter.io/ios/topics/bnl-cad-elog-viewer)

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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 2026-06-01.*