# Sentinel vs Board Intel

The clearest difference is review sentiment: Board Intel at 75% against Sentinel's 10%. Board Intel also leads on update cadence (every 3 weeks vs every 4 months). Sentinel's advantage is iOS requirement (13.0 vs 18.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Sentinel ships an update every 4 months, Board Intel every 3 weeks. The most recent releases landed on June 8, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Sentinel | Board Intel |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/board-intel/id708971629/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 9.8% of reviews | **75.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 6 MB | 120 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Reference Point Limited](https://appshunter.io/developer/662867085) | [Board Intelligence](https://appshunter.io/developer/708971632) |

## What reviewers say

### Sentinel

[App page](https://appshunter.io/ios/app/sentinel/id662867082)

Access and verify Network Rail Sentinel smartcards. Check your own card details or authenticate team members and conduct spot checks. Works online for real-time data or offline for card access and stored check history.

**Highlights:** Read Sentinel smartcards via NFC, Scan QR codes for card data, Verify cardholder information, Authenticate team members, Perform spot checks, Check TVPs (Track Vacancy Permits), Offline access to card data

**In-app purchases:** none


### Board Intel

[App page](https://appshunter.io/ios/app/board-intel/id708971629)

This app offers a secure and intuitive platform for reading and annotating digital board papers. It combines familiar paper-like functionality with advanced technology, allowing for easy searching, annotation, and real-time collaboration. Security is a top priority, with robust measures in place to protect sensitive documents.

**Highlights:** Secure document reading, Annotation tools, Real-time collaboration, Note sharing, Easy search functionality, Familiar interface

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Sentinel free?

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

### Is Board Intel free?

Board Intel is free to download, with no in-app purchases.

### Do Sentinel or Board Intel have ads?

Neither Sentinel nor Board Intel shows ads.

### Which is updated more often, Sentinel or Board Intel?

Sentinel ships an update every 4 months, and Board Intel every 3 weeks. Most recently, Sentinel was updated on June 8, 2026 and Board Intel on September 24, 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.*