# Sentinel vs CheckedSafe

The clearest difference is review sentiment: CheckedSafe at 50% against Sentinel's 10%. Sentinel's advantage is monetization model (free vs free with in-app purchases) and iOS requirement (13.0 vs 15.6). On price, update cadence, ads and in-app purchases 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, CheckedSafe every 6 months. The most recent releases landed on June 8, 2026 and July 17, 2026 respectively.

## The numbers

| Metric | Sentinel | CheckedSafe |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 9.8% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 6 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 6 MB | 19 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Reference Point Limited](https://appshunter.io/developer/662867085) | [Paragus Limited](https://appshunter.io/developer/1773796754) |

## 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


### CheckedSafe

[App page](https://appshunter.io/ios/app/checkedsafe/id933639507)

This app digitizes daily vehicle walk-around checks, replacing paper-based systems with a user-friendly mobile interface and a cloud-based back office. It ensures legal compliance, provides auditable records, and promotes best practices for driver and company protection.

**Highlights:** Digital walk-around checks, Legally defensible records, Cloud-based management system, Offline app functionality, Date, time, and location stamping, PDF and Excel reporting

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sentinel free?

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

### Is CheckedSafe free?

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

### Do Sentinel or CheckedSafe have ads?

Neither Sentinel nor CheckedSafe shows ads.

### Which is updated more often, Sentinel or CheckedSafe?

Sentinel ships an update every 4 months, and CheckedSafe every 6 months. Most recently, Sentinel was updated on June 8, 2026 and CheckedSafe on July 17, 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.*