# Sentry Interactive vs MTools BLE RFID Reader

The clearest difference is review sentiment: MTools BLE RFID Reader at 75% against Sentry Interactive's 13%. MTools BLE RFID Reader also leads on rating (3.8 vs 2.6) and update cadence (every 4 days vs every 3 weeks). Sentry Interactive's advantage is in-app purchases (none vs 1). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. MTools BLE RFID Reader sells 1 one-off in-app purchase. Sentry Interactive asks for nothing beyond the download.

MTools BLE RFID Reader holds the better App Store score, 3.8 against 2.6. Both are backed by a comparable volume of ratings — 14 and 17 respectively. Written reviews point the same way: 13% of Sentry Interactive's written reviews are positive against 75% of MTools BLE RFID Reader's.

Sentry Interactive ships an update every 3 weeks, MTools BLE RFID Reader every 4 days. The most recent releases landed on August 30, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Sentry Interactive | MTools BLE RFID Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.6 (14 ratings)](https://appshunter.io/ios/app/sentry-interactive/id1164433305/reviews) | **[3.8 (17 ratings)](https://appshunter.io/ios/app/mtools-ble-rfid-reader/id1531345398/reviews)** |
| Number of ratings | 14 | **17** |
| Positive reviews | 13.3% of reviews | **75.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 43 MB | 50 MB |
| Requires iOS | 15.5 | **15.0** |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Doordeck Limited](https://appshunter.io/developer/1115161254) | [MTools Tec Co., Ltd](https://appshunter.io/developer/1531056218) |

## What reviewers say

### Sentry Interactive

[App page](https://appshunter.io/ios/app/sentry-interactive/id1164433305)

This app allows you to access your office or building with your iPhone or Apple Watch. Share access with others easily and securely using bank-level encryption. Multiple convenient unlock methods are available for quick entry.

**Highlights:** Tap to unlock office access, Share access with email, Apple Watch integration, 2-factor bank-level encryption, Convenient unlock methods, Real-time insights

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### MTools BLE RFID Reader

[App page](https://appshunter.io/ios/app/mtools-ble-rfid-reader/id1531345398)

This application allows users to read and write data to various NFC tags using compatible BLE devices. It offers advanced features for managing and editing tag data, including UID manipulation and firmware upgrades for supported hardware.

**Highlights:** Read and write NFC tags, Mifare Classic and Ultralight support, UID changer for magic cards, Tag dump editor, ChameleonUltra device management, Firmware upgrades, Tag scanner and ID logger

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MTools Premium | $8.99 | one-time |


## Frequently asked questions

### Is Sentry Interactive free?

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

### Is MTools BLE RFID Reader free?

MTools BLE RFID Reader is free to download, with in-app purchases available.

### Which has better reviews, Sentry Interactive or MTools BLE RFID Reader?

MTools BLE RFID Reader is rated higher. Sentry Interactive averages 2.6 out of 5 from 14 ratings, while MTools BLE RFID Reader averages 3.8 from 17 ratings.

### Do Sentry Interactive or MTools BLE RFID Reader have ads?

Neither Sentry Interactive nor MTools BLE RFID Reader shows ads.

### Which is updated more often, Sentry Interactive or MTools BLE RFID Reader?

Sentry Interactive ships an update every 3 weeks, and MTools BLE RFID Reader every 4 days. Most recently, Sentry Interactive was updated on August 30, 2026 and MTools BLE RFID Reader on September 20, 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.*