# ElkLink Mobile vs Sentry BLE

The clearest difference is update cadence: Sentry BLE at every 6 weeks against ElkLink Mobile's every 22 months. Sentry BLE also leads on iOS requirement (13.1 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

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

ElkLink Mobile ships an update every 22 months, Sentry BLE every 6 weeks. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | ElkLink Mobile | Sentry BLE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.9 (14 ratings)](https://appshunter.io/ios/app/elklink-mobile/id1090049332/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 22.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 22 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 7 MB | 66 MB |
| Requires iOS | 15.6 | **13.1** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Elk Products Inc.](https://appshunter.io/developer/1090049331) | [Vision Metering](https://appshunter.io/developer/1567248925) |

## What reviewers say

### ElkLink Mobile

[App page](https://appshunter.io/ios/app/elklink-mobile/id1090049332)

Control your M1 Security System remotely. Arm, disarm, receive and respond to alarms, and review system history. Requires a compatible security system and user account.

**Highlights:** Arm and disarm system, Receive and respond to alarms, View recent system history, Basic system control, Remote access

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Sentry BLE

[App page](https://appshunter.io/ios/app/sentry-ble/id6752409845)

**In-app purchases:** none


## Frequently asked questions

### Is ElkLink Mobile free?

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

### Is Sentry BLE free?

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

### Do ElkLink Mobile or Sentry BLE have ads?

Neither ElkLink Mobile nor Sentry BLE shows ads.

### Which is updated more often, ElkLink Mobile or Sentry BLE?

ElkLink Mobile ships an update every 22 months, and Sentry BLE every 6 weeks. Most recently, ElkLink Mobile was updated on November 2, 2026 and Sentry BLE on October 30, 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.*