# DeviceLINK vs Keyshield

The clearest difference is in-app purchases: DeviceLINK at none against Keyshield's 2. DeviceLINK also leads on iOS requirement (8.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Keyshield sells 2 in-app purchases, starting at $2.99 per month. DeviceLINK asks for nothing beyond the download.

DeviceLINK ships an update every 10 months, Keyshield every 8 months. Both last shipped on October 8, 2026.

## The numbers

| Metric | DeviceLINK | Keyshield |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (3 ratings)](https://appshunter.io/ios/app/devicelink-bluetooth-interface/id1464642345/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 8 months** |
| Monetization | Free | — |
| Size | 62 MB | 23 MB |
| Requires iOS | **8.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Auburn FilterSense LLC](https://appshunter.io/developer/1464642344) | [Sahil Chaddha](https://appshunter.io/developer/1695364563) |

## What reviewers say

### DeviceLINK

[App page](https://appshunter.io/ios/app/devicelink-bluetooth-interface/id1464642345)

This application connects to specific particulate monitors and leak detectors via Bluetooth. It allows for remote operation, configuration, and data export. Users can monitor readings, analyze alarms, and generate reports without direct physical access to the instrument.

**Highlights:** Remote commissioning and daily operation, Basic setup and advanced functions, Monitor readings and configure settings, Export process data, View process trends, Advanced Alarm Analyzer, Generate device health reports

**Features:** macOS Compatibility

**In-app purchases:** none


### Keyshield

[App page](https://appshunter.io/ios/app/keyshield-password-manager/id6450863267)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $2.99 | per month |
| Premium Annual | $24.99 | per year |


## Frequently asked questions

### Is DeviceLINK free?

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

### Is Keyshield free?

Keyshield is free to download, with in-app purchases available.

### Do DeviceLINK or Keyshield have ads?

Neither DeviceLINK nor Keyshield shows ads.

### Which is updated more often, DeviceLINK or Keyshield?

DeviceLINK ships an update every 10 months, and Keyshield every 8 months. Most recently, DeviceLINK was updated on October 8, 2026 and Keyshield on October 8, 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.*