# POST KEY vs Linkmeter

The clearest difference is update cadence: Linkmeter at every 2 days against POST KEY's every 3 months. POST KEY's advantage is iOS requirement (12.0 vs 14.0). 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.

POST KEY ships an update every 3 months, Linkmeter every 2 days. The most recent releases landed on September 13, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | POST KEY | Linkmeter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/post-key/id1614805094/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 160 MB | 23 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [POST LTD, OOO](https://appshunter.io/developer/1614805096) | [TRILAIN, OOO](https://appshunter.io/developer/1838707642) |

## What reviewers say

### POST KEY

[App page](https://appshunter.io/ios/app/post-key/id1614805094)

Control access to your property, view security cameras, and manage smart home devices remotely. This application provides real-time monitoring and control over intercoms, gates, and home automation systems.

**Highlights:** Intercom call reception, Gate and barrier control, Real-time camera viewing, Video archive access, Smart home device management

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

**In-app purchases:** none


### Linkmeter

[App page](https://appshunter.io/ios/app/linkmeter/id6752296052)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is POST KEY free?

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

### Is Linkmeter free?

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

### Do POST KEY or Linkmeter have ads?

Neither POST KEY nor Linkmeter shows ads.

### Which is updated more often, POST KEY or Linkmeter?

POST KEY ships an update every 3 months, and Linkmeter every 2 days. Most recently, POST KEY was updated on September 13, 2026 and Linkmeter on September 14, 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.*