# LinkComm vs BOLLbox

The clearest difference is update cadence: LinkComm at every 2 months against BOLLbox's every 7 months. 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.

LinkComm ships an update every 2 months, BOLLbox every 7 months. The most recent releases landed on September 27, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | LinkComm | BOLLbox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/linkcomm/id590256859/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 7 months |
| Monetization | Free | — |
| Size | 114 MB | 29 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [OTT HydroMet Corp](https://appshunter.io/developer/1785982437) | [BOLL & KIRCH Filterbau GmbH](https://appshunter.io/developer/1673939850) |

## What reviewers say

### LinkComm

[App page](https://appshunter.io/ios/app/linkcomm/id590256859)

This application allows users to communicate with specific OTT HydroMet dataloggers and transmitters. It enables viewing current status, downloading logged data, changing device setups, and performing diagnostic actions.

**Highlights:** View current status and measurement data, Change device setup, Download and graph logged data, Perform diagnostics, Supports Satlink3, X-Link, ecoLog 1000, SensorLink 1000

**Features:** Vision Pro support

**In-app purchases:** none


### BOLLbox

[App page](https://appshunter.io/ios/app/bollbox/id6445814925)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is LinkComm free?

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

### Is BOLLbox free?

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

### Do LinkComm or BOLLbox have ads?

Neither LinkComm nor BOLLbox shows ads.

### Which is updated more often, LinkComm or BOLLbox?

LinkComm ships an update every 2 months, and BOLLbox every 7 months. Most recently, LinkComm was updated on September 27, 2026 and BOLLbox on October 10, 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.*