# Tachomaster Worker vs CdMR

The clearest difference is ads: Tachomaster Worker at none against CdMR's shown. Tachomaster Worker also leads on review sentiment (23% vs 0%) and update cadence (every 5 months vs every 14 months). CdMR's advantage is iOS requirement (12.0 vs 16.6). On price, 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.

Tachomaster Worker ships an update every 5 months, CdMR every 14 months. The most recent releases landed on September 21, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Tachomaster Worker | CdMR |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **22.9% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 5 months** | Every 14 months |
| Monetization | **Free** | Ad-supported |
| Size | 34 MB | 7 MB |
| Requires iOS | 16.6 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Road Tech Computer Systems Ltd.](https://appshunter.io/developer/740517139) | [Solvent LTD](https://appshunter.io/developer/1451540845) |

## What reviewers say

### Tachomaster Worker

[App page](https://appshunter.io/ios/app/tachomaster-worker/id740517136)

This application allows non-tachograph workers to log in and out of work in real-time. It enables users to manage their work status, breaks, and periods of availability. The app also provides access to recent tachograph data, working patterns, and shift details.

**Highlights:** Real-time sign-in and sign-out, Manage work, breaks, and availability, Set 'out of office' status, View tachograph rest, drive, and work data, Access WTD Reference Period and Working Pattern, Review recent shifts and infringements

**Features:** macOS Compatibility

**In-app purchases:** none


### CdMR

[App page](https://appshunter.io/ios/app/cdmr/id1457896128)

This utility app allows drivers to check the status of containers and trailers for Cobelfret locations. It provides real-time information on readiness for collection at various ports.

**Highlights:** Check container status, Check trailer status, Cobelfret location updates, Real-time readiness information, Supports multiple ports

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Tachomaster Worker free?

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

### Is CdMR free?

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

### Do Tachomaster Worker or CdMR have ads?

CdMR shows ads; Tachomaster Worker does not.

### Which is updated more often, Tachomaster Worker or CdMR?

Tachomaster Worker ships an update every 5 months, and CdMR every 14 months. Most recently, Tachomaster Worker was updated on September 21, 2026 and CdMR on September 19, 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.*