Comparison

Metryx vs RailControl Unit

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Metryx

Features
Read full description

Metryx makes it easy to track your electricity, water, gas and other meter readings in one simple and reliable app. Add readings in seconds, follow your consumption trends over time, and view clear graphs that help you understand and manage your resource usage. Metryx automatically estimates your annual consumption based on your historical readings, giving you a helpful indication of long-term usage patterns. Readings are validated instantly, so incorrect or impossible values are detected before they are saved. Whether you want to track household utilities, heating, car mileage, fuel, or any other resource, Metryx provides a clean and intuitive interface designed for everyday use. Features: • Track readings for any type of meter • Clear consumption charts and trends • Automatic annual usage estimation • Smart validation prevents incorrect entries • Supports many units (kWh, m³, liters, km and more) • Unlimited meters • CSV export • Privacy-friendly — your data stays on your device and iCloud • Available in 16 languages Free version: Up to 30 total readings Upgrade: Unlock unlimited readings across all meters

About

RailControl Unit

Features
Read full description

Transform your iPhone or iPad into a retro-inspired model train controller. RailControl Unit connects wirelessly to your Märklin CS2 or CS3, giving you control over your locomotives and accessories. Fun Retro Control Experience Designed to mirror the look and feel of the Märklin Control Unit of the eighties and nineties, you're controlling your model trains the way they were meant to be controlled back in the day. Multiple Module Support - Control Unit – Your main locomotive controller with speed slider, direction control, and function buttons - Control 80 f – Add up to 9 additional controllers for multi-train operation - Keyboard – Switch turnouts and control accessories with up to 16 keyboard modules - Transformer – Just for fun, because every lay out needs it Key Features - Imitates the workings of the Märklin digital system to the smallest detail - Connect via your local network to your Märklin Central Station - Support for MM, MFX, and DCC decoder protocols for both locs and accessories - Real-time speed and direction control - Function buttons F0-F4 for lights and sounds - Stop/Go button on Control Unit and Control 80 f Multi-Platform Use RailControl Unit on iPhone for handheld control or on iPad for a larger view. Free to Try The Control Unit module is free forever. Unlock all additional modules with a single one-time purchase – no subscriptions. Requires a Märklin Central Station 2 or Central Station 3 with network connectivity. Märklin and Central Station are trademarks of Gebr. Märklin & Cie GmbH, registered in the U.S. and other countries. RailControl Unit is not affiliated in any way with Gebr. Märklin & Cie GmbH.

Screenshots

Metryx3 screens
RailControl Unit4 screens

Verdict

The call

The clearest difference is price: RailControl Unit at Free against Metryx's $0.99. Metryx's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

RailControl Unit is free to download; Metryx costs $0.99 up front. RailControl Unit sells 1 one-off in-app purchase. Metryx asks for nothing beyond the download.

Scorecard2 real differences · 4 level
Metryx versus RailControl Unit: the parameters behind the verdict, then further details
ParameterMetryxRailControl Unit
Price$0.99Free — better
Update frequencyEvery 3 weeks—
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.6 — better18.5
Further details — not scored
Size1 MB5 MB
Age rating4+4+
DeveloperFLEMMING THOR HANSENBoterham

In-app purchases

None

Metryx

No in-app purchases

1 purchases

RailControl Unit

One-time1
  • Unlock All Modules$2.99

Questions

Is Metryx free?
Metryx costs $0.99, with no in-app purchases.
Is RailControl Unit free?
RailControl Unit is free to download, with in-app purchases available.
Do Metryx or RailControl Unit have ads?
Neither Metryx nor RailControl Unit shows ads.

Other comparisons