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52
BU Score
Solid

Z21 mobile

3.6 ✍️ Editor
✍️ BU Analytics Review

Z21 mobile is an Android app from Roco | Fleischmann | Z21 in the Entertainment category, currently rated 3.6★ across 1,484 ratings. Initial signal reads as mixed reviews — supporters praise core features while critics cite stability/value gaps.

Our BU Score puts it at 52Solid (established niche player). For a Entertainment app, that means established niche player.

Track changes month-over-month in the Performance section below — live snapshot history and revenue forecast included.

📊 Performance Tracking LIVE

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Rating
Reviews
Forecast Revenue / mo
Snapshots tracked
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💰 Forecast Revenue / mo

MODEL
Revenue forecast computed from BU's 234 trigger model on each snapshot. Calibrated against ground-truth from 58 verified-revenue apps.
🔬Forecast Breakdown — Why This Estimate?Top 3 of 3 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
Low install base (1,484 ratings)METRIC
+$1,500
Mature app (13y old)METRIC
+$1,500
Ad-supported / freemiumMETRIC
+$600
METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)

📈 Reviews Growth

LIVE
Cumulative review count from first BU snapshot. Each point = a tracked update.

⭐ Rating Trend

LIVE
Average rating evolution. Updates with each new review batch.

🗓️ Snapshot Timeline

HISTORY
Each bar shows a tracked update and the metric delta from the previous snapshot.
App Specs
🔐 Own this app? Claim & verify MRR →
🔖 v2.6.9🔄 updated 8y ago📂 Entertainment💰 Free💎 IAP $12.80 - $13.23 per item🚀 Launched 2012 (13y old)

📝 About this app

Use this app to connect to a Z21 Digital Center.
With this app you can manage locomotive libraries, locomotives and locomotive functions, program digital components and of course control all locomotives with DCC- or Motorola-decoder, as easy and convenient as is only possible with touch-technology.
The digital switchboard Z21 connects your model train unit and your digital locomotives with your Android device via WLAN. This way you can control the operation on your train layout easily and conveniently from your mobile device.

Model train control was never this easy and convenient: With one swipe of your hand you can scroll to your model of choice in the locomotive library. A slight touch on the headlight symbol and the front and backlights go on. A second touch, this time on the speaker symbol, and the locomotive makes a sound. Drag your finger over the speed indicator and the train accelerates.

The further highlights of the Z21-Mobile-App
- Control your entire layout with an intuitive, graphic interface and have easy access to the entire scope of functions of your digital locomotives.
- Manage your entire locomotive-library in just one application, including individual locomotive images for an ideal overview.
- Control the digital functions of your locomotives with intuitive function symbols instead of complicated key combinations.
- Download drivers cabs for even more reality
- Create locomotives, wagons, accessory and trains to drive with
- Place turnouts, turnout routes and notes on your track to interact with your railroad

Profile & Insights

Everything we know — and don't — about this app and its company.

Identification

App name
Z21 mobile
Developer
Roco | Fleischmann | Z21
Bundle ID
vivid.planet.roco
App Store URL
Open in App Store
Category
Entertainment
Content rating
Not found
Languages
Not found

Company

Website
www.z21.eu
Tagline
Not found
Description
Not found
Founded
Not found
HQ / Address
Not found
Employees
Not found
Logo
Not found

Revenue

Verified revenue / mo
Not found
AI revenue estimate / mo
Not found
AI annual estimate
Not found
ML model estimate / mo
$557/mo
Top-grossing rank
Not found
All-time revenue
Not found
Pricing
$12.80 - $13.23 per item

Founder

Name
Not found
X / Twitter
Not found
LinkedIn
Not found
GitHub
Not found
X followers
Not found
Public statements
Not found

Funding

Total raised
Not found
Last round
Not found
Investors
Not found
Crunchbase
Not found
AngelList
Not found

Press & Links

Articles found
Not found
Listed on
Not found
Blog
Not found
Press / News
Not found

Contacts & Socials

Socials
Not found
Email
Not found
Phone
Not found
Contact page
Not found
About page
Not found
📈Ratings growth1,484 ratings+-1% lifetimeShow 3-year history estimate ▾May 2023Dec 2024May 2026
Tracked (1 weeks) Pre-tracking estimate (37 weeks) · model-based, ±5% noise · anchored to release date and current value
Profile is built from iTunes Lookup + developer site scrape + ML revenue model. Empty fields show "Not found" — additional sources (Crunchbase, X, IndieHackers, Acquire.com) coming.

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