Ferrum is made and published by Koldus. AppBrain is an independent app data site and isn't affiliated with Koldus. The app name, icon, screenshots and description belong to Koldus and are shown as published on Google Play.
AppBrain's verdict
Niche- Total installs
- 140
- Last updated
- October 12, 2026
Ferrum is a niche app, with 140 installs. It doesn't have enough ratings yet to judge what users think.
Installs
Tracked by AppBrain- Last 30 days
- 5
- Play install range
- 100+
- Launched
- April 2026
Installs over time
Ferrum has been installed 140 times. Over the past 30 days, it has been installed 5 times.
Rankings
Google Play top chartsGoogle Play Rankings for Ferrum
Competitors
Similar apps and more from KoldusAlternatives to Ferrum
Releases
Updates seen on Google Play- Version
- 2.9.4
- Launched
- April 2026
User feedback
Ratings and reviews on Google PlayComments on Ferrum for Android
We don't have enough comments to show example comments. Please check back later.
Technology
Found in the app by AppBrain- Ads
- No ads
- Price
- Free
- Libraries
- ?
- App size
- 119.6 MB
- Content rating
- Everyone
Technologies used by Ferrum
About the app and developer
About Ferrum
Ferrum is a health & fitness app developed by Koldus.
How many times has Ferrum been installed?
Ferrum has been installed 140 times. In the last 30 days, the app was installed 5 times.
What is the rating of Ferrum?
Ferrum has no ratings yet.
Is Ferrum free?
Ferrum is free. The app size is 119.57 MB. The latest version available is 2.9.4. The last update was on October 12, 2026.
What are the requirements for Ferrum?
The app has a content rating of Everyone. The app has been available on Google Play since April 2026.
App Performance Report
Get a detailed PDF report for Ferrum with download trends, rating history, and key performance statistics — useful for competitive research or tracking your own app. Learn more
Get PDF Report — $29Developer information for Koldus
Frequently asked questions about Ferrum
Is Ferrum free?
Yes. Ferrum is free on Google Play.
Is Ferrum still available?
Yes. Ferrum is on Google Play, and the last update we saw was on October 12, 2026.
Does Ferrum contain ads?
No. Google Play does not list Ferrum as containing ads.
How large is Ferrum?
Ferrum is 119.57 MB.
Is Ferrum suitable for children?
Google Play rates the content of Ferrum as suitable for everyone.
How many times has Ferrum been installed?
Google Play lists 100+ installs for Ferrum.
Who made Ferrum?
Ferrum was developed by Koldus. It is listed in the health & fitness category on Google Play.
What are the best alternatives to Ferrum?
People looking at Ferrum also look at these health & fitness apps: Reps - Workout Tracker Gym Log, Lift4Fit Gym Workout Tracker, Lifting Lindsay, Gravl: AI Personal Trainer, World Of Lifting.
Store listing
By Koldus, from Google Play“Workout journal for sets, records, statistics, goals and body measurements.”
Description by Koldus Written by the developer, not by AppBrain. Click to read.
Recent changes:
Workout logging is now clearer: exercise details stay in one row, weight and reps fields have matching sizes, and guidance is kept in one place. We also fixed appearance settings, Save and continue, and improved feedback while changes are being saved.