Numismatic Catalog

Numismatic Catalog | Portugal

Application to manage collections of coins from the Portuguese Republic. The target audience of this app are numismatists.

This app presents a catalogue of restricted coins from the Portuguese Republic divided in First Republic (until 1940), Second Republic (dividing the period in 2 phases: until 1969 and 1986), the new system and commemoratives.

The user can keep a list of his own collection and consult information about the same, as specific information of each currency anywhere, including fairs and events where they can negotiate/trade coins.

The application works offline.

Project Details

Date: June 2012

Location: Coimbra, Portugal


other projects


Público 2016

20 Manual



Victron Energy

AMC Navigation

about me

Hi there! I'm Ryan Amaral. I am an enthusiastic Android developer currently working as freelancer. I took my Bachelor of Engineering in Computer Science degree in Coimbra, Portugal. In 2012 I developed my first own Android app and in only 4 months it reached the mark of 1 million downloads. Working on new ideas is my greatest passion! While crafting applications I apply the best practices of mobile development and the principles of material design.

social links

currently based

Lisbon, Portugal