| Our rankings

  • Greenspector efficiency

    Urban transports applications ranking (2018)

    This white book presents the smartphone's battery life impacts of the energy consumption of French urban transport applications

    Language : French

  • Greenspector efficiency

    Fashion M-Commerce ranking (2018)

    Can we fill our dressing room without emptying our battery? There are real quality differences between applications. Some consume up to 3 times more battery than others, for the same user scenario. Discover our complete list of 16 Fashion M-Commerce applications among the most used in France

    Language : French - Soon available in English

  • Greenspector efficiency

    Hotel reservation - M-Tourisme ranking (2018)

    To book my vacation, I want efficiency! We have chosen to study 10 comparison and hotel reservation applications that are representative of the M-Tourisme uses of French users.

    Language: French - English


| Our customers success

  • Arkea
    ARKEA: A lighter banking application
  • Tan
    ATOS: More battery life on the field
  • Grand débat
    NANTES METROPOLE: A website labeled for its ecodesign

| Customers testimonies

    • Smart Mobility Manager
    • Atos
    ATOS has developed an Android app for a large public payer for which Greenspector identified potential energy gains. This has the consequence of increasing the autonomy of the phone that is running the application, plus te autonomy went from 3 H to 11 H autonomy equivalent functionalities.
    • COSMO project Technical Director
    • SNCF
    GREENSPECTOR has focused precisely on the applications consumption points in various usage configurations and has proposed ways to improve and save energy. This allowed us to choose the terminal best suited to the actual needs of the onboard chief.

To learn more about these specific cases

Contact us

| White books

  • Greenspector efficiency

    WHITE PAPER: Improving the efficiency and performance of an Android system application

    The GREENSPECTOR team has been asked by a customer to help optimizing an Android core application. The final goal was to either reduce the energy consumption of the app, or improve its performance, or both. The team has succeeded in a very short time frame, and above all they have shown that it was possible to go way further.

    Language: English

    Author: Olivier PHILIPPOT

  • Greenspector efficiency

    WHITE PAPER: Methodological guide to software LCA

    Issues and objectives of a LCA (Software Life Cycle Analysis), specificities according to the products and evaluation of the relevant indicators. Also includes a real case study on an Orange app

    Languages: English & French

    Authors: Elisabeth DECHENAUX, Thierry LEBOUCQ, Olivier PHILIPPOT, Marc VAUTIER


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