Comparison

UNI for Change vs Café Noir Studio

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

Head to head

About

UNI for Change

Features

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The UNI for Change app brings together members of organizations committed to sustainability into an international community that mobilizes to take action. JOIN an international community mobilizing for sustainability! Together, let's increase our positive impacts in favor of the planet and humans. PARTICIPATE with members of your establishment, business or organization. ACT by carrying out simple and fun activities --> challenges to adopt a more sustainable lifestyle --> field activities to act collectively --> solidarity activities to support local associations DISCOVER lots of information to understand the impact of human activities and the importance of each of us acting at our scale, individually or collectively. PLAY team up and win competitions! With your loved ones, form a team and combine your individual actions and impacts CELEBRATE the results by discovering the number of challenges completed as well as the number of kg of CO2 saved individually and with your organization!

About

Café Noir Studio

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Application dédiée à la prise de rendez-vous chez Café Noir Studio - Recevez des notifications pour ne pas oublier votre rendez-vous - Recevez des événements dans le calendrier pour ne pas oublier votre rendez-vous - Suivez votre historique de prestations - Suivez vos abonnements et forfaits - Suivez vos dépenses - Consultez vos points de fidélité et échangez-les contre des articles - Réservation de plusieurs services simultanés

Screenshots

UNI for Change4 screens

Café Noir Studio4 screens

Verdict

The call

The clearest difference is update cadence: UNI for Change at every 5 weeks against Café Noir Studio's every 9 months. Café Noir Studio's advantage is device support (3 vs 1). On price, ads, in-app purchases 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

UNI for Change ships an update every 5 weeks, Café Noir Studio every 9 months. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

Scorecard2 real differences · 4 level

UNI for Change versus Café Noir Studio: the parameters behind the verdict, then further details
Parameter	UNI for Change	Café Noir Studio
Price	Free	Free
Update frequency	Every 5 weeks — better	Every 9 months
Ads	No	No
In-app purchases	No	No
Devices	iPhone	iPhone, iPad, iPod — better
Requires iOS	16.6	15.1 — better
Further details — not scored
Size	65 MB	46 MB
Age rating	4+	4+
Developer	Université de Liège	STARAPP SISTEMAS LTDA ME

In-app purchases

None

UNI for Change

No in-app purchases

None

Café Noir Studio

No in-app purchases

Questions

Is UNI for Change free?

UNI for Change is free to download, with no in-app purchases.

Is Café Noir Studio free?

Café Noir Studio is free to download, with no in-app purchases.

Do UNI for Change or Café Noir Studio have ads?

Neither UNI for Change nor Café Noir Studio shows ads.

Which is updated more often, UNI for Change or Café Noir Studio?

UNI for Change ships an update every 5 weeks, and Café Noir Studio every 9 months. Most recently, UNI for Change was updated on November 4, 2026 and Café Noir Studio on October 30, 2026.