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Mobile App Growth & ASO Agency

We are a team of data-driven mobile marketing experts committed to growing your app’s success through profitable user acquisition, retention, and monetization. Our approach combines performance marketing, creative insight, and deep technical know-how to deliver sustainable growth. Here's how we help:
🚀 App Launch. Your app’s first impression is everything. We help you plan and execute a high-impact launch strategy to maximize visibility and installs from day one. From market research to channel testing and pre-launch buzz. 
➡️ Onboarding & Paywall Optimization. Converting users starts with a seamless onboarding experience. We design and optimize onboarding flows and paywall placements to minimize friction and maximize conversion rates. 
📱 App Store Optimization / Custom Product Pages (CPPs). Your app store presence is your storefront. We optimize every element—from visuals to keywords—to improve discoverability and conversion. We also create tailored Custom Product Pages that align with campaign messages and user intent, delivering higher install rates and lower CPIs.
🧲 User Acquisition & Retargeting. We build scalable UA strategies across Meta, Google, TikTok, Apple Search Ads and other networks, combining creative testing and granular targeting. For re-engagement, we run high-performing retargeting campaigns to bring lapsed users back into the app at the right moment.
🤯 iOS SKAN & Tracking. Campaign Strategy Navigating privacy-first advertising requires precision. We design and manage SKAdNetwork (SKAN) compliant campaigns with a strategic approach to event prioritization, conversion value mapping, and creative clustering—ensuring performance even in a post-IDFA world.

  • Min project size
    $25,000+
  • Hourly rate
    $150 - $199 / hr
  • Employees
    2 - 9
  • Locations
    Paris, France
  • Year founded
    Founded 2023
  • Languages

3 Languages that we service

  • French
  • Spanish
  • English

1 Locations

  • Paris , France

No have been added yet...

    Pricing Snapshot

    Min. project size $25,000+
    Avg. hourly rate $150 - $199 /hr
    Rating for cost 4.8 /5

    What Clients Have Said

    Scalebay offers competitive pricing and good value for cost, as highlighted by clients who appreciated their budget alignment and effective strategies. Projects involved 2-5 dedicated employees, with successful outcomes such as a 40% reduction in CAC and substantial user acquisition.

    This summary is based on verified Clutch reviews.

    Most Common Project Size

    $10,000 - $49,999 based on 3 reviews
    < $10,000 $10,000 - $49,999 $50,000 - $199,999 > $200,000

    Select a service to see pricing information

    Scalebay Review Insights

    Overall Review Rating

    5.0
    • Quality 4.9
    • Schedule 5.0
    • Cost 4.8
    • Willing to Refer 5.0

    Top Mentions

    Review Highlights

    • High Client Satisfaction

      Clients express satisfaction with Scalebay’s services, noting that there are no areas for improvement. The company is described as competent, responsive, and capable of adapting to internal changes and expanding project scopes.

    • Proficiency in App Marketing

      Scalebay's expertise in app marketing has been particularly noted as a rare and valuable skill. Clients have achieved substantial improvements in key performance metrics such as CAC reduction and revenue increase.

    • Commendable Communication Practices

      Scalebay is praised for their effective communication skills. Clients mention clear and transparent communication, with the team being available during both working and non-working hours to address issues.

    • Strategic and Reactive Approach

      Scalebay is recognized for its strategic approach to project execution, with a capability to react swiftly to changes. This has led to successful outcomes, such as improved forecasts and pipeline efficiency for clients.

    • Transparent and Trustworthy Partnership

      Scalebay has been described as transparent and reliable, building trust with clients by consistently meeting expectations and providing detailed reporting on project progress.

    Scalebay Reviews

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    Mobile & App Marketing for MaaS Co

    • Mobile & App Marketing
    • Confidential
    • Jan. 2024 - Jan. 2025
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "Scalebay was the best option for us."

    Jun 3, 2025
    CMO, Argonot
    Lou Bernardini
    Verified
    • Other industries
    • Paris, France
    • 1-10 Employees
    • Online Review
    • Verified

    Scalebay provided marketing services for a MaaS company. The team focused on mobile app traffic acquisition, focusing on metrics and data.

    CRO & Ad Campaigns for Real Estate Company

    • Digital Strategy Media Planning & Buying
    • $10,000 to $49,999
    • Jan. - Mar. 2025
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "I was impressed with their reactivity and strategic approach."

    May 31, 2025
    Director, Real Estate Company
    Anonymous
    Verified
    • Real estate
    • Madrid, Spain
    • 1-10 Employees
    • Online Review
    • Verified

    A real estate company hired Scalebay to set up conversion tracking, create and plan ad campaigns on Google and Meta, and generate leads.

    Mobile App & Digital Marketing for News Magazine

    • Mobile & App Marketing Pay Per Click
    • Confidential
    • Jan. 2023 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "The team is highly reactive."

    May 28, 2025
    Responsable Acquisition, Le Point
    Adrien Bulteau
    Verified
    • Media
    • Paris, France
    • 51-200 Employees
    • Online Review
    • Verified

    Scalebay has been hired by a news magazine to assist with user acquisition for their app and website. Their work includes managing paid campaigns, tracking KPIs, and overseeing the brand's image.

    Digital Strategy & Mobile App Marketing for Gaming Company

    • Digital Strategy Media Planning & Buying Mobile & App Marketing
    • Confidential
    • Jan. - Apr. 2025
    5.0
    Quality
    4.5
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "I was happy with their service and couldn't ask for more."

    May 26, 2025
    UA Manager, Gaming Company
    Anonymous
    Verified
    • Gaming
    • Paris, France
    • 501-1,000 Employees
    • Online Review
    • Verified

    Scalebay was hired by a gaming company to help them identify a new launch strategy to penetrate new markets for their games and apps. The team also created a playbook for network best practices.

    Custom App Configuration for Healthcare Co

    • Mobile App Development Other IT Consulting and SI
    • Less than $10,000
    • March 2025
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    4.0
    Willing to Refer
    5.0

    "Their good communication was most impressive."

    May 26, 2025
    CEO, Healthcare Co
    Mathilde
    Verified
    • Other industries
    • Paris, France
    • 1-10 Employees
    • Online Review
    • Verified

    Scalebay provided mobile app development services for a healthcare company. The team was tasked with configuring AppsFlyer for the client.

    App Marketing, CRM SI & PPC for Real Estate Investment Co

    • CRM Consulting and SI Mobile & App Marketing Pay Per Click
    • $10,000 to $49,999
    • Sep. 2024 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They are nice people."

    May 26, 2025
    COO & Co-Owner, Equito App
    Naji Bizri
    Verified
    • Financial services
    • Barcelona, Spain
    • 11-50 Employees
    • Online Review
    • Verified

    Scalebay provides ongoing app marketing services for a real estate investment company. The team has set up customer.io, run Meta Ads & TikTok ad campaigns, and placed sponsored ads on stores.

    Showing 1-6 of 6 Reviews

    Clutch verification provides an additional layer of data to help you make the right purchasing decision of business services.

    Learn More
    Verified Client Reviews
    6
    Overall Review Rating
    5
    Source
    Clutch
    Last Updated
    June 24, 2025

    Business Entity

    Business Entity Name Scalebay
    Source Greffe du tribunal de commerce de Paris
    Jurisdiction of Formation France
    Date of Formation June 14, 2023
    Status Active
    Last Updated July 10, 2025
    ID SIREN: 953 172 178 SIRET: 953 172 178 00014

    Credit Report Results

    International Credit Risk Assessment Low Risk
    Source Creditsafe
    Last Updated July 10, 2025
    Learn More About The Clutch Verification Process

    Locations (1)

    195 Rue de la Croix Nivert ParisFrance 75015

    2 - 5

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