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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 Focus Areas have been added yet…

Industries
Advertising & marketing
10%
Arts, entertainment & music
10%
Education
10%
Financial services
10%
Gambling
10%
Gaming
10%
Hospitality & leisure
10%
Medical
10%
Retail
10%
eCommerce
10%
Clients
Midmarket ($10M - $1B)
45%
Enterprise (>$1B)
30%
Small Business (<$10M)
25%

Pricing Snapshot

Min. project size $25,000+
Avg. hourly rate $150 - $199 /hr
Rating for cost 4.9 /5

What Clients Have Said

Scalebay offers competitive pricing and good value for cost, with clients noting tailored solutions within budget. Engagements involve 2-5 team members, focusing on app marketing and user acquisition, achieving significant measurable outcomes like increased downloads and reduced costs.

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 4.9
  • Willing to Refer 5.0

Top Mentions

Review Highlights

  • Proactive and Strategic Approach

    Scalebay is recognized for their strategic planning and proactive approach, such as creating playbooks for best practices and identifying new market opportunities, which have been instrumental in achieving client goals.

  • Responsive Project Management

    Clients commend Scalebay's responsiveness and ability to meet deadlines, even accommodating changes during non-working hours, ensuring projects are delivered on time and to client specifications.

  • Effective User Acquisition Strategies

    Scalebay's strategies have successfully increased user acquisition, as evidenced by significant increases in app downloads and reduced CPA in paid campaigns, showcasing their competence in driving growth.

  • Significant Revenue and Cost Improvements

    Clients reported substantial financial benefits from working with Scalebay, including a 40% decrease in CAC and a 120% increase in revenue on platforms like META, highlighting effective cost management and revenue growth.

  • No Areas for Improvement Noted

    Across multiple reviews, clients did not identify any specific areas for improvement, indicating a high level of satisfaction with Scalebay's services and outcomes.

Scalebay Reviews

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Conversion Optimization for Software Development Company

  • Conversion Optimization
  • Confidential
  • June 2024 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Scalebay's results have always been positive."

Jun 17, 2026
Product Manager, Software Development Company
Anonymous
Verified
  • Other industries
  • Paris, France
  • 11-50 Employees
  • Online Review
  • Verified

Scalebay has provided marketing optimization services for a software development company. The team has helped the client with a long-lasting partnership.

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 1-8 of 8 Reviews

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Verified Client Reviews
8
Overall Review Rating
5
Source
Clutch
Last Updated
June 17, 2026

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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