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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%
Certified in:
Digital Strategy Mobile & App Marketing

Pricing Snapshot

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

What Clients Have Said

Scalebay provides good value for cost, with clients noting budget-friendly pricing and effective results. They handle diverse projects, from PPC to app marketing, and have successfully reduced costs for clients while improving KPIs, making them a solid choice for various business needs.

This summary is based on verified Clutch reviews.

Most Common Project Size

$10,000 - $49,999 based on 4 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 5.0
  • Schedule 5.0
  • Cost 4.8
  • Willing to Refer 5.0

Top Mentions

Review Highlights

  • Successful Adaptation to Diverse Client Needs

    Scalebay has successfully adapted to various internal changes and expanded project scopes, demonstrating flexibility and a broad range of expertise to meet diverse client needs.

  • Proficient in User Acquisition and Marketing

    Scalebay has demonstrated strong capabilities in user acquisition and marketing optimizations, leading to significant improvements in KPIs such as CPA, retention, and engagement across various industries.

  • Highly Recommended by Clients

    Clients highly recommend Scalebay due to their professionalism, quality of work, and effective partnership approach, often describing their experience as enjoyable and beyond expectations.

  • Improvements in Financial and Performance Metrics

    Scalebay has helped clients achieve substantial improvements in financial metrics such as ARPPU and revenue, as well as performance metrics like app downloads and lead generation.

  • Effective Project Management and Timely Deliveries

    Clients consistently praise Scalebay for effective project management. They deliver projects on time, are proactive, and maintain clear communication, ensuring alignment with clients' objectives.

Scalebay Reviews

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PPC Campaign Services for Mobility Platform Company

  • Pay Per Click
  • Google Adwords
  • Confidential
  • Jan. 2025 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"They quickly align with our objectives, provide proactive recommendations, and work as a true partner."

Jul 23, 2026
Department Lead, free2move
Anonymous
Verified
  • Automotive
  • Paris, France
  • 201-500 Employees
  • Online Review
  • Verified

Scalebay manages and optimizes PPC campaigns for a mobility platform company. The team handles multiple channels, including Google Ads and Meta, and supports the creation and optimization of ad creatives.

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.

Software Dev & Conversion Optimization for Video Game Dev Co

  • Conversion Optimization Custom Software Development
  • Confidential
  • Oct. 2025 - July 2026
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Scalebay provided a great and transparent relationship."

Jul 29, 2026
VP of Mobile & XR Business Development, Microids
Vincent Dondaine
Verified
  • Gaming
  • Paris, France
  • 51-200 Employees
  • Online Review
  • Verified

A video game development company hired Scalebay to modernize their platform. The team also added SDKs, tracked data, helped understand the client's customers, and managed user acquisition.

Digital Marketing & Advertising for Mobile App

  • Advertising Content Marketing Mobile & App Marketing
  • $50,000 to $199,999
  • Apr. 2025 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
4.0
Willing to Refer
5.0

"They have really nice ideas and always have a solution to each problem or question."

Jul 24, 2026
CEO, Up Cab / Drivee
Quentin Tomasi
  • Utilities
  • France
  • 1-10 Employees
  • Online Review

Scalebay provides digital marketing services for a mobile app. The team manages the client's brand content and advertising on Meta and Instagram. They also handle the client's ASO and social media.

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.

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.

Showing 1-10 of 11 Reviews

Premier Verified means Clutch independently confirmed Scalebay is a legally registered business,
financially sound (Creditsafe: Low Risk), and backed by 10 verified client reviews averaging 5.0 stars.

Learn More
Verified Client Reviews
10
Overall Review Rating
5
Source
Clutch
Last Updated
July 29, 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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Microids

(1)
Microids Logotype

Vincent Dondaine

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