Table of contents
How we vet every listicle
Every agency featured on Web Tonic passes our 84-point editorial review before a single listicle goes live. This is how we vet each pick:
Verified client outcomes: We require real case studies with measurable KPIs — revenue, ROAS, CPA, retention — tied to the exact category being ranked. No cherry-picked wins, no unverifiable numbers.
Independent reputation: We cross-check Clutch, Google, G2, and Trustpilot ratings, and screen for review-bombing or suspicious patterns. Only operators with a consistent, verifiable track record make the cut.
Beyond that, every listing goes through a quarterly re-audit. We check 84 criteria across 6 pillars to make sure it still holds up — here are some of the checks we run:
An app store optimization (ASO) agency improves how an app ranks and converts in the Apple App Store and Google Play: it researches keywords, rewrites titles, subtitles and descriptions, redesigns icons and screenshots, tests store listings and manages ratings and reviews. Denver outdoor, fitness, fintech and cannabis-adjacent apps rely on store search to reach users, and small listing changes can move installs quickly.
To make this list, each of the eight external agencies had to offer app store optimization (ASO) on its own website. None of them is headquartered in Denver, so each card names the agency's real base, and clients and prices appear only where published.
Where do Denver app owners find an ASO agency?
Web Tonic plus eight external agencies that offer app store optimization on their own sites. None is headquartered in the Denver metro; all run Denver campaigns remotely. Eight name a client publicly and none publishes a price.
1. Web Tonic
About: Web Tonic runs app store optimization from our Denver office with in-house creative, so keyword research, screenshots, store tests and Apple Search Ads sit with one team. Reporting is built around installs, conversion rate and revenue rather than rank alone, and store assets stay in the client's own name.
Key Services: Growth Marketing, Paid Social, PPC, Meta Ads, SEO, Google Ads, Snapchat Ads, Amazon Ads, Reddit Ads, TikTok Ads, TikTok Shop, GEO-AEO, Webflow Design, Shopify Design, WordPress Design, UGC, Social Media Management, Pay Per Click Management, Marketing Analytics, Analytics Implementation & CDPs, Performance Branding, Performance 360° Audit, Programmatic Ads, OOH Ads, HR Marketing
Industries Served: eCommerce, SaaS, B2B, Construction Professionals, Home Services, SMEs, Health Spa & Wellness, Retail, Legal & Judicial Services, Food & Beverages, Pets, Fitness, Family & Children, Finance & Insurance, Travel, Non-Profits & Organizations, Furniture & Decoration
Notable Clients: WorldRemit, Jack & Jones, Ardene, L’Oréal, Sendwave, Nestlé, Airbnb. Serve Fortune 500 companies and smaller fast-paced startups.
Locations: Local Denver office, with the main HQ in San Francisco and notable offices in New York, Chicago, Miami, Toronto, Montreal, Dubai, Singapore, Sydney and more. Offices on five continents.
Pricing: Custom scope. Flexible and scalable plans according to your needs. Book a call to learn more.
Great For: Mid-market to enterprise-level businesses requiring ongoing, on-tap growth and performance marketing services.
Website: Web Tonic
2. ConsultMyApp
About: ConsultMyApp is a mobile and app marketing agency headquartered on Bonhill Street in London, with a North American office on West Georgia Street in Vancouver and another in Germany. It sells app store optimization, paid user acquisition and retention work, and names clients such as Macy's, MONOPOLY GO!, O2 Priority and PureGym.
Key Services: App Store Optimization, Paid User Acquisition, Retention and CRM, Apple Search Ads, App Analytics, Store Creative
Industries Served: Retail, Gaming, Telecoms, Fitness, Fintech
Notable Clients: Macy's, MONOPOLY GO!, O2 Priority, PureGym, Smarkets
Locations: London, UK (headquarters), Vancouver, British Columbia, Altshausen, Germany
Pricing: Quote-based
Great For: Consumer and subscription apps, App teams that want more organic installs, Companies pairing ASO with paid app campaigns
Website: ConsultMyApp
3. RadASO
About: RadASO is an app marketing agency that specializes in app store optimization and user acquisition, with a London address on Finsbury Square and more than 300 clients served since 2018, by its own count. Its published case studies include Monobank, Preply and Mindsnap.
Key Services: App Store Optimization, User Acquisition, Store Localization, Retention Marketing, Apple Search Ads, Keyword Research
Industries Served: Fintech, Education, Fitness, Health Apps, Utilities
Notable Clients: Monobank, Preply, Mindsnap
Locations: London, UK
Pricing: Quote-based
Great For: Funded consumer apps, Brands scaling apps across several countries, Teams running ASO and paid user acquisition together
Website: RadASO
4. Admiral Media
About: Admiral Media is a performance marketing and creative agency for apps, games and ecommerce, founded in 2019 and headquartered in Dubai with a remote team in more than 15 countries. It lists app store optimization among its growth services, and its site names clients such as FreeNow, ShopBack, NeuroNation, Cookpad and Fastic.
Key Services: App Store Optimization, Paid Social, Apple Ads, AI Creative Production, User Acquisition, App Growth Consulting
Industries Served: Mobile Apps, Gaming, Ecommerce, Health and Wellness, Mobility
Notable Clients: FreeNow, ShopBack, NeuroNation, Cookpad, Fastic
Locations: Dubai, UAE (headquarters), Remote team in 15+ countries
Pricing: Quote-based
Great For: Consumer and subscription apps, App teams that want more organic installs, Companies pairing ASO with paid app campaigns
Website: Admiral Media
5. Wuzzon
About: Wuzzon is an app growth agency founded in 2007 and based on Herengracht in Amsterdam, serving clients across Western Europe. It sells app store optimization next to performance marketing and app growth consulting, and its site shows apps such as de Bijenkorf, wehkamp, Woolsocks and FibriCheck.
Key Services: App Store Optimization, Performance Marketing, Apple Search Ads, Attribution, App Growth Consulting, User Acquisition
Industries Served: Retail, Ecommerce, Fintech, Health Apps, Energy
Notable Clients: de Bijenkorf, wehkamp, Woolsocks, FibriCheck
Locations: Amsterdam, Netherlands
Pricing: Quote-based
Great For: Consumer and subscription apps, App teams that want more organic installs, Companies pairing ASO with paid app campaigns
Website: Wuzzon
6. Udonis
About: Udonis is a mobile marketing agency founded in 2015, with a US address in Newark, Delaware, and a European office in Osijek, Croatia. It focuses on mobile game and app marketing, its app marketing service runs from app store optimization to ad campaigns, and its site names clients such as Voodoo, Activision Blizzard and Madbox.
Key Services: App Store Optimization, User Acquisition, Creative Production, Mobile Game Marketing, Soft Launch Support, Influencer Marketing
Industries Served: Mobile Games, Hyper-Casual Games, Apps, Entertainment, Casual Games
Notable Clients: Voodoo, Activision Blizzard, Madbox, Moonfrog
Locations: Newark, Delaware, Osijek, Croatia
Pricing: Quote-based
Great For: Consumer and subscription apps, App teams that want more organic installs, Companies pairing ASO with paid app campaigns
Website: Udonis
7. Applica
About: Applica is a mobile app growth partner for subscription apps whose registered office is on Old Gloucester Street in London. It sells app store optimization with ongoing store testing next to performance marketing and product growth, and its site shows apps such as AirHelp, Fabulous, Slumber and 7 Minute Workout.
Key Services: App Store Optimization, Store Listing Testing, Performance Marketing, Product Growth, Monetization, Retention
Industries Served: Subscription Apps, Health and Fitness, Travel, Education, Lifestyle
Notable Clients: AirHelp, Fabulous, Slumber, 7 Minute Workout, 5 Minute Journal
Locations: London, UK (registered office)
Pricing: Quote-based
Great For: Consumer and subscription apps, App teams that want more organic installs, Companies pairing ASO with paid app campaigns
Website: Applica
8. Addict Mobile
About: Addict Mobile is a performance marketing agency for mobile apps with its head office in Aix-en-Provence and offices in Paris and Madrid. It runs user acquisition, creative and UGC production and ASO and CRO work, and its site cites clients such as Télérama, Coinhouse and Leetchi.
Key Services: App Store Optimization, User Acquisition, Creative Production, UGC, Conversion Rate Optimization, Apple Ads
Industries Served: Media, Fintech, Crypto, Retail, Mobility
Notable Clients: Télérama, Coinhouse, Leetchi
Locations: Aix-en-Provence, France (head office), Paris, France, Madrid, Spain
Pricing: Quote-based
Great For: Consumer and subscription apps, App teams that want more organic installs, Companies pairing ASO with paid app campaigns
Website: Addict Mobile
9. UniK SEO
About: UniK SEO is an SEO and GEO agency headquartered in Algés, Lisbon, with offices in Cornwall, UK, and Bordeaux, France. It sells app store optimization next to SEO and content work, and its case studies include Bitvavo, Leroy Merlin, NordVPN and Vertbaudet.
Key Services: App Store Optimization, SEO, GEO, Content Marketing, Technical SEO, International SEO
Industries Served: Fintech, Retail, Software, Ecommerce, Education
Notable Clients: Bitvavo, Leroy Merlin, NordVPN, Vertbaudet
Locations: Lisbon (Algés), Portugal (headquarters), Cornwall, UK, Bordeaux, France
Pricing: Quote-based
Great For: Small and mid-size businesses with an app, Local brands adding ASO to search marketing, Companies launching their first app
Website: UniK SEO
Quick Comparison Table
| Agency | Key Specialty | Starting Price | Best For |
|---|---|---|---|
| 1. Web Tonic | Full-Service Performance Marketing | Custom scope | Mid-market to Enterprise (local Denver office) |
| 2. ConsultMyApp | ASO and UA with its own APPlyzer data tool | Quote-based | Consumer and subscription apps |
| 3. RadASO | ASO specialist with public case studies | Quote-based | Funded consumer apps |
| 4. Admiral Media | App UA and creative agency that adds ASO | Quote-based | Consumer and subscription apps |
| 5. Wuzzon | Dutch app growth agency with ASO at the core | Quote-based | Consumer and subscription apps |
| 6. Udonis | Mobile game marketing that includes ASO | Quote-based | Consumer and subscription apps |
| 7. Applica | Subscription app growth with ASO | Quote-based | Consumer and subscription apps |
| 8. Addict Mobile | French app performance agency with ASO | Quote-based | Consumer and subscription apps |
| 9. UniK SEO | SEO agency extending into app stores | Quote-based | Small and mid-size businesses with an app |
Frequently Asked Questions
How do I choose an app store optimization agency in Denver?
Start with the goal: more organic installs, better conversion from store page views, or a stronger rating. Then check proof. Eight of these eight agencies name a client on their own site (Macy's and Monobank among them). Ask which keyword and store-testing tools they use, who designs the screenshots, whether they work on both iOS and Android, and how they separate organic installs from paid ones in reporting.
How much does an ASO agency cost in Denver?
None of the external agencies here publishes an ASO fee, so every figure will come from a proposal. Fees depend on how many apps, platforms and languages are covered, how often the store listing is tested and whether new screenshots and videos are designed. Ask whether creative is billed separately, whether Apple Search Ads management is included and what the notice period is before you sign.
What is the difference between ASO and Apple Search Ads?
ASO works on the free side of the app stores: keywords, titles, descriptions, screenshots, ratings and store tests that lift organic rank and conversion. Apple Search Ads and Google App campaigns are paid placements bought per tap or install. The two feed each other, since paid search reveals which keywords convert. Some agencies here do both; others focus on organic store work only.
How long does app store optimization take to show results?
Metadata changes are indexed within days, and store listing tests usually need two to four weeks of traffic to reach a clear result. Keyword rankings tend to move over one to three months as installs and ratings build. In a market like Denver, plan on at least a quarter of steady testing and updates before you judge an ASO program, and track conversion rate as well as rank.
Should a Denver business hire a local ASO agency or a remote one?
None of the eight agencies here is headquartered in the Denver metro; they run campaigns from bases such as Aix-en-Provence, Amsterdam and Dubai. A local agency helps when you want to meet in person or run local research, but keyword work, store testing and reporting all run online. Experience with your audience and a creative process you trust matter more than the address.
Choosing an App Store Optimization Agency in Denver
Start with your own numbers. Know your current store conversion rate, your top keywords and what an install or subscriber is worth to you. An agency can only plan keyword and creative tests around targets it has been told about.
Check experience you can verify. Eight of the eight external agencies name a client on their own site and none publishes a price. Ask the rest for a reference you can call, and see how our Apple Search Ads service supports store work.
Agree how you will work together. Settle who owns the developer console access, how many store tests run each month and which result month three is judged on. Our performance creative team can design icons, screenshots and preview videos.
Never skip the consultation. Book calls with two or three agencies from this list, bring the same brief to each and compare the questions they ask about your users. If you want a team in the city, meet our Denver office.
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