Last updated: November 14, 2026
The best mobile app development companies in Estonia for 2027 are Mooncascade, Helmes, Fob Solutions, Thorgate, Mobi Lab, Ronas IT, Dashbouquet, Brocoders, Jelvix and Interexy. Mooncascade is the pick for fintech and startup products, Helmes for enterprise and government apps, Fob Solutions for development plus QA, and Mobi Lab for consumer and AR experiences.
Estonia produced Skype, Wise and Bolt, so its app studios have deep experience with products that must scale quickly and handle payments, identity and heavy traffic.
We looked at companies headquartered or with development teams in Estonia, reviewed their mobile portfolios, notable clients and directory profiles, and grouped them by the kind of app work they do best. Read more about how we research and rank companies.
| Company | Based In | Best For | Key Fact |
|---|---|---|---|
| Mooncascade | Tallinn and Tartu | Fintech and startup mobile products | 250+ products delivered |
| Helmes | Tallinn | Large-scale enterprise and public sector apps | Helped build about 30% of e-Estonia |
| Fob Solutions | Tallinn | App development with strong testing | Known for quality assurance |
| Thorgate | Tallinn, London and Oslo | Apps connected to IoT and industrial systems | Founded in 2012 |
| Mobi Lab | Tartu | Consumer apps and AR | Tartu-based mobile specialist |
| Ronas IT | Tallinn | Startup and SaaS apps with AI features | 50 to 249 person team |
| Dashbouquet | Tallinn | iOS and Android apps for growing companies | Building apps since 2014 |
| Brocoders | Tallinn | SaaS platforms with mobile apps | Highly reviewed on Clutch |
| Jelvix | Tallinn | Healthcare, insurance and enterprise apps | 250 to 999 person team |
| Interexy | Tallinn | Healthcare and fintech mobile apps | Mobile-first development firm |
Mooncascade was founded in 2009 by ex-Skype engineers and has delivered more than 250 products for clients including Wise, Bolt and Monese. It covers advisory, design, mobile and cloud.
Choose it for regulated or fast-scaling consumer apps.
Helmes is one of Estonia’s largest software companies, working for telecoms, banks, logistics firms and governments. It says it has built around 30% of Estonia’s digital government.
It suits enterprises that need mobile apps tied into complex back-end systems.
Fob Solutions provides agile software development and quality assurance, including mobile apps and testing services.
It is a good choice when reliability and testing coverage matter as much as features.
Thorgate builds web and mobile products with experience in Industry 4.0, IoT, logistics and health tech.
Pick it when your app needs to talk to hardware or industrial data.
Mobi Lab is a Tartu mobile studio that designs and develops mobile and augmented reality experiences.
It suits brands that want polished consumer apps or AR features.
Ronas IT lists Tallinn as a base and offers UI/UX, web and mobile development, increasingly with AI features built in.
It suits startups that want design and full-stack development from one vendor.
Dashbouquet is a mobile and web development company building custom apps since 2014, with work spanning AI and blockchain projects.
It suits companies that want a dedicated team for an ongoing app roadmap.
Brocoders is a software company with a Tallinn presence that builds SaaS platforms and companion mobile apps.
It suits SaaS businesses adding or rebuilding mobile clients.
Jelvix is a large custom software and mobile app company listing Tallinn as its headquarters, with experience in healthcare and insurance.
It suits regulated industries that need a larger delivery team.
Interexy is a mobile app development company highly reviewed for health and fintech apps.
It suits startups that need a mobile-first team for a regulated product.
Ask whether the team recommends native iOS and Android or a framework like Flutter, and why.
Make sure your contract gives you full ownership of the source code and accounts.
Testing on real devices is essential. Confirm how it is staffed and priced.
Some firms list Tallinn as headquarters but deliver from other countries. Ask where your developers sit.
A simple app may cost €30,000 to €60,000, while complex fintech or marketplace apps often exceed €150,000.
Yes. Estonia’s startup scene, including Wise and Bolt, has produced many developers experienced with payments and identity.
An MVP typically takes three to five months. Full products take longer.
Estonia punches above its weight in app development. Mooncascade leads for startup and fintech products, Helmes for enterprise and government, and Fob Solutions for quality-driven builds. See also the top software development companies in Estonia and the Estonia hub.