Mobile appVideo, music & mediaOriginal by Deezer
Deezer stands out with the idea of an endless personal radio stream that starts with one tap, without waiting for the user to decide what to listen to. A stream reshaped instantly by like and skip reactions removes decision fatigue. Its emphasis on local content, bundles built through operator and device partnerships, and in-app song recognition make it strong in different markets.
Building something similar takes, beyond a catalogue, player and subscriptions, a stream recommendation engine that evaluates each user reaction in real time. Partner APIs for subscriptions billed through mobile operators, a lossless audio option, lyrics, a podcast section and multilingual editorial content are managed as separate backend services.
How Deezer works: the core user flow
How many apps and dashboards do you need?
Listener apps
Users who listen to streams, lists and podcasts on mobile, desktop, web and in the car.
Partner panel
The panel where operator and device partners manage bulk subscriptions, campaigns and billing data.
Admin and royalty panel
An internal panel for catalogue ingestion, editorial lists, royalty reports and user support.
Critical features of a product like Deezer
Endless personal stream
A stream based on listening history re-picks the next song instantly with every like and skip signal.
Mood and genre filters
Users limit the stream to calm, energetic or a specific genre, using the same engine at different moments.
Operator-billed subscription
The subscription fee can be charged to the mobile operator bill, with account matching done through partner APIs.
In-app song recognition
A song playing nearby is recognised and can be added straight to the library or a playlist.
Lyrics and karaoke mode
Synced lyrics are shown full screen so the user can sing along.
Playlist import
Playlists from other platforms can be imported, lowering the barrier to switching.
What goes into the first version, what comes later
First version (MVP)
- iOS and Android player
- Catalogue, search and playlists
- A first version of the personal stream engine
- Freemium model and premium subscription
- Play logging and royalty reporting
Later releases
- Operator-billed payment integration
- Song recognition and lyrics
- Lossless audio quality
- A podcast section and playlist import
Modules and how the budget is calculated
The budget is calculated with 360 SOFT’s pricing model from the modules below, about 30 screens and the project’s complexity: roughly 216 person-days for the full scope and 129 person-days for the first version. Every module you drop lowers the budget directly.
| Module | Phase |
|---|---|
| Sign-up, login, social login | First version |
| User profile and settings | First version |
| Subscriptions and recurring billing | First version |
| Online payments (Stripe / PSP) | First version |
| Product / content catalogue | First version |
| Advanced search and filters | First version |
| File, photo, video upload | First version |
| Offline mode and sync | First version |
| AI features (LLM, RAG, recommendations) | Later release |
| Push notifications | First version |
| Third-party API integration | First version |
| Reporting and analytics | Later release |
| Admin dashboard | First version |
| GDPR and security hardening | First version |
Hosting, SMS, map APIs, app store accounts and payment-provider fees are separate items. Maintenance and improvements (optional): €750 / month. We send a fixed written price within 24 hours after a free discovery call.
The hard parts
Real-time recommendation
Picking a new song within milliseconds after every reaction needs a low-latency feature store and model serving.
Operator integrations
Every operator has a different billing API, different campaign rules and different cancellation processes.
Licensing and royalties
Broadcasting is impossible without catalogue licences and royalty payments to collecting societies, and reporting must be auditable.
Business model
The revenue model rests on an ad-supported free tier plus premium, family and student subscriptions. Bundled subscriptions with operators, banks and device makers lower user acquisition cost. Offering a top plan for those who want high audio quality and selling sponsorship through branded playlists are extra revenue lines.
Get a free quote for your project
Let us scope it together and send a fixed written quote within 24 hours. NDA on request; you own the source code.
Choosing a company to build an app like Deezer
Most people searching “build an app like deezer” are really looking for a reliable app development company. When comparing quotes, check four things:
- Can you try similar products they have shipped, in the stores or live?
- Are the source code, design files, servers and store accounts transferred to you by contract?
- Do they show a working demo every two weeks, with written scope and acceptance criteria?
- Are maintenance, scaling and GDPR/security costs written into the quote?
Copyright and trademarks
A business model and features are generally not protected on their own, but the Deezer name, logo, interface design, content and source code are. That is why we build a product with similar functionality but your own brand, design and code. This is not legal advice; we recommend a trademark search before launch.
Frequently asked questions
How long does it take to build an app like Deezer?
A first version with a player, catalogue, subscriptions and a simple stream engine can ship in a few months. Operator integrations and the advanced recommendation model mature in later stages.
Is AI essential for a personal stream?
At first a rule-based stream built on similar-artist and genre relationships is enough. As listening data accumulates, machine learning models improve stream quality.
Are there copyright or trademark issues?
The music streaming business model and its features are generally free to use, but the name, logo, design, content and code cannot be copied. A music catalogue requires licence and royalty agreements; this information is not legal advice.
What should I look for when choosing a company to build an app like Deezer?
Pick a team experienced in audio streaming, recommendation systems and operator payment integrations. Ask about their big data processing and royalty reporting experience as well.
