Mobile appE-commerce & marketplacesOriginal by PayPal
Honey turned a small habit at the last step of online shopping into a product: never leaving the "promo code" box empty at checkout. The browser extension tries known codes in turn and automatically applies the one that saves the most. Users save without searching for anything, while stores win extra sales through affiliate programmes. This frictionless value proposition made the product spread fast.
Building something similar means developing a browser extension, a mobile app and a coupon data infrastructure. Site adapters that recognise the coupon field on each store's checkout page, a coupon database with success-rate tracking, and price history with drop alerts form the core. Integration with affiliate networks and commission tracking sets up the revenue side. Transparent compliance with extension store policies and affiliate rules is critical.

How Honey works: the core user flow

How many apps and dashboards do you need?
Browser extension
The main product, which detects the checkout page on shopping sites, tests coupons and shows price history.
Mobile app
An app that shows tracked products, price alerts, earned rewards and store deals.
Coupon and store panel
A panel where the team manages store adapters, the coupon database, affiliate agreements and success rates.

Critical features of a product like Honey
Automatic coupon testing
The coupon field on the checkout page is detected, codes are tried in turn and the one with the biggest discount is applied.
Store adapters
Selectors and rules are defined for each shopping site, and automated tests raise an alert when a site's design changes.
Coupon success statistics
Whether each code works is recorded anonymously, and old or invalid codes drop off the list.
Price history and alerts
Price changes for tracked products are charted, and a notification is sent when the price falls to the target.
Affiliate tracking infrastructure
A connection to affiliate networks is set up, and referred orders and commissions are tracked transparently.
Reward points
Points are earned on purchases at certain stores and converted into a gift card once a threshold is passed.
What goes into the first version, what comes later
First version (MVP)
- Chrome extension and checkout page detection
- Coupon testing for selected stores
- Coupon database and success tracking
- Affiliate network integration
- Coupon and store admin panel
Later releases
- Price history and drop alerts
- Mobile app
- Reward points and gift card conversion
- Firefox, Safari and Edge extensions
Modules and how the budget is calculated
The budget is calculated with 360 SOFT’s pricing model from the modules below, about 20 screens and the project’s complexity: roughly 126 person-days for the full scope and 85 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 |
| Admin dashboard | First version |
| Product / content catalogue | First version |
| Advanced search and filters | First version |
| Push notifications | First version |
| Email / SMS notifications | First version |
| Reporting and analytics | Later release |
| Third-party API integration | 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): €450 / month. We send a fixed written price within 24 hours after a free discovery call.
The hard parts
Resilience to site changes
Stores change their checkout pages often, so a broken adapter must be noticed and fixed immediately.
Affiliate and extension policies
Practices such as overriding another source's referral can break both network rules and extension store policies, so transparent, compliant tracking is a must.
Privacy
An extension can see shopping behaviour, so collecting only the data it needs and obtaining explicit consent under GDPR is the foundation of trust.
Business model
The main revenue is the affiliate commission stores pay on sales referred through the extension. Part of the commission earned is returned to the user as reward points to build loyalty. Store-specific campaigns and featured-placement packages can be sold. Charging users directly is generally avoided in this model, because the value comes from a free, frictionless way to save.
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 Honey
Most people searching “build an app like honey” 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 Honey 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 Honey?
A browser extension working on selected stores plus an admin panel can be ready in a few months. As the number of supported stores grows, adapter maintenance becomes a permanent workload.
Can it be done with a mobile app alone?
Automatic coupon testing runs inside the browser, so the extension is the real product. The mobile app plays a complementary role for price tracking, alerts and rewards.
Will there be copyright or trademark issues?
The coupon collection and price tracking business model is free to use, but the Honey name, logo, interface design and code cannot be copied. Affiliate network rules must also be followed. This is general information, not legal advice.
What should I look for when choosing a company to build a browser extension?
Look for experience with Manifest V3 extension development, web automation and affiliate integrations. Ask to see sample projects that passed extension store reviews.





