Olysim - eSIM Data Plans

10K downloads and a [4.9]⭐️ rating on the App Store and Google Play.

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Industry
Travel & eSIM Connectivity
Build
Mobile app · Web platform
Stack
Flutter · Laravel · MySQL · Next.js · React · Firebase · AWS

Live onWebsite ↗App Store Google Play

Olysim app Japan Plans screen with Unlimited, Unlimited Pro and Fixed tabs, listing plan durations from 3 to 30 days with prices and a Buy Now button.

Olysim app Store screen with Country Plans and Regional Plans tabs, showing flag cards for China, Hong Kong, Singapore, Mexico and Argentina, and a Popular Destinations row.

Overview What we shipped Outcome Screens More work

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The ask

Travelers pay high roaming charges and struggle to get data abroad. The business needed one platform to sell eSIM data plans worldwide to customers, resellers and partner companies.

What we built

A customer website and an iOS and Android app, plus an admin panel, a reseller portal and a partner API. Travelers pick a country, pay online and install their eSIM in minutes.

Scope

What we shipped

Every item below was in the written scope before the build started.

01Website and iOS/Android app to buy and manage eSIMs

02eSIM installation by QR code in minutes

03Multiple eSIM providers behind one smooth experience

04Global payments with Stripe, PayPal, Razorpay and PhonePe

Services on this build

The capabilities this project drew on

Open any one for how we run it, the stack behind it and what a typical engagement includes.

Web Development Custom Software Development Mobile App Development Full Stack Development

Outcome

What changed after launch

OlySim now sells travel eSIMs worldwide from one platform. Travelers get online in minutes, and resellers and partners sell the same plans without extra work for the OlySim team.

150+Countries sold from day one, so one app covers a traveler’s whole trip

1Seamless checkout in front of 3 eSIM providers, so OlySim can switch or add networks without travelers noticing

5Payment gateways (Stripe, PayPal, Razorpay, PhonePe and more), so customers in India and abroad can pay their own way

3Ways to grow: direct customers, resellers and partner companies, all run from one admin panel

iOS + AndroidLive on the App Store and Google Play

Screens

A look at the product

Visit the live site ↗

The Store: travelers browse plans by country or region and jump straight to popular destinations.

Clear plan choices: pick a plan type and duration, see the price, and buy in one tap.

Everything in one place: plan details, coupon or credits, SIM type and the final price before checkout.

A built-in wallet and loyalty program that rewards customers with every purchase.

In-app calling with a per-minute rate shown upfront, so travelers can call from the same app.

Built-in identity verification: travelers upload their travel documents in the app to activate their eSIM.

A refer-and-earn program that turns happy travelers into new customers.

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Our work

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