Calda

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Overview

$10,000+

Min Project Size

$50 - $99/hr

Avg Hourly Rate

10 - 49

Employees

2022

Year Founded

ABOUT CALDA

Your idea, launched fast!

Calda🐙 is a distinguished mobile and web app development studio, recognized as the top FlutterFlow Agency of the Year for 2025. We create high-quality, scalable applications tailored for both startups and established businesses throughout the USA, Europe, and the UAE. Our approach emphasizes not just speed but also precision, with a focus on clean architecture, dependable backends, and products that users truly appreciate. Our Collaborations: We have collaborated with notable brands such as Subway, MobioT, Superplan, BTV, and the official app for the FlutterFlow Developer Conference. Our expertise covers various sectors including FinTech, Automotive, HealthTech, E-commerce, Real Estate, Media, Food & Beverage, and Sports & Fitness. Technical Proficiencies: Our tech stack includes FlutterFlow, Flutter (Dart), React, Next.js, Supabase, Firebase, WeWeb, Stripe, RevenueCat, and Python. We are certified in FlutterFlow, Supabase, Stripe, and RevenueCat. Why Choose Calda: Our team of 35 professionals, including designers, developers, QA engineers, and project managers, operates entirely in-house, guaranteeing consistency, efficiency, and accountability throughout the development process, from initial concept to launch and beyond.

Tech Stack

AirtableWebflowXanoFlutterFlowReactFlutterJavaScriptPythonSQLHTML5Typescript

Languages Spoken

EnglishIndonesian

HIGHLIGHTS

$10,000+

Min Project Size

$50 - $99/hr

Avg Hourly Rate

10 - 49

Employees

2022

Year Founded

Services

Focus

Industries

Clients

Services Provided

25% Mobile App Development (iOS & Android)

15% Custom Web Application Development

10% Backend Development

20% Mobile App UI Design

20% Web App UI Design

10% Product UX Strategy

Portfolio

WildSound: Meditating with Real Nature Sounds

WildSound

WildSound is a meditation application that incorporates genuine sounds from rivers and rainforests to help individuals reconnect with nature through calming audio experiences. Its design emphasizes tranquility, fostering a slow and mindful atmosphere. 🚧 Project Challenge We approached the creation of WildSound by departing from traditional app user experiences, prioritizing a serene engagement rather than quick, continuous usage. This strategy not only required us to rethink app interactions but also offered a valuable way for users to reconnect with nature in a technology-driven world. 📈 Our Solution To promote a slower, more intentional interaction, we implemented features such as long-press buttons to remind users to take their time before starting meditation. The app features real sounds from rivers and rainforests, while also supporting environmental conservation by connecting users with NGOs committed to protecting these natural habitats. 🏆 The Results Using FlutterFlow and Supabase, we successfully launched WildSound within 12 weeks. The app now provides a distinct, immersive experience that encourages users to take a step back and foster an authentic relationship with nature.

CRW: Connecting People Through Shared Experiences

CRW

CRW is a social application created to facilitate enjoyable and simple group connections, enabling users to discover authentic friendships and romantic relationships in an innovative manner. Users can either join or establish groups (CRWs) centered around common interests, making it easy to connect with others. Whether users are seeking companionship through “CRW Mates” or exploring romantic possibilities with “CRW Dates,” the app is designed to be straightforward and user-friendly. 🚧 Project Challenge Our team encountered an exciting design task: developing an experience that caters to both friendships and dating. We concentrated on creating a user interface that feels natural and inviting in both contexts. By conducting tests and gathering feedback, we refined the design to ensure it was engaging and easy to navigate. 🎯 Our Solution To facilitate easy transitions between friendship and dating modes, we crafted a flexible interface that maintains intuitiveness and consistency. User testing informed our design process at every stage, allowing us to create an experience where individuals feel comfortable connecting with others. 🏆 The Results The CRW app unlocks new social opportunities, enabling meaningful connections. By integrating friendship and dating functionalities without any subscription fees, CRW distinguishes itself as a refreshing approach to fostering genuine relationships and addressing the increasing need for social applications that alleviate loneliness.

Subway sandwiches - Anywhere & Anytime.

Subway

**Summary:** Transitioning to online ordering, the company managing the Subway brand in the CEE region recognized the need to provide customers with a smooth digital ordering experience. Amid the growing popularity of food delivery apps, the leadership aimed to create an app that allows devoted Subway fans to construct their favorite sandwiches just like in-store. The online ordering process is designed to maintain the fun and unique experience of customizing a Subway sandwich, which sets it apart from competitors. There is a diverse choice of ingredients that fosters creativity in sandwich-making. The app needed to mirror the in-restaurant experience. A user-friendly loyalty program was essential for the solution being developed. Customers could earn "cookie points" by scanning a unique QR code during their visits, with rewards offered for every fifth point accumulated. Additionally, there was a dual challenge: not only to create an app that enhances the experience for Subway enthusiasts, but also to develop a business application that streamlines the preparation of takeout orders for employees. This business app would ensure efficient order handling while implementing a straightforward validation process for the loyalty program. Furthermore, it was crucial for the business to gather data to inform key operational decisions.

3 more projects

Projects & Clients

Project Size & Rate

Minimum Project Size

$10,000+

Average Hourly Rate

$50 - $99/hr

Pricing Snapshot

Min Project Size

$10,000+

Avg Hourly Rate

$50 - $99/hr

Cost Rating

N/A

What Clients Have Said

"Calda delivers quality projects within budget and timeline expectations based on verified client feedback."

Based on verified reviews and internal benchmark data

PROJECT BUDGETS

No budget data yet — reviewers either haven't shared a project budget or kept theirs confidential.

Select a service

Mobile App Development (iOS & Android)

Custom Web Application Development

Backend Development

Mobile App UI Design

Web App UI Design

Product UX Strategy

Industry Recognitions

FlutterFlow App Design Of The Year 2024

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Top 3 FlutterFlow Certified Experts

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Top 4 Supabase Certified Experts

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WeWeb Certified Agency

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Locations

Headquarters

Gospodinjska ulica 8

Ljubljana, Central Slovenia, Slovenia 1000

+38640851088

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