• Post a Project

Your idea, launched fast!

🐙Calda🐙 is an award-winning AI-native product studio, recognized as FlutterFlow Agency of the Year 2025 & 2026, FlutterFlow App Design of the Year 2024 & 2026, and a Clutch Global Award winner. 

We are certified partners and experts across leading product technologies, including FlutterFlow, Supabase, Stripe, RevenueCat, Expo, and Vercel.

We design, build, and scale high-quality digital products for startups, scaleups, and established companies across the USA, Europe, and the UAE.

  • Min project size
    $10,000+
  • Hourly rate
    $50 - $99 / hr
  • Employees
    10 - 49
  • Locations
    Ljubljana, Slovenia
  • Year founded
    Founded 2022

1 Locations

  • Ljubljana , Slovenia

Select Focus Area
Application Platforms
Other app platform
100%
Low Code Development
No Code Development
Xano
35%
Frameworks and CMS
Programming & Scripting
Python
30%
SQL
20%
HTML5
10%
Typescript
10%
Industries
Information technology
100%
Clients
Midmarket ($10M - $1B)
50%
Enterprise (>$1B)
30%
Small Business (<$10M)
20%
Certified in:
Mobile App Development UX/UI Design iPhone iOS App Development Android App Development FlutterFlow

Pricing Snapshot

Min. project size $10,000+
Avg. hourly rate $50 - $99 /hr
Rating for cost 4.9 /5

What Clients Have Said

Calda offers competitive pricing and good value for cost, with clients praising their budget alignment and responsiveness. They typically assign 2-10 team members per project, delivering quality results on time, and maintaining strong communication throughout the development process.

This summary is based on verified Clutch reviews.

Most Common Project Size

$10,000 - $49,999 based on 11 reviews
< $10,000 $10,000 - $49,999 $50,000 - $199,999 > $200,000

Select a service to see pricing information

Highly Rated Similar Providers

Calda Review Insights

Overall Review Rating

4.9
  • Quality 4.9
  • Schedule 4.8
  • Cost 4.9
  • Willing to Refer 4.9

Top Mentions

Review Highlights

  • Commitment to Client Success

    Clients are impressed with Calda's commitment to ensuring project success, often going above and beyond to meet objectives. Their dedication and drive to achieve client goals are highly valued.

  • Innovative and Forward-Thinking

    Calda stands out for their innovative solutions and proactive suggestions that often go beyond initial client requests. Clients appreciated their creative ideas and problem-solving abilities, which enhanced project outcomes.

  • Areas for Improvement in Communication

    While generally positive, some clients noted that Calda could enhance their communication by providing more detailed updates and involving the broader team in project scoping to ensure comprehensive understanding.

  • Great Cultural and Value Fit

    Many clients chose Calda for their cultural alignment and shared company values, which contributed to a harmonious and effective working relationship. Their team is noted for being genuinely committed and enthusiastic about projects.

  • Impressive Technical Expertise

    Calda's technical capabilities, including their proficiency in FlutterFlow, Supabase, and other platforms, are frequently praised. Clients value their ability to integrate complex features and deliver technically sound solutions.

  • Focus on Quality and Detail

    Calda is recognized for their dedication to quality and attention to detail. Clients appreciate the thoroughness and precision in their work, as well as their commitment to delivering high-quality results.

Calda Reviews

Submit a Review
All Filters

0 selected

Sort by
Services
Project Cost
Industry
Location

End-To-End Development Services for Social App

  • Custom Software Development Mobile App Development UX/UI Design
  • Android App Development
    +2
  • $10,000 to $49,999
  • July 2024 - Feb. 2025
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

“Calda did a great job and fully met our expectations throughout the project.”

Sep 24, 2025
Co-Founder, Superdex
Andrew Oehler
Verified
  • Other industries
  • Denver, Colorado
  • 1-10 Employees
  • Online Review
  • Verified

Calda provided end-to-end development services for a social app, from the early concepts and sketches to a functional mobile app. The team used FlutterFlow for the frontend and Supabase for the backend.

Web Development for Ticketing & Marketing Company

  • Custom Software Development UX/UI Design Web Development
  • Confidential
  • Nov. 2024 - Feb. 2025
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Their responsiveness, problem-solving mindset, and ability to adapt to evolving requirements set them apart."

Jan 31, 2025
CEO & Founder, BrightStar Live Events, LLC
Akal Sahai Khalsa
Verified
  • Other industries
  • Saco, Maine
  • 1-10 Employees
  • Online Review
  • Verified

Calda developed a multi-vendor event marketplace for an event marketing solutions company. The goal was to simplify event management through a user-friendly platform with AI features.

Mobile App Dev for Advertising Company

  • Low/No Code Development Mobile App Development UX/UI Design
  • FlutterFlow
    +4
  • $10,000 to $49,999
  • Feb. 2024 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Their dedication to quality and attention to detail make them stand out."

Nov 16, 2024
Founder & CEO, Knight & Knave
Eric Druckenmiller
Verified
  • Advertising & marketing
  • South Salem, New York
  • 1-10 Employees
  • Online Review
  • Verified

Calda provides mobile app development services for an advertising company. The tasks include designing the app's UX/UI and custom development in Flutter and FlutterFlow.

UI/UX Design & Software Development for Real Estate Solutions Provider

  • Custom Software Development Mobile App Development UX/UI Design
  • UX Strategy
    +5
  • $10,000 to $49,999
  • Sep. 2023 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"They want their projects to be amazing, on budget, and on time."

Apr 8, 2024
Owner, All Things NWA
Phillip Shepard
Verified
  • Other industries
  • 1-10 Employees
  • Online Review
  • Verified

Calda was hired by a real estate solutions provider for their UI/UX design and software development services. The team is responsible for iOS and Android incorporation, admin and data management, and ongoing maintenance and support.

Mobile App MVP Dev for Healthcare Services Platform

  • Mobile App Development UX/UI Design
  • Confidential
  • Mar. - June 2023
4.5
Quality
4.5
Schedule
4.0
Cost
5.0
Willing to Refer
4.5

"They were very responsive to my needs and communicative throughout the partnership."

Jul 13, 2023
Founder & Chief Operator, Functional Health
Kevin Till
Verified
  • Other industries
  • Goleta, California
  • 1-10 Employees
  • Online Review
  • Verified

Calda Technologies designed and developed the MVP version of a healthcare services platform. The team integrated Supabase for the backend, Firebase for authentication, and third-party APIs.

Mobile App Development for Fast Food Restaurant

  • Custom Software Development Mobile App Development UX/UI Design Web Development
  • Android App Development
    +4
  • $10,000 to $49,999
  • Oct. - Nov. 2022
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Calda made sure that the process was quick and efficient, which was of utmost importance to me."

May 17, 2023
CEO, Fast Food Restaurant
Anonymous
Verified
  • Other industries
  • Ljubljana, Slovenia
  • 11-50 Employees
  • Online Review
  • Verified

Calda developed a fast food restaurant's mobile app featuring a loyalty system. The vendor made the UX wireframes, designed the UI, built the frontend in Bravio Studio, and created the backend in Supabase.

MVP Development Services for IT Company

  • Application Testing Mobile App Development UX/UI Design
  • Airtable
    +2
  • Confidential
  • May 2022 - Ongoing
5.0
Quality
5.0
Schedule
4.5
Cost
5.0
Willing to Refer
5.0

"Everything was great."

May 11, 2023
Co-Founder, IT Company
Anonymous
Verified
  • Other industries
  • United Arab Emirates
  • 1-10 Employees
  • Online Review
  • Verified

Calda has built an MVP for an IT company. The team has worked on features that allow users to sign up and verify their accounts, view news and access RSS feeds, opt in and out of memberships, and set meetings.

Mobile App Dev for Soft Skill Development Company

  • Mobile App Development UX/UI Design
  • Less than $10,000
  • Sep. - Dec. 2022
5.0
Quality
4.5
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"The Calda team was fun to work with."

Apr 5, 2023
Founder, Poccit, Inc.
Joey Kappen
Verified
  • Education
  • Cincinnati, Ohio
  • 1-10 Employees
  • Online Review
  • Verified

Calda created a prototype for a soft skill development company. They used Bravo Studio to create the MVP based on the client's Figma wireframes. They launched the app on the App Store and Google Play Store.

Mobile App Development for Diabetes App Company

  • Mobile App Development
  • Health & Wellness Mobile App Development
  • Confidential
  • Apr. 2025 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"Calda's team is really good."

Apr 17, 2026
CEO, Subseven
Chris Putsch
Verified
  • Other industries
  • United States
  • 1-10 Employees
  • Online Review
  • Verified

Calda has designed and built a production app from scratch, ready for app store distribution, for a diabetes app company. The team has handled UI/UX design, backend development, testing, and app deployment.

Mobile App Dev for Social Networking Company

  • Mobile App Development UX/UI Design
  • $10,000 to $49,999
  • June 2025 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
5.0
Willing to Refer
5.0

"They care about our product."

Apr 8, 2026
CEO, Recap
Matej Ivanetic
Verified
  • Consumer products & services
  • Slovenia
  • 1-10 Employees
  • Online Review
  • Verified

Calda provides mobile app development services for a social networking platform. The team is tasked with building the app from scratch based on the client's idea.

Showing 1-10 of 24 Reviews

Locations (1)

Gospodinjska ulica 8 LjubljanaSlovenia 1000

16 - 20

Contact Calda

If you’re not seeing exactly what you need here, send this company a custom message. You can talk about your project needs, price, and timeline to get started on your project.

Get connected to see updates from Calda like new case studies, latest reviews, their latest masterpieces in their portfolio, delivered straight to you.

Recap

(1)
Recap Logotype

Recap App

Subseven

(1)
Subseven Logotype

Chris Putsch

Additional Connections

(4)