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🐙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 with good value for cost, as noted by clients across various projects. Their services span app development and design, with team sizes typically ranging from 2 to 10 members. Clients appreciate their responsiveness and commitment to meeting deadlines.

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

  • Positive Client Relationships

    Clients appreciated Calda's partnership approach, noting the team's enthusiasm and genuine interest in project success, strengthening client relationships.

  • Expertise in App Development

    Calda's expertise in app development, particularly using platforms like FlutterFlow and Supabase, was consistently highlighted by clients across various projects.

  • High Quality Deliverables

    Clients praised Calda for delivering high-quality products that met or exceeded expectations, indicating strong technical expertise and a commitment to excellence.

  • Areas for Improvement in Scoping

    While Calda was praised for their work, some clients suggested improvements in project scoping and initial time estimates to better align expectations and prevent delays.

  • Responsive and Adaptive Team

    Calda was frequently commended for their responsiveness and adaptability, quickly addressing client needs and adjusting to changes effectively.

  • Commitment to Client Success

    Calda's commitment to ensuring client success was evident in their dedication, often working beyond regular hours to meet tight deadlines and deliver project objectives.

Calda Reviews

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End-To-End Development Services for Social App

  • Custom Software Development Mobile App Development UX/UI Design
  • Android App Development iPhone iOS App Development Social App Development
  • $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 UX Strategy Consumer Mobile App Development Android App Development iPhone iOS App Development
  • $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 Android App Development iPad iOS App Development iPhone iOS App Development Webflow Flutter
  • $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 iPhone iOS App Development Python SQL Typescript
  • $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 Android App Development iPhone iOS App Development
  • 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

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Recap App

Subseven

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Chris Putsch

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