$10,000+
$30 - $49 / hr
10 - 49
Startups
Ukraine, Kyiv
2018
Within 2-3 weeks
App development agency

Committed to building the best digital experiences that bring value.
The services we cover:
* Strategic Business Consulting: Project estimation, Business analysis, Market research, Requirements elicitation
* Product Design: Product Design sprint, Prototyping, UX/UI Design
* Web & Mobile Development: cross-platform and native web and mobile applications. Backend and API development.
* Support and Growth: Post-launch support, Software update, New features development
* Team Augmentation: building and managing a dedicated remote team

App development agency

Techreviewer rating

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5.0

Client review platforms

The company's reputation is reflected through ratings and reviews from different review websites:

5.0
(18 reviews)Clutch

AI Overview

Powered bytechreviewer AI
This company performance overview is based on AI analysis of 18 client reviews across 1 review platform. Read more about our methodology.
Last updated: April 2026

Performance snapshot

Krootl presents a consistently strong performance profile across 18 reviews sourced from a single platform, with all but one review awarding a perfect 5.0 overall rating. The vendor demonstrates particular depth in mobile app development, API integration, and cross-platform delivery, serving startups through enterprise clients. Ratings across all five evaluation categories trend Strong, anchored by multiple high-density reviews containing measurable outcomes and named technologies. The sole area of note is a single review reflecting below-average cost value and slightly reduced schedule and quality sub-scores, preventing a fully unqualified assessment.

Performance breakdown

Technical expertise
Strong

Multiple high-density reviews confirm proficiency in Flutter, AR/VR, API development, ML/AI functions, and DevOps, with one project achieving 99.9% API uptime and sub-200ms response times. Named technologies and measurable outcomes appear across at least three anchor reviews, meeting the Strong threshold.

Project management & delivery
Mixed

The majority of reviews praise on-time, within-budget delivery and effective use of agile methodology and tools such as Jira and Slack. However, one review recorded a schedule sub-rating of 4.5 and another rated schedule at 4.0, introducing minor inconsistency that prevents a fully Strong designation.

Communication & collaboration
Strong

Reviewers consistently highlight transparent communication, regular progress updates, real-time availability across time zones, and seamless team integration. At least two anchor reviews with specific project context reinforce this pattern, and no negative communication mentions appear across the dataset.

Reliability
Strong

Krootl is described as delivering bug-free, stable products across multiple engagements, including a fintech app noted for zero bugs and crashes and a HealthTech app delivered with minimal bugs. Consistent deadline adherence and responsive issue resolution further support a Strong reliability rating.

Client satisfaction & outcomes
Strong

Tangible outcomes include 5,000 AR app sign-ups at launch, photo upload time reduced from three minutes to 60 seconds, a live App Store deployment, and a cost-saving grocery delivery app launch. These specific, quantified business results across multiple clients satisfy the Strong anchor criteria.

Best for

Krootl is best suited for startups and SMBs seeking end-to-end mobile and web application development, particularly in HealthTech, EdTech, FinTech, and Food & Beverage verticals, where on-time delivery, Flutter expertise, and responsive collaboration are priorities.

Clients info

Krootl's client base spans HealthTech, EdTech, FinTech, Food & Beverage, Hospitality, and Information Technology sectors. Most clients are small businesses with 1–50 employees, though at least one engagement involved an enterprise with over 10,000 employees. Project budgets most commonly fall in the $10,000–$199,999 range, with one engagement reaching $200,000–$999,999. Primary industries represented include HealthTech, Financial Services, Food & Beverage, EdTech, Hospitality & Leisure, Information Technology. Typical client size bands include 1–10 Employees, 11–50 Employees, 1,001–5,000 Employees, 10,001+ Employees. Common project budget ranges include $10,000 to $49,999, $50,000 to $199,999, $200,000 to $999,999.

Review strength

The assessment is based on 18 reviews drawn from a single platform, which limits cross-platform validation. Reviews span from January 2018 through March 2026, with the majority published between 2022 and 2026, ensuring strong recency. One review references a project beginning in January 2018, which is notably dated. Review date range: 2018-01-01 - 2026-03-24.

Performance breakdown

Technical expertise
Strong

Multiple high-density reviews confirm proficiency in Flutter, AR/VR, API development, ML/AI functions, and DevOps, with one project achieving 99.9% API uptime and sub-200ms response times. Named technologies and measurable outcomes appear across at least three anchor reviews, meeting the Strong threshold.

Project management & delivery
Mixed

The majority of reviews praise on-time, within-budget delivery and effective use of agile methodology and tools such as Jira and Slack. However, one review recorded a schedule sub-rating of 4.5 and another rated schedule at 4.0, introducing minor inconsistency that prevents a fully Strong designation.

Communication & collaboration
Strong

Reviewers consistently highlight transparent communication, regular progress updates, real-time availability across time zones, and seamless team integration. At least two anchor reviews with specific project context reinforce this pattern, and no negative communication mentions appear across the dataset.

Reliability
Strong

Krootl is described as delivering bug-free, stable products across multiple engagements, including a fintech app noted for zero bugs and crashes and a HealthTech app delivered with minimal bugs. Consistent deadline adherence and responsive issue resolution further support a Strong reliability rating.

Client satisfaction & outcomes
Strong

Tangible outcomes include 5,000 AR app sign-ups at launch, photo upload time reduced from three minutes to 60 seconds, a live App Store deployment, and a cost-saving grocery delivery app launch. These specific, quantified business results across multiple clients satisfy the Strong anchor criteria.

Location and contacts

Ukraine, Kyiv
Saksahanskoho
01001

Major clients

Fintech
Wellness
Healthcare
Foodtech