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Fiverr Pro
Français
$
USD
Our agency will do mobile app development, ios app, android app, react native, flutter developer
Kretoss Tech
Vetted Pro
Level 2
Agence
commande 1 en file d'attente
5,0
5,0
Ce que les gens ont aimé chez ce freelance
mat_its_mk
Allemagne
Great work on the mobile app development! This is a large project, and once again, this milestone was completed successfully. Communication was smooth, the...
aitorramos
Espagne
Another excellent experience with the team. They continue to make solid progress on a complex project, always showing commitment, patience, and a willingness...
dani_plantworld
États-Unis
The project was really well done and delivered fast. The solution was what I expected and I would definitely hire them again if I need help in my website.
carlosmartin390
Royaume-Uni
We’ve been working with Kretoss on the development of our app, and the experience has been outstanding. From the very beginning, the team demonstrated a high...
bhavin_mist
Canada
We worked with Kretoss to implement our mobile app based on a defined set of requirements, and overall the experience was solid. They demonstrated a clear understanding...
Certifié par Fiverr Pro
Kretoss Tech a été sélectionné par l'équipe Fiverr Pro pour son expertise.
À propos de ce service
Looking for a reliable team to build your mobile app? You're in the right place.
Hi, I'm the CEO & founder of Kretoss Technology.
We have 900+ verified 5-star reviews on Fiverr and specialize in Mobile App Development, Flutter, React Native, Android & iOS App Development, Firebase, Supabase, Node.js, and AI-powered solutions.
Our Services
- Mobile App Development
- Flutter App Development
- React Native App Development
- iOS & Android App Development
- UI/UX Design (Figma)
- Firebase & Supabase, Node.js Backend
- API & Payment Gateway Integration
- Full-Stack Web Development
- AI Integration
Our Process
- Requirement Analysis
- UI/UX Design
- Development
- Testing & QA
- App Store & Play Store Deployment
Why Choose Kretoss Technology?
- 900+ 5-Star Reviews
- 100% Custom Development
- Clean & Scalable Code
- On-Time Delivery
- Full Source Code Ownership
- Post-Launch Support
Whether you need an MVP, startup app, business solution, marketplace, booking, healthcare, food delivery, Dating, Taxi booking or any custom mobile app, we're ready to bring your idea to life.
Message us today for a free consultation, and let's build something amazing together!
Comment ça marche ?
Suivez ces étapes pour terminer votre Offre Basique Projet :
- 1
Requirements - Contact us and share your requirements without payment for any order - We will discuss everything via chat or a zoom call - We will share a quotation and timeline based on your requirements
- 2
Design concept - We deliver complete design of the application/game - The first phase ends only after the buyer/client approves the design
- 3
App Development - We will develop App frontent same like design - Once client approve this milestone we will move to next one
- 4
Backend Development - We will develop Backend API and connect to App - Client will test and complete this milestone
- 5
Product Delivery - We will deliver a complete, working Mobile App - Client will test and review and move to next milestone
- 6
Going Live - We will test and upload the final application to the respective domain or app stores - The final phase ends once apps are uploaded to the respective stores.
À propos de cette agence
Kretoss Tech
Vetted Pro
Agence
50 employés
Level 2
Kretoss Tech fait partie du catalogue Fiverr Pro et a été trié sur le volet par une équipe Fiverr Pro agréée pour ses compétences et son expertise.
Certifié pour
Développement d'applications mobiles
Développement de sites Web
- DeInde
- Membre depuismars 2015
- Temps de réponse moy.1 heure
- Dernière commandeenviron 18 heures
Langues
Anglais, Hindi, Gujarati
Kretoss Technology delivers production-ready Web, Mobile, AI, and Custom software solutions for startups & enterprises clients.
AI Automation, AI Agents, SaaS Dev, Mobile Apps, Web Dev, ERP & CRM, Shopify, Flutter, React, UI/UX, and API Integrations.
✓ 1,500+ successful projects delivered worldwide
✓ 12+ years of software development expertise
✓ Trusted by startups & enterprise clients
✓ Dedicated team of experienced engineers
✓ Transparent communication
OpenAI, Claude, React, Next.js, Flutter, React Native, Laravel, Node.js, Python, .NET, Supabase, Firebase, PostgreSQL, Shopify & AWS.
Portfolio
Autres services de Développement d'applications mobiles que nous proposons
FAQ
Will you provide the source code of the app?
Yes! With every order, I will provide you with the complete source code of the app developed in Flutter or React native.
What will be the price and timeline for my project?
The price and timeline depend on the complexity and requirements of your project. Let’s discuss your needs, and I’ll provide a clear estimate during our meeting.
Do you customize existing Mobile apps?
Yes, I can customize your existing Flutter app. We’ll need to discuss the exact issues or features you want to modify to ensure a perfect solution.
Do you offer app deployment services?
Yes, I can upload your app to Google Play Store or Apple App Store. However, you’ll need to provide the required documents, including terms and conditions and your company policy.
What is the design UI/UX phase?
The design phase involves creating the user interface (UI) and user experience (UX) of your app, ensuring it’s visually appealing and user-friendly before moving to development.
Can you build an app using AI?
We offer both traditional custom app development and AI-assisted app development. We can build your app using Flutter, React Native, or AI-powered development workflows based on your project requirements, budget, and goals. The choice is entirely yours.
Can you build the backend/API as well?
Absolutely. I provide complete end-to-end development including backend APIs, admin dashboard, database design, authentication, payment integration, notifications, and cloud deployment.
Can you integrate third-party APIs into my app?
Yes sure, I can integrate various third-party APIs, such as payment gateways, social media logins, geolocation services, and more, based on your app's requirements.
Do you provide post-development support?
Yes, I offer post-development support for bug fixes and minor changes to ensure your app runs smoothly after delivery.
Can you develop a multilingual app?
Yes, I can develop apps that support multiple languages to cater to a broader audience.
Avis
258 avis concernant ce service
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Détails de la notation
- Niveau de communication avec le freelance
- Qualité de la livraison
- Valeur de la livraison
Trier par
Les plus pertinents
M mat_its_mk
Allemagne
Collaboration en coursGreat work on the mobile app development! This is a large project, and once again, this milestone was completed successfully. Communication was smooth, the implementation was professional, and both the Android and iOS versions turned out very well. I’m very happy with the result and would definitely recommend working with this developer.
800 $US-1 000 $US
Prix
3 semaines
Durée
R 
Réponse du freelance
Utile?A aitorramos
Espagne
Collaboration en coursAnother excellent experience with the team. They continue to make solid progress on a complex project, always showing commitment, patience, and a willingness to improve every detail. Communication is good, feedback is taken seriously, and they are always available to discuss solutions when needed. Very...
800 $US-1 000 $US
Prix
3 jours
Durée
Utile?T teodoratuf
Bosnie-Herzégovine
Collaboration en coursWorking with Kretoss and continuing to work with them has been a very positive experience. They’re professional, experienced, and take the time to fine-tune even minor requests until the result matches exactly what I envisioned. They’ve also been understanding about scheduling despite the time zone differences,...
1 000 $US-2 500 $US
Prix
3 Mois
Durée
R Réponse du freelance
Utile?A aitorramos
Espagne
Collaboration en coursAnother great experience working with this team. This is a complex and demanding project, and they continue to approach every challenge with patience, professionalism, and a problem-solving mindset. They listen carefully to feedback and work hard to turn the requirements into a functional product. I...
600 $US-800 $US
Prix
5 jours
Durée
R Réponse du freelance
Utile?D dani_plantworld
États-Unis
Collaboration en coursThe project was really well done and delivered fast. The solution was what I expected and I would definitely hire them again if I need help in my website.
600 $US-800 $US
Prix
4 jours
Durée
R Réponse du freelance
Utile?
Avis
258 avis concernant ce service
| (249) | ||
| (6) | ||
| (1) | ||
| (0) | ||
| (2) |
Détails de la notation
- Niveau de communication avec le freelance
- Qualité de la livraison
- Valeur de la livraison
Trier par
Les plus pertinents
M mat_its_mk
Allemagne
Collaboration en coursGreat work on the mobile app development! This is a large project, and once again, this milestone was completed successfully. Communication was smooth, the implementation was professional, and both the Android and iOS versions turned out very well. I’m very happy with the result and would definitely recommend working with this developer.
800 $US-1 000 $US
Prix
3 semaines
Durée
R Réponse du freelance
Utile?A aitorramos
Espagne
Collaboration en coursAnother excellent experience with the team. They continue to make solid progress on a complex project, always showing commitment, patience, and a willingness to improve every detail. Communication is good, feedback is taken seriously, and they are always available to discuss solutions when needed. Very...
800 $US-1 000 $US
Prix
3 jours
Durée
Utile?T teodoratuf
Bosnie-Herzégovine
Collaboration en coursWorking with Kretoss and continuing to work with them has been a very positive experience. They’re professional, experienced, and take the time to fine-tune even minor requests until the result matches exactly what I envisioned. They’ve also been understanding about scheduling despite the time zone differences,...
1 000 $US-2 500 $US
Prix
3 Mois
Durée
R Réponse du freelance
Utile?A aitorramos
Espagne
Collaboration en coursAnother great experience working with this team. This is a complex and demanding project, and they continue to approach every challenge with patience, professionalism, and a problem-solving mindset. They listen carefully to feedback and work hard to turn the requirements into a functional product. I...
600 $US-800 $US
Prix
5 jours
Durée
R Réponse du freelance
Utile?D dani_plantworld
États-Unis
Collaboration en coursThe project was really well done and delivered fast. The solution was what I expected and I would definitely hire them again if I need help in my website.
600 $US-800 $US
Prix
4 jours
Durée
R Réponse du freelance
Utile?
