Apps.
Websites.
AI.

Digital products that actually work — native iOS & Android apps, high-performance websites and AI integrations.

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SwiftKotlinReact NativeNext.jsTypeScriptReactTailwind CSSExpoVercelFlutterSupabaseOpenAIAnthropic ClaudeLangChainVector DBsSwiftKotlinReact NativeNext.jsTypeScriptReactTailwind CSSExpoVercelFlutterSupabaseOpenAIAnthropic ClaudeLangChainVector DBs
Built to matter.
Services

What we
build for you.

Three core competencies. One team. No outsourcing.

01 — Mobile

iOS & Android Apps

Native and cross-platform mobile apps from idea to launch. UX/UI, development and App Store rollout — all in one place.

SwiftKotlinReact NativeFlutter
9:41
●●●100%
Good morning, Mark
Your Apps
📱
iOS App
Swift · UIKit
4.8 ★
🤖
Android App
Kotlin · Jetpack
4.9 ★
⚛️
React Native
Cross-platform
4.7 ★
🛍️
E-Commerce
iOS · Android
4.8 ★
💪
Fitness Tracker
HealthKit · Watch
4.9 ★
🏦
FinTech App
iOS · Android
4.8 ★
📱
iOS App
Swift · UIKit
4.8 ★
🤖
Android App
Kotlin · Jetpack
4.9 ★
⚛️
React Native
Cross-platform
4.7 ★
🛍️
E-Commerce
iOS · Android
4.8 ★
💪
Fitness Tracker
HealthKit · Watch
4.9 ★
🏦
FinTech App
iOS · Android
4.8 ★
02 —
Kannst du mir eine Support-Antwort schreiben?

AI & Automation

Intelligent chatbots, workflow automation and LLM integrations with ChatGPT, Claude and open-source models.

OpenAIClaudeLangChain
03 —
ottosolutions.es/analytics
Weekly Conversions
MoDiMiDoFrSa

Web Development

High-performance websites with Next.js — optimized for speed, SEO and conversion.

Next.jsTypeScriptTailwind

Ready for your project?

Let's talk — the first 30 minutes are on us.

Get in touch
By the numbers

Results that speak.

0+
Completed projects
0
Core competencies
0%
Customer satisfaction
0
Languages — DE · EN · ES

From Valencia
to the world.

As a Spanish company we work with clients across Germany, Spain and Europe — remote, on time, in three languages.

More about us
Portfolio

Selected
work.

Every solution is tailor-made. A selection of our projects.

9:41
●●●100%
Guten Morgen, Mark
Heute
Schritte8,432
Kalorien412 kcal
🏃
5km Lauf
Empfehlung · 30 min
iOS · HealthKit

FitTrack

Fitness Tracker with Apple Watch

Native iOS app with HealthKit, Apple Watch companion app and personalised training plans.

50k+Downloads
4.8 ★App Store
SwiftHealthKitwatchOSCore Data
Next.js · E-Commerce
auracommerce.es
Sneaker Pro
€129
Watch X
€249
Bag Luxe
€89
Cap Y
€39

AuraCommerce

Multi-Language Premium Shop

Headless e-commerce with Stripe integration, DE/EN/ES support and 99 Lighthouse score.

99Lighthouse
3Languages
Next.jsStripeSanity CMS
AI · Automation
Wann ist meine Lieferung da?
Hi! Bestellung #4521 ist unterwegs 📦 Ankunft: morgen, 14–16 Uhr.
Perfekt, danke!

NovaChat

Custom AI Chatbot

GPT-4 powered chatbot trained on company data — integrated into web + WhatsApp Business.

−60%Support load
24/7Available
GPT-4LangChainVector DB
Web App · Cross-Platform

LogiX

Logistics Platform for SMBs

Real-time tracking, order management and driver app. Web dashboard for dispatchers, iOS for drivers.

200+Trucks
12Locations
Real-timeTracking
ReactNode.jsMapBoxPostgreSQL
📍 Map
📦 Orders
🚚 Drivers
📊 Reports
Live Tracking
12 aktive Routen
Heute
284
Pünktlich
98%
🚚
🚚
🚚
📍
About us

We are
Otto Solutions.

As a Spanish SL based in Valencia, we build apps and websites for clients in Germany, Spain and across Europe — as equals, with real quality.

We speak fluent German, English and Spanish and deliver projects on time, on budget and with passion.

Legal formSociedad Limitada (SL)
LocationValencia, Spain
LanguagesGerman · English · Spanish
FocusMobile · Web · AI
OS
Otto Solutions SL
Founder & Lead Developer

We build apps and websites with focus on clean code, thoughtful design and real business impact. No outsourcing, no copy-paste.

SwiftKotlinNext.jsReact NativeReactTypeScriptTailwindOpenAIAnthropicLangChain
Valencia, Spain — available for new projects
Contact

Let's
talk.

Whether it's a small MVP or a large web app — we listen and turn it into something that actually works.

📍
LocationValencia, Spain
✉️
Emailhallo@ottosolutions.es
📞
Phone+34 000 000 000