# Techsy > Enterprise software development agency shipping custom web apps, mobile apps, CRM, ERP, AI integrations, voice agents, process automation, and cybersecurity for startups and mid-market companies across Europe, North America, and the Middle East. Techsy builds production software for businesses that outgrow templates and no-code tools. Offices in Istanbul (Turkey) and London (UK). We deliver in 23 languages: English, German, French, Dutch, Spanish, Italian, Swedish, Norwegian, Turkish, Arabic, Czech, Danish, Greek, Finnish, Indonesian, Japanese, Korean, Polish, Portuguese, Romanian, Ukrainian, Vietnamese, Traditional Chinese. The canonical site is https://techsy.io. All product pages, blog posts, and case studies are also available as raw Markdown by appending `.md` to any URL — designed for efficient ingestion by retrieval-augmented AI systems. ## Services - [Web Applications](https://techsy.io/services/web-applications): Custom web platforms and SaaS products - [Mobile Apps](https://techsy.io/services/mobile-apps): iOS, Android, and cross-platform applications - [Enterprise Solutions](https://techsy.io/services/enterprise-solutions): ERP, legacy modernization, and data platforms ## Solutions - [CRM Systems](https://techsy.io/solutions/crm-systems): Custom CRM platforms and Salesforce alternatives - [ERP Solutions](https://techsy.io/solutions/erp-solutions): Enterprise resource planning across finance, inventory, HR - [AI Integration](https://techsy.io/solutions/ai-integration): LLM integration, RAG, and generative AI features - [Voice Agents](https://techsy.io/solutions/voice-agents): Production voice AI for support, sales, and scheduling - [Process Automation](https://techsy.io/solutions/process-automation): RPA and workflow automation for mid-market - [Cybersecurity](https://techsy.io/solutions/cybersecurity): Penetration testing, SOC 2 readiness, compliance ## Tools and Calculators - [Mobile App Development Cost Calculator](https://techsy.io/resources/tools/mobile-app-cost-calculator): Estimate iOS/Android/cross-platform app cost by feature and region - [Web App Development Cost Calculator](https://techsy.io/resources/tools/web-app-cost-calculator): Custom web application cost by framework and scope - [MVP Cost Calculator](https://techsy.io/resources/tools/mvp-cost-calculator): Realistic MVP cost and timeline for founders - [Custom Software Cost Calculator](https://techsy.io/resources/tools/custom-software-cost-calculator): Bespoke software project cost estimator - [SaaS Development Cost Calculator](https://techsy.io/resources/tools/saas-development-cost-calculator): B2B SaaS build cost plus monthly operating estimates - [CRM Implementation Cost Calculator](https://techsy.io/resources/tools/crm-implementation-cost-calculator): Off-the-shelf vs custom CRM breakeven analysis - [ERP Implementation Cost Calculator](https://techsy.io/resources/tools/erp-implementation-cost-calculator): Total cost of ownership for ERP deployment - [AI Integration Cost Calculator](https://techsy.io/resources/tools/ai-integration-cost-calculator): Build cost plus monthly API/infrastructure estimate - [Voice AI Agent Cost Calculator](https://techsy.io/resources/tools/voice-agent-cost-calculator): Voice agent build plus per-minute operating cost - [Process Automation ROI Calculator](https://techsy.io/resources/tools/process-automation-roi-calculator): Payback period and 3-year savings projection - [Cybersecurity Audit Cost Calculator](https://techsy.io/resources/tools/cybersecurity-audit-cost-calculator): SOC 2, ISO 27001, pentest cost by scope - [OpenAI / LLM API Cost Calculator](https://techsy.io/resources/tools/openai-api-cost-calculator): Compare GPT, Claude, Gemini monthly API costs ## Community — Open-source Claude Skills and AI subagents - [Claude Skills](https://techsy.io/community/claude-skills): Curated multi-agent Skills with subagent rosters and pipelines (30 published) - [AI Automations](https://techsy.io/community/ai-automations): Free Claude subagent definitions across marketing, finance, outreach, coding, security, and academic categories (215 published) ## Portfolio Case Studies - [Legally](https://techsy.io/portfolio/legally): AI-powered legal document scanner that makes complex legal language accessible to everyone. - [Karabulut Fight Club](https://techsy.io/portfolio/karabulut-fight-club): Bold martial arts club website with a dark theme and gold accents. Built for the Karabulut Fight Club in Istanbul, showcasing training programs and class schedules. - [Voice Agent](https://techsy.io/portfolio/voice-agent): End-to-end voice AI platform for building, deploying, and scaling intelligent voice agents with sub-500ms latency and native SIP trunk support. - [Akollo](https://techsy.io/portfolio/akollo): Multi-tenant B2B SaaS workspace with team-only billing, role-based permissions, and a Supabase data layer powering everything from project ops to invoicing. - [PukoAI](https://techsy.io/portfolio/pukoai): Self-hosted AI chat platform with a developer API layer, per-user metering, and streaming responses across multiple model providers, built on Django + FastAPI + Next.js. - [BestDent](https://techsy.io/portfolio/bestdent): Premium dental clinic website rebuilding a long-running WordPress property on Next.js + Sanity, with 36-language i18n, RTL support, and SEO-preserving URL parity. - [Navio](https://techsy.io/portfolio/navio): Family-connected travel app on Flutter + Firebase: real-time trip tracking, family-safety alerts, and a sky/moon adaptive theme that follows the journey. - [BetterFit](https://techsy.io/portfolio/betterfit): AI fitness companion app with calorie tracking, macro analytics, muscle health and recovery scoring, body-weight trends, recipe library, social leaderboard, and an addiction-recovery onboarding flow. Marketing site at betterfit.io. - [DEEX.in](https://techsy.io/portfolio/deex): Architecture and interior-design studio website built around a full-bleed project mosaic and curated case-study reading flow. - [Growth AI](https://techsy.io/portfolio/growth-ai): Autonomous SEO and multi-channel content platform where 11 AI agents research, write, schedule, and publish to LinkedIn, Instagram, X, and your blog. - [BlogerAgent](https://techsy.io/portfolio/bloger-agent): Multi-agent SEO content pipeline that researches, outlines, drafts, edits, and publishes long-form articles end to end. - [Aurora Studio](https://techsy.io/portfolio/aurora-studio): In-browser 3D design tool with a component sidebar, live 3D canvas, and an inspector that drives layout, materials, and scene settings. - [InsightHub](https://techsy.io/portfolio/insight-hub): AI trend monitoring console that ranks emerging stories across Reddit, X, arXiv, and RSS with an auto-summary and a trend score. - [BuildAI](https://techsy.io/portfolio/build-ai): AI-native IDE for SaaS landing pages: chat with an agent on the left, live page preview on the right, ship sections without writing code. - [Linkstack](https://techsy.io/portfolio/linkstack): Workspace integrations hub: connect email, calendar, sheets, storage, messaging, and identity providers behind a single permissions surface. - [BestDent Patient](https://techsy.io/portfolio/bestdent-patient): iOS and Android companion to the BestDent dental clinic platform. Patients book treatments, follow visual treatment plans, view X-rays, and switch between any of the clinic's 36 supported languages mid-session. - [BestDent Team](https://techsy.io/portfolio/bestdent-team): Staff-side Flutter app pairing with the BestDent patient platform. Chair-side schedule, voice-dictated treatment notes, inventory, and day-end billing in one operatory-ready surface. - [FocusedEven](https://techsy.io/portfolio/focusedeven): Anti-distraction app that intercepts the social apps eating your day, runs scheduled focus sessions, and shows the hours you took back. Built on iOS Screen Time and Android Digital Wellbeing APIs. - [ClimbUp](https://techsy.io/portfolio/climbup): Self-improvement app that compresses daily habits, journaling, mood tracking, and a yearly goal cascade into one five-minute daily check-in. - [KidsGrowth](https://techsy.io/portfolio/kidsgrowth): AI-tutor learning app for kids 5 to 9 with adaptive math, reading, and science worlds, a friendly tutor character, and a parent dashboard that respects screen-time limits. - [Pulseboard](https://techsy.io/portfolio/pulseboard): Funnel-first analytics console with live visitor, session, conversion, and revenue cards plus stage-by-stage drop-off in one view. - [Logistic MVP](https://techsy.io/portfolio/logistic-mvp): Fleet-and-dispatch operations console we ship as a productised MVP for logistics operators: live vehicle telemetry, route revenue, and a Turkey distribution map wired straight into the customer order pipeline. ## Recent Blog Posts - [Best AI Form Builders: 8 Scored on Logic, Pay, Spam](https://techsy.io/blog/best-ai-form-builders): Fillout Starter is $15 a month on yearly billing among the best AI form builders we scored on 17 August 2026. Tally still ships logic, Strip - [Best AI Social Media Schedulers 2026: 8 Ranked on Failed-Publish Recovery](https://techsy.io/blog/best-ai-social-media-schedulers): Eight AI social media schedulers ranked on queue caps, approval workflows, and what happens when a scheduled post dies. Live prices from 17 - [Best AI UGC Video Tools in 2026: 8 Ranked by Time-to-First-Usable-Clip](https://techsy.io/blog/best-ai-ugc-video-tools): We scored eight AI UGC video tools on time-to-first-usable-clip using one 90-second Next.js 15 dashboard take and 17 August 2026 prices. Cap - [Claude Sonnet 5.5: Same $2/$10, but the 30% Saving Only Shows Up on Long Jobs](https://techsy.io/blog/claude-sonnet-5-5): Claude Sonnet 5.5 shipped on 28 September 2026 at Sonnet 5's $2/$10 price. We metered 19 graded API calls a day later: 11.1% cheaper on a lo - [Best AI Personal Assistants 2026: 8 Ranked on Inbox, Not Chat](https://techsy.io/blog/best-ai-personal-assistants): Jace Plus at $20 a year-billed month is the inbox pick among eight AI personal assistants we priced on 17 August 2026. Littlebird is the mem - [GPT-6 Astra vs Claude Opus 5.5 vs Grok 4.7: Bill, GDPval, and a Six-Call Meter](https://techsy.io/blog/gpt-6-astra-vs-opus-5-5-vs-grok-4-7): GPT-6 Astra, Claude Opus 5.5, and Grok 4.7 do not share one scoreboard. On 22 Sep 2026 we graded six OpenRouter calls, all passed, and the b - [Claude Opus 5.5: $4/$20 Pricing, the Limits, and What We Metered](https://techsy.io/blog/claude-opus-5-5): Claude Opus 5.5 launched on 22 Sep 2026 at $4 and $20 per million tokens, with cache reads at $0.20. Nine graded OpenRouter calls that eveni - [Grok 4.7 vs Grok 4.6: Same $2/$6, and the Board Splits by Job](https://techsy.io/blog/grok-4-7): SpaceXAI shipped Grok 4.7 on 21 September 2026 at the same $2 and $6 token rates as Grok 4.6. The launch board splits by job, and 12 graded - [Best Newsletter Platforms: 7 Compared, Who Keeps Your $8?](https://techsy.io/blog/best-newsletter-platforms): beehiiv Scale is $43/mo annual and takes 0% of paid subscriptions. We modeled 400 readers at $8/mo across seven newsletter platforms on 17 A - [Best AI Meeting Assistants in 2026: 8 Ranked on Action-Item Recall](https://techsy.io/blog/best-ai-meeting-assistants): Eight AI meeting assistants scored against a 12-minute standup gold set. Fireflies and Krisp emit owner-and-date tasks; Granola writes them - [Best AI Dictation Tools in 2026: 8 We Spoke the Same 800-Word Spec Into](https://techsy.io/blog/best-ai-dictation-tools): We spoke one 800-word technical spec into eight AI dictation tools and scored code tokens, filler words, and proper nouns. Superwhisper wins - [Is GPT-6 Astra Better Than Fable?](https://techsy.io/blog/gpt-6-astra): OpenAI calls GPT-6 Astra the world's most intelligent model. Independent benches still put Claude Fable 5.1 ahead. Here is the split, the $1 - [Claude Fable 5.1 Review: We Metered It Against Fable 5 and Opus 5](https://techsy.io/blog/claude-fable-5-1): Claude Fable 5.1 matched Fable 5 at 14/14 on our OpenRouter meter and cost 1.11× more. Opus 5 was 45% cheaper. The 75% cache-read cut is rea - [Best AI Customer Support Agents: 8 Ranked on Handoff, Not Hype](https://techsy.io/blog/best-ai-customer-support-agents): Eight AI customer support agents ranked on handoff quality and whether the bot cites the source article. Live prices pulled 17 August 2026 f - [Best AI Website Builders: 8 Compared, 2 I'd Publish](https://techsy.io/blog/best-ai-website-builders): Framer Basic at $10 a month is the default pick for a one-page agency site among the best AI website builders we scored on 17 August 2026. D - [Grok 4.6 vs Grok 4.5: We Ran 80 API Calls on Launch Day — Same 40/40, 1.38× the Bill](https://techsy.io/blog/grok-4-6): SpaceXAI shipped Grok 4.6 on 12 August 2026 at the same $2/$6 rate card as Grok 4.5. We sent 80 identical API calls to both models the same - [Horizontal vs Vertical SaaS: What 5 Public Companies' 2026 Numbers Show](https://techsy.io/blog/horizontal-vs-vertical-saas): Procore earns about $74,000 per customer. HubSpot earns about $10,800. Both sell software, and the horizontal vs vertical SaaS choice betwee - [Sessions, Traces & Spans in LLM Observability: One of These Isn't a Structural Level](https://techsy.io/blog/llm-observability-sessions-traces-spans): Sessions, traces and spans nest inside each other in LLM observability, but the OpenTelemetry GenAI spec only defines two of them as structu - [Deploy an LLM on Serverless GPU: 5 Platforms, Real Prices, Honest Cold Starts](https://techsy.io/blog/deploy-llm-serverless-gpu-guide): Five serverless GPU platforms priced side by side in $/GPU-hour, with the cold-start numbers vendors don't publish and the model-storage ans - [AI Agent Workflow Patterns: 7 Patterns and When Each One Actually Wins (2026)](https://techsy.io/blog/ai-agent-workflow-patterns): Seven AI agent workflow patterns keep recurring across every vendor taxonomy, but none of them wins everywhere. This post ranks them against ## Company - [About Techsy](https://techsy.io/about): Team, story, and approach - [Contact](https://techsy.io/contact): Offices in Istanbul and London, direct email, phone - [Portfolio](https://techsy.io/portfolio): Shipped client projects with technical and commercial outcomes - [Blog](https://techsy.io/blog): Engineering and strategy articles - [Tools and Calculators](https://techsy.io/resources/tools): Free cost and ROI calculators with methodology and sources - [Documents](https://techsy.io/resources/documents): Guides, playbooks, and reference material ## This file in other languages - [English (canonical)](https://techsy.io/llms.txt) - [English (en)](https://techsy.io/en/llms.txt) - [German (de)](https://techsy.io/de/llms.txt) - [French (fr)](https://techsy.io/fr/llms.txt) - [Dutch (nl)](https://techsy.io/nl/llms.txt) - [Spanish (es)](https://techsy.io/es/llms.txt) - [Italian (it)](https://techsy.io/it/llms.txt) - [Swedish (sv)](https://techsy.io/sv/llms.txt) - [Norwegian (no)](https://techsy.io/no/llms.txt) - [Turkish (tr)](https://techsy.io/tr/llms.txt) - [Arabic (ar)](https://techsy.io/ar/llms.txt) - [Czech (cs)](https://techsy.io/cs/llms.txt) - [Danish (da)](https://techsy.io/da/llms.txt) - [Greek (el)](https://techsy.io/el/llms.txt) - [Finnish (fi)](https://techsy.io/fi/llms.txt) - [Indonesian (id)](https://techsy.io/id/llms.txt) - [Japanese (ja)](https://techsy.io/ja/llms.txt) - [Korean (ko)](https://techsy.io/ko/llms.txt) - [Polish (pl)](https://techsy.io/pl/llms.txt) - [Portuguese (pt)](https://techsy.io/pt/llms.txt) - [Romanian (ro)](https://techsy.io/ro/llms.txt) - [Ukrainian (uk)](https://techsy.io/uk/llms.txt) - [Vietnamese (vi)](https://techsy.io/vi/llms.txt) - [Traditional Chinese (zh-tw)](https://techsy.io/zh-tw/llms.txt) ## Optional - [Privacy Policy](https://techsy.io/privacy) - [Terms of Service](https://techsy.io/terms) - [Cookie Policy](https://techsy.io/cookies) - [llms-full.txt (expanded content)](https://techsy.io/llms-full.txt) - [Sitemap](https://techsy.io/sitemap.xml)