# Dev Ring Technologies — factual reference > Dev Ring Technologies is the Dev Ring web, mobile and SEO brand based in Tunis, Tunisia. Contact: contact@dev-ring.com, +216 23 655 086. Public pages are available in French, English and Arabic. ## Services and working method The public offer covers custom web and mobile development, WordPress, business website design and SEO. Project scope, budget, timetable and maintenance are discussed for each assignment. The team starts with users and the existing situation, agrees priorities, builds and verifies the agreed scope, then hands over access and usage guidance. ## FR pages - [Home](https://dev-ring.com/fr) - [blog](https://dev-ring.com/fr/blog) - [portfolio](https://dev-ring.com/fr/portfolio) - [contact](https://dev-ring.com/fr/contact) - [a-propos](https://dev-ring.com/fr/a-propos) - [services-agence-web](https://dev-ring.com/fr/services-agence-web) - [brochure](https://dev-ring.com/fr/brochure) - [services/developpement-web-mobile-sur-mesure](https://dev-ring.com/fr/services/developpement-web-mobile-sur-mesure) - [services/creation-site-internet-wordpress](https://dev-ring.com/fr/services/creation-site-internet-wordpress) - [services/expert-seo-referencement-naturel](https://dev-ring.com/fr/services/expert-seo-referencement-naturel) - [services/conception-sites-vitrines-sur-mesure](https://dev-ring.com/fr/services/conception-sites-vitrines-sur-mesure) ## EN pages - [Home](https://dev-ring.com/en) - [blog](https://dev-ring.com/en/blog) - [portfolio](https://dev-ring.com/en/portfolio) - [contact](https://dev-ring.com/en/contact) - [a-propos](https://dev-ring.com/en/a-propos) - [services-agence-web](https://dev-ring.com/en/services-agence-web) - [brochure](https://dev-ring.com/en/brochure) - [services/developpement-web-mobile-sur-mesure](https://dev-ring.com/en/services/developpement-web-mobile-sur-mesure) - [services/creation-site-internet-wordpress](https://dev-ring.com/en/services/creation-site-internet-wordpress) - [services/expert-seo-referencement-naturel](https://dev-ring.com/en/services/expert-seo-referencement-naturel) - [services/conception-sites-vitrines-sur-mesure](https://dev-ring.com/en/services/conception-sites-vitrines-sur-mesure) ## AR pages - [Home](https://dev-ring.com/ar) - [blog](https://dev-ring.com/ar/blog) - [portfolio](https://dev-ring.com/ar/portfolio) - [contact](https://dev-ring.com/ar/contact) - [a-propos](https://dev-ring.com/ar/a-propos) - [services-agence-web](https://dev-ring.com/ar/services-agence-web) - [brochure](https://dev-ring.com/ar/brochure) - [services/developpement-web-mobile-sur-mesure](https://dev-ring.com/ar/services/developpement-web-mobile-sur-mesure) - [services/creation-site-internet-wordpress](https://dev-ring.com/ar/services/creation-site-internet-wordpress) - [services/expert-seo-referencement-naturel](https://dev-ring.com/ar/services/expert-seo-referencement-naturel) - [services/conception-sites-vitrines-sur-mesure](https://dev-ring.com/ar/services/conception-sites-vitrines-sur-mesure) ## People - [Omar Borji](https://omar-borgi.dev-ring.com): web and mobile development. - [Asmae Bou Krir](https://asma-krir.dev-ring.com): SEO strategy and support. ## Portfolio and attribution Product previews show current public websites or public contribution evidence. The documented historical role remains the scope stated in each case. ### Nayovi Developed by Dev Ring An Android manga and comic reader with OCR and AI-assisted translation. Creation and lead development by Omar: library, downloads, chapter queues, OCR and translated-content caching. The reader builds on Tachiyomi/Mihon. Scope described in Omar’s profile. The screenshot shows the public product website, not performance or revenue evidence. - [Case and contribution](https://dev-ring.com/en/portfolio#nayovi) - [Documented source](https://omar-borgi.dev-ring.com/portfolio/nayovi) ### Naest Express Developed by Dev Ring A freight transport platform with request and operational journeys. Technical leadership and full-stack development by Omar: transport requests, pricing, role-based dashboards, payments and invoicing. Contributions to driver mobile journeys and order-flow checks. Role and scope documented in Omar’s profile. The public website presents the product; no order volume or business results are claimed. - [Case and contribution](https://dev-ring.com/en/portfolio#naest-express) - [Documented source](https://omar-borgi.dev-ring.com/portfolio/naest-express) ### LePatron.email Main contribution: Omar Full-stack contribution to an email editor and reusable blocks. Built editor features, including blocks reusable across templates. Fixed interface and server issues and stabilised existing code. Contribution described in Omar’s CV and public profile. No quantified results or responsibility for the entire product are established. - [Case and contribution](https://dev-ring.com/en/portfolio#lepatron-email) - [Documented source](https://omar-borgi.dev-ring.com/portfolio/lepatron-email) ### Cuisinez pour Bébé Main contribution: Omar Mobile screens, search and filters for a recipe application. React Native front-end development, Algolia search and filters. Work on content-rich screens and mobile performance. Front-end scope documented in Omar’s profile. No verified speed, usage or conversion metrics. - [Case and contribution](https://dev-ring.com/en/portfolio#cuisinez-pour-bebe) - [Documented source](https://omar-borgi.dev-ring.com/portfolio/cuisinez-pour-bebe) ### Lea English Main contribution: Omar Front-end contribution to a back-office and an app with AI voice chat. Front-end lead on a React back-office and React Native app. Integrated voice chat on Android and iOS and reusable mobile components. Role and features described in Omar’s profile. No learning outcomes or business results are claimed. - [Case and contribution](https://dev-ring.com/en/portfolio#lea-english) - [Documented source](https://omar-borgi.dev-ring.com/portfolio/lea-english) ### Tekzone Main contribution: Asmae Keyword position tracking support for an electronics shop in Tunisia. Tracked keyword positions for tekzone.tn. Asmae’s public case includes a historical screenshot of the tracked keyword set’s average position. The supplied chart goes from 100 on 1 November to 16.27 in early January; the year is not visible. This is average position, not traffic or current ranking. - [Case and contribution](https://dev-ring.com/en/portfolio#tekzone) - [Documented source](https://asma-krir.dev-ring.com/portfolio/tekzone) ### Focus Corporation Main contribution: Asmae SEO support and search performance tracking in Search Console. SEO contribution documented in Asmae’s CV and portfolio. Organic visibility tracking for a Tunisian corporate website. Historical screenshots and their scope can be consulted in Asmae’s case. They do not establish revenue or exclusive causality from SEO work. - [Case and contribution](https://dev-ring.com/en/portfolio#focus-corporation) - [Documented source](https://asma-krir.dev-ring.com/portfolio/focus-corporation) ## Published articles ### FR articles - [societe-developpement-web-tunisie](https://dev-ring.com/fr/blog/societe-developpement-web-tunisie) - [jeux-olympiques-hiver-2026](https://dev-ring.com/fr/blog/jeux-olympiques-hiver-2026) - [dev-mobile-integration-mcp-server](https://dev-ring.com/fr/blog/dev-mobile-integration-mcp-server) - [lavenir-du-seo-en-2026](https://dev-ring.com/fr/blog/lavenir-du-seo-en-2026) - [react-native-performance-2024](https://dev-ring.com/fr/blog/react-native-performance-2024) - [seo-technique-2024](https://dev-ring.com/fr/blog/seo-technique-2024) - [nextjs-14-nouveautes](https://dev-ring.com/fr/blog/nextjs-14-nouveautes) - [ia-developpement-web](https://dev-ring.com/fr/blog/ia-developpement-web) - [securite-applications-web](https://dev-ring.com/fr/blog/securite-applications-web) - [agence-web-tunisie-dev-ring](https://dev-ring.com/fr/blog/agence-web-tunisie-reference) - [choisir-agence-web-tunisie-2026](https://dev-ring.com/fr/blog/comment-choisir-agence-web-tunisie-2026) ### EN articles - [societe-developpement-web-tunisie](https://dev-ring.com/en/blog/web-development-company-tunisia) - [jeux-olympiques-hiver-2026](https://dev-ring.com/en/blog/winter-olympics-2026) - [dev-mobile-integration-mcp-server](https://dev-ring.com/en/blog/mobile-dev-mcp-server-integration-2026) - [lavenir-du-seo-en-2026](https://dev-ring.com/en/blog/future-of-seo-2026) - [react-native-performance-2024](https://dev-ring.com/en/blog/react-native-performance-2024) - [seo-technique-2024](https://dev-ring.com/en/blog/technical-seo-2024) - [nextjs-14-nouveautes](https://dev-ring.com/en/blog/nextjs-14-new-features) - [ia-developpement-web](https://dev-ring.com/en/blog/ai-web-development) - [securite-applications-web](https://dev-ring.com/en/blog/web-app-security-owasp-2024) - [agence-web-tunisie-dev-ring](https://dev-ring.com/en/blog/dev-ring-technologies-web-agency-tunisia) - [choisir-agence-web-tunisie-2026](https://dev-ring.com/en/blog/how-to-choose-web-agency-tunisia-2026) ### AR articles - [societe-developpement-web-tunisie](https://dev-ring.com/ar/blog/sharikat-tatwir-web-fi-tunis) - [jeux-olympiques-hiver-2026](https://dev-ring.com/ar/blog/olymbiad-ash-shita-2026) - [dev-mobile-integration-mcp-server](https://dev-ring.com/ar/blog/tatwir-mobile-mcp-2026) - [lavenir-du-seo-en-2026](https://dev-ring.com/ar/blog/mustaqbal-seo-2026) - [react-native-performance-2024](https://dev-ring.com/ar/blog/tahsin-adaa-react-native-2024) - [seo-technique-2024](https://dev-ring.com/ar/blog/seo-taqni-2024) - [nextjs-14-nouveautes](https://dev-ring.com/ar/blog/nextjs-14-server-actions) - [ia-developpement-web](https://dev-ring.com/ar/blog/ai-web-development) - [securite-applications-web](https://dev-ring.com/ar/blog/aman-tatbiqat-web-owasp-2024) - [agence-web-tunisie-dev-ring](https://dev-ring.com/ar/blog/dev-ring-technologies-wakalat-web-tunis) - [choisir-agence-web-tunisie-2026](https://dev-ring.com/ar/blog/kayfiyat-ikhtiar-wakalat-web-tunis-2026) ## Contact and brochures - [Contact](https://dev-ring.com/en/contact) - [FR brochure](https://dev-ring.com/brochure/DevRing_Brochure_2026_FR.pdf) - [EN brochure](https://dev-ring.com/brochure/DevRing_Brochure_2026_EN.pdf) - [AR brochure](https://dev-ring.com/brochure/DevRing_Brochure_2026_AR.pdf)