> blog
Case studies & writing
Real project breakdowns and hands-on thinking on custom software, AI-augmented development, and what actually drives the build-vs-buy decision for growing businesses.
October 15, 20265 min read
Choisir un logiciel de facturation électronique en Tunisie, ou raccorder l’ERP que vous avez déjà
Nouveau logiciel de facturation ou ERP raccordé à El Fatoora ? Ce que TTN publie pour les intégrateurs, quoi demander à un éditeur, et les étapes.
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October 15, 20265 min read
Choosing e-invoicing software in Tunisia, or connecting the ERP you already have
New invoicing software or a connection to your existing ERP? What TTN publishes for integrators, what to ask a vendor, and the steps before you go live.
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October 15, 20265 min read
E-invoicing penalties in Tunisia and the mistakes that cause them
The fines for paper, incomplete or unaccompanied invoices under Tunisian e-invoicing rules, with the legal references, and the technical mistakes to avoid.
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October 15, 20265 min read
TEIF, signature électronique et cachet : ce que contient une facture El Fatoora
Ce qu’est le format XML TEIF, comment signer une facture El Fatoora et à quoi sert le cachet électronique TunTrust. Lu dans les documents de TTN et de TunTrust.
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October 15, 20265 min read
Qui doit émettre des factures électroniques en Tunisie, et depuis quand
Qui doit émettre des factures électroniques en Tunisie, depuis quand, et qui n’est pas concerné. D’après la loi de finances 2026 et la note des Finances.
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October 15, 20266 min read
Sanctions de la facturation électronique en Tunisie et erreurs qui y mènent
Les amendes pour facture papier, facture électronique incomplète ou transport sans document, avec les références légales, et les erreurs techniques à éviter.
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October 15, 20265 min read
TEIF, the electronic signature and the seal: what an El Fatoora invoice contains
What the TEIF XML invoice format is, how an El Fatoora invoice must be signed, and what the TunTrust electronic seal does. Read from TTN and TunTrust documents.
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October 15, 20264 min read
Who must issue electronic invoices in Tunisia, and from when
Who has to issue electronic invoices in Tunisia, since when, and who is not covered. Based on the 2026 Finance Law and the Ministry of Finance note.
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September 5, 20263 min read
El Fatoora en 2026 : préparer votre intégration de facturation
Sources officielles et questions pratiques pour raccorder votre logiciel de facturation à El Fatoora.
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July 18, 20262 min read
El Fatoora in 2026: Preparing Your Invoicing Integration
Official sources and practical questions for connecting existing invoicing software to El Fatoora.
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July 16, 2026B'moovd3 min read
Case Study: How B'moovd Replaced a Rented Booking Tool With a 5.0-Star Branded App
B'moovd was booking through a generic third-party platform. We built them an owned iOS/Android app instead: booking, loyalty, live Bundesliga scores, and full brand ownership. It now holds a 5.0-star rating on the App Store.
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July 16, 2026B'moovd3 min read
What a Custom Booking & Loyalty App Actually Costs, and When It Beats Renting One
A straight answer on what it costs to build an owned booking and loyalty app instead of renting a third-party platform, with real cost ranges, the break-even math, and a live example rated 5.0 on the App Store.
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July 16, 20262 min read
Custom Software vs. SaaS in 2026: Comparing Costs Over 3 Years
Compare subscriptions, implementation, integrations, hosting and maintenance before deciding whether to buy SaaS or build custom software.
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