The Offline Invoice App
Create professional invoices and receipts anywhere — even without Wi-Fi or mobile data.
Why an Offline Invoice App?
In areas with weak connectivity, while traveling, or simply to protect your client data, an offline-first app is the most reliable solution. Isal stores everything locally: no servers, no subscriptions, no data leaks.
When Do You Need an Offline Invoice App?
Street Vendors & Mobile Sellers
Selling at markets, fairs, or on the road? Don't wait for a network signal — issue your invoice instantly from your phone.
Areas with Weak Network Coverage
In villages and remote areas where internet is unreliable, Isal runs at full capacity without any connection whatsoever.
Protecting Sensitive Client Data
If you handle sensitive financial or personal data, local storage protects your clients from any potential data breach.
Merchants Who Want Simplicity
No sign-up, no email verification, no complex setup. Just open the app and start invoicing immediately.
How Isal Protects Your Data
Discover the technical architecture that keeps your data fully secure.
Fully Local Storage via SQLite
Isal uses an embedded SQLite database inside the app. All your invoices, receipts, clients, and products are stored in an encrypted file on your phone only — nothing is ever sent to any external server.
Apple Keychain & Android Keystore Protection
Your credentials and preferences are protected by the secure keychain system on iOS (Keychain) and Android (Keystore) — the same technology used by banking apps.
Zero Tracking — Zero Analytics
Isal does not collect any personal analytics data and does not track your behavior within the app. Your privacy is fully guaranteed from the very first use.
Comparison: Cloud Billing Apps vs Isal (Offline)
Isal (إيصال) — The Bilingual (Arabic & English) Offline Invoicing App
Isal is the simplest bilingual (Arabic and English) offline-first invoice and receipt app. Designed for small businesses, freelancers, and merchants. No account, no subscriptions, no internet — just professional invoices.
Offline Invoicing FAQ
Does Isal truly work without any internet connection?
Yes, completely. Isal requires no internet connection to create, save, or export invoices and receipts. Everything runs on your smartphone locally.
Is my data safe if I switch phones?
Your data is stored locally on your device. We recommend using your phone's built-in backup tools to avoid any data loss when switching devices.