Our Apps — DevEnigma

BillSense

Android

Create professional estimates & invoices — powered by AI, secured by biometrics.

BillSense is the smart billing companion for freelancers, contractors, and small businesses. Generate accurate price estimates using AI, send polished invoices, and sync everything securely to the cloud — all from your Android device.

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AI Pricing Suggestions

Get intelligent price estimates for services and products based on your inputs.

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Cloud Sync

Your estimates and invoices sync instantly across devices, always up to date.

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Biometric Security

Lock the app with fingerprint or face recognition — your business data stays private.

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English & Arabic

Full bilingual support for broader accessibility and international use.

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Professional Documents

Generate clean, shareable PDF invoices and estimates in seconds.

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Free & Premium

Start for free with core features; unlock the full suite with a Pro subscription.

Get on Google Play

Arrow Labyrinth

Android

Rotate linked groups of arrows. Find the only path to escape.

Arrow Labyrinth is a minimalist logic puzzle game where every move matters. Tap to rotate linked arrow groups, align the path from start to exit, and escape — in as few moves as possible. With dozens of handcrafted levels across increasing grid sizes, it's easy to learn and hard to put down.

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Pure Logic Puzzle

No timers, no randomness. Every level has one perfect solution waiting to be found.

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Perfect Score Challenge

Solve each level in the minimum number of moves to earn a star rating.

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Progressive Difficulty

From 4×4 grids to 6×6 and beyond — difficulty scales naturally as you advance.

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Achievements & Leaderboards

Compete via Google Play Games — earn achievements and climb the leaderboard.