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Real Apps. Real Problems. Real Results.

Every product started with a real-world observation — proof that Lagariya Labs ships production software.

com.card.mint.cardbuilder

Taksal Studio

300 DPI Vector Creative Studio & Offline SME Business Suite

Play StoreLive WebScreenshots & Architecture →
Taksal Studio showcase
AndroidVector GraphicsSME CommerceJetpack ComposeKeyStore TEEOffline-FirstiText7

Problem

Micro-entrepreneurs, freelance designers, and retail merchants in India struggled with complex, expensive desktop design suites and fragmented business utilities. Simple tasks like designing visiting cards, generating GST invoices, and printing thermal POS billing slips required 3 to 4 separate expensive cloud subscriptions that failed completely without internet access.

Research & Fieldwork

Interviewed over 40 local retailers, printing press operators, and self-employed professionals across Gujarat. Found that 92% of business owners design promotional assets and bill customers directly from Android smartphones. Two non-negotiable requirements emerged: zero cloud dependency (100% offline data sovereignty) and true commercial 300 DPI print output that offset printers would accept without distortion.

Engineering Solution

Architected Taksal Studio as an 8-module native Android application. Combined a custom 300 DPI Skia-based vector canvas engine with an all-in-one SME commerce engine: automated GST invoicing (CGST/SGST/IGST), ESC/POS 58mm/80mm thermal receipt printing via Bluetooth/USB OTG, dynamic UPI QR payment generation, stock inventory tracking, quotation builder, and on-device computer vision 'Magic Layers' that splits flat raster images into editable vector layers with zero external APIs.

Architecture Stack

Kotlin Multi-Module (8 Modules)Jetpack Compose & Skia ShadersRoom Database with KSPAndroid KeyStore TEE (AES-256-GCM)iText7 Vector PDF EngineESC/POS Thermal DriverGemini 3.5 AI StudioAdMob with UMP Consent

AI & Tooling Workflow

Integrated Google AI Studio Gemini 3.5 for automated marketing copywriting, slogan creation, and layout prompts. Designed the CanvaElement sealed hierarchy and mathematical coordinate snapping engine using AI architectural review. Implemented on-device color quantization and segmentation heuristics for Magic Layers with zero cloud dependencies.

Quantified Production Result

Over 5,000+ downloads with a 4.8★ rating on Google Play. Small business owners can design commercial print-ready cards, issue GST tax invoices, and print instant thermal billing slips on the counter without recurring software subscription costs or cloud downtime.

com.expiryalertpro

Expiry Alert Pro

AI-Powered Smart Inventory & Expiry Tracker with Waste Analytics

Play StoreLive WebScreenshots & Architecture →
Expiry Alert Pro showcase
AndroidGemini 2.0 FlashML KitCameraXWaste AnalyticsRoom DBPlay Billing

Problem

Independent grocery merchants and households lose thousands of rupees every month to expired perishable products. Manual inspection of batch codes and sticky-note tracking fails once an inventory exceeds 100 SKUs, resulting in unsellable waste, financial write-offs, and compliance penalties.

Research & Fieldwork

Analyzed stock loss patterns across grocery stores, pharmacies, and domestic pantries. Discovered that manual data entry of expiry dates was the primary bottleneck—users abandoned inventory trackers within 3 days if adding a product required more than 5 manual keystrokes.

Engineering Solution

Built Expiry Alert Pro around a high-speed multi-modal ingestion pipeline. Integrated Google Gemini 2.0 Flash Vision to automatically extract brand, item name, price, and expiry date directly from camera photos and grocery receipts, combined with Google ML Kit for instant barcode scanning. Developed an algorithmic Expiry Risk Engine (Safe, Upcoming, Critical, Expired tiers) and a financial Waste Analytics Engine that computes total monetary loss prevented versus wasted items.

Architecture Stack

Kotlin Clean ArchitectureJetpack Compose Material 3Gemini 2.0 Flash Vision OCRGoogle ML Kit Barcode ScanningCameraX PipelineRoom Database + Offline Sync QueueFirebase Firestore & AuthWorkManager & AlarmManagerGoogle Play Billing 8.0

AI & Tooling Workflow

Deployed Gemini 2.0 Flash with tight temperature constraints and JSON schema enforcement for sub-second optical extraction from messy grocery labels. Built client-side rate limiters to prevent API exhaustion. Engineered an AI-guided batch shelf-life heuristic that auto-suggests expiry duration based on product category (dairy, medicines, canned goods).

Quantified Production Result

Achieved 10,000+ downloads with a 4.8★ rating on Google Play. Users report an average 35% reduction in household and store food waste, with automated background alerts ensuring items are consumed or discounted before expiration.

com.tractorpro

Tractor Pro

Kisan Khata (किसान खाता) & Trilingual Agricultural Ledger

Play StoreLive WebScreenshots & Architecture →
Tractor Pro showcase
AndroidAgriTechTrilingualGoogle TinkOffline-FirstRoom PagingFirestore Sync

Problem

Tractor operators and agricultural machinery leasing owners in rural India faced significant revenue leakage due to lost paper hisaab diaries, unrecorded work hours, and disputed seasonal payments. Harsh field conditions routinely destroyed physical notebooks, causing tense disputes between farmers and operators.

Research & Fieldwork

Conducted extensive on-the-ground fieldwork across farming communities in Saurashtra, Gujarat. Identified that tractor work is measured in varied regional units (Hours, Bigha, Acre, Trolley Trips) across different implements (Rotavator, Thresher, Cultivator, Plough). Most operators require an intuitive native language interface (Hindi or Gujarati) and zero reliance on cellular connectivity in remote farm fields.

Engineering Solution

Engineered Tractor Pro (किसान खाता) — a domain-driven, offline-first mobile ledger with complete trilingual support in English, Hindi (हिन्दी), and Gujarati (ગુજરાતી). Features automated rate calculation per implement, one-tap phone dialing to farmers, scheduled payment collection reminders powered by WorkManager, Google Tink cryptographic data protection, bi-directional Room-to-Firestore synchronization, and one-tap Excel-ready CSV export with UTF-8 BOM encoding.

Architecture Stack

Kotlin Domain-Driven Architecture (18 Use Cases)Jetpack Compose Material 3Room Database with Paging 3Google Tink Android CryptographyBi-Directional SyncCoordinatorFirebase Firestore & Credential ManagerWorkManager Payment Reminder SchedulerTrilingual Engine (EN, HI, GU)Digital Asset Links (.well-known)

AI & Tooling Workflow

Utilized AI modeling to design the flexible agricultural implement data structures and unit conversion formulas (Bigha to Acre to Hours). Designed the persistent WorkManager rescheduling architecture with AI verification to guarantee notification delivery across OS reboots.

Quantified Production Result

Over 5,000+ downloads with a 4.7★ rating. Thousands of agricultural operators have eliminated paper logbooks, accelerated payment collection cycles by 40%, and resolved operator-farmer billing disputes with transparent, exportable digital receipts.

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