BlitzAPI vs Invoice Guru

Side-by-side comparison to help you choose the right tool.

BlitzAPI empowers your growth team with instant access to clean B2B data, supercharging GTM strategies effortlessly.

Last updated: February 28, 2026

Invoice Guru is an AI-powered mobile app that creates HMRC-compliant invoices for UK tradespeople in 60 seconds.

Last updated: February 28, 2026

Visual Comparison

BlitzAPI

BlitzAPI screenshot

Invoice Guru

Invoice Guru screenshot

Feature Comparison

BlitzAPI

Smart ICP Targeting

BlitzAPI offers an intelligent ICP targeting feature that allows users to instantly find their ideal decision-makers. The algorithm prioritizes and ranks leads based on predefined criteria, ensuring that teams connect with the most relevant prospects for their business.

Verified Email & Phone Enrichment

With BlitzAPI's email and phone enrichment capabilities, users can access verified, accurate emails and direct phone numbers. This feature significantly enhances outreach efforts by ensuring that communications reach the right contacts, thus boosting engagement rates.

Catch-All Email Validation

The platform includes a real-time catch-all email validation feature that boasts over 98% accuracy. This means users can validate catch-all emails effectively, eliminating the guesswork and maximizing the chances of successful email deliverability.

People Enrichment

BlitzAPI's people enrichment capabilities enable users to enhance company profiles and individual contacts through powerful and reliable APIs. This feature helps teams gather comprehensive data, ensuring they have all the necessary information at their fingertips to drive successful outreach campaigns.

Invoice Guru

AI-Powered OCR Receipt Scanner

Stop manual data entry dead in its tracks. This trending AI feature allows you to simply snap a photo of any paper receipt. The intelligent Optical Character Recognition (OCR) technology instantly reads and extracts all critical details—vendor, date, amount, tax—and auto-populates a digital expense entry. It's a massive time-saver that turns a pile of receipts into organized, trackable data in seconds, perfect for end-of-period reconciliations.

Smart Payment Tracking & Bank Integration

Move beyond guesswork with automated financial reconciliation. By securely connecting your business bank account, Invoice Guru automatically matches incoming transactions with your outstanding invoices. This real-time sync provides a crystal-clear, live dashboard showing exactly who has paid and which invoices are overdue. It’s the kind of automated insight that transforms cash flow management from a monthly chore into a daily advantage.

Multi-Language, Multi-Currency & E-Invoicing

Go global straight from your van. This feature supports over 13 languages and multiple currencies, allowing you to create professional invoices for international clients with local date and currency formats. More importantly, it's built for compliance, supporting critical e-invoicing standards like KSeF in Poland and Peppol across Europe. This ensures your invoices are legally valid wherever your business takes you.

Instant, Branded Invoice Creation

Create a stunning, professional invoice in under 60 seconds. The app automates numbering, dates, and tax calculations based on your settings. You simply add client details and line items. Your custom branding—logo, company info, terms and conditions—is applied automatically to every invoice, elevating your professional image instantly. Choose from multiple PDF templates and send directly to your client's email without ever leaving the app.

Use Cases

BlitzAPI

Streamlined Prospecting

GTM teams can utilize BlitzAPI to streamline their prospecting efforts. By leveraging accurate B2B data, teams can identify and engage with high-quality leads, resulting in more successful outreach and increased conversion rates.

Enhanced Outbound Campaigns

Outbound sales teams can employ BlitzAPI's verified email and phone enrichment to enhance their campaigns. With access to accurate contact information, teams can craft personalized messages that resonate with potential clients, driving better results.

Efficient Lead Enrichment

Organizations can use BlitzAPI to automate lead enrichment processes. By integrating with existing tools, teams can enrich their data in real-time, ensuring they always have access to the latest and most accurate information on leads and companies.

Data-Driven Decision Making

With access to comprehensive B2B data, businesses can make informed decisions based on reliable insights. BlitzAPI empowers organizations to analyze their target market effectively, allowing them to tailor their strategies and maximize their growth potential.

Invoice Guru

For the On-Site Tradesperson Closing a Job

A plumber finishes a repair. Instead of writing a paper slip or driving back to the office, they open Invoice Guru on their phone. In under a minute, they create a detailed invoice with the client's details, parts used, and labor, apply their logo, and email it professionally on the spot. They can even generate a QR code for instant payment before leaving the property, dramatically speeding up cash collection.

For Small Business Expense Management & VAT Prep

A freelance electrician collects receipts for materials, fuel, and tools throughout the week. Using the AI OCR scanner, they digitize every receipt instantly. Invoice Guru categorizes these expenses, providing a clear, organized record. Come VAT quarter or tax time, all data is perfectly compiled, with MTD-compliant reports ready for submission or to be shared seamlessly with their accountant, saving hours of manual work.

For Businesses Navigating New E-Invoicing Mandates

A construction contractor operating in Poland faces the new KSeF e-invoicing requirement. With Invoice Guru, there's no panic or need for new software. The platform is already updated to generate and send fully compliant KSeF e-invoices directly. The business continues operating smoothly, avoiding fines and administrative headaches, proving the app is a future-proof investment in regulatory compliance.

For Service Businesses Scaling Client Operations

A growing decorating service needs to manage recurring clients and deposits. They use Invoice Guru to set up automated recurring invoices for maintenance contracts and securely request deposits for large projects. The smart payment tracking automatically reconciles these payments, while the client management system keeps all communication and history in one place, streamlining operations as they scale.

Overview

About BlitzAPI

BlitzAPI is a robust API toolbox specifically crafted to empower go-to-market (GTM) teams with fresh and precise B2B data that streamlines prospecting efforts. This innovative platform enables teams to effortlessly search for and enrich contacts and companies, validate work emails, and retrieve verified phone numbers, which are vital for enhancing outbound and revenue operations workflows. By focusing on quality over noise in data aggregation and adopting deliverability-first practices for email communications, BlitzAPI stands out as an indispensable resource for GTM agencies, outbound sales teams, and organizations aiming to implement repeatable playbooks while ensuring data integrity and scalability. The API's seamless integration into existing workflows enhances operational efficiency, allowing teams to achieve better results with minimal effort. With a commitment to providing verified and accurate data, BlitzAPI positions itself as a key ally in the quest for growth and success in the competitive B2B landscape.

About Invoice Guru

Invoice Guru is the mobile-first revolution in financial admin, specifically engineered for the dynamic, on-the-go world of tradespeople and small service businesses. Forget clunky desktop software; this is the AI-powered invoicing platform built from the ground up for electricians, plumbers, builders, and decorators who need to manage their business from the job site. Its core mission is to eliminate the hours wasted on paperwork, empowering you to focus on your craft. The app delivers professional, compliant invoices in under 60 seconds directly from your smartphone, automating the entire workflow from creation to payment tracking. Crucially, Invoice Guru is future-proof, designed with looming regulatory shifts like the UK's Making Tax Digital (MTD) and Poland's KSeF already integrated. This means you can operate with confidence, knowing your compliance is handled automatically without ever needing to switch tools. Created by a tradesperson who understands the daily grind, Invoice Guru isn't just software; it's a strategic partner that handles complexity so you can capture revenue faster and grow your business smarter.

Frequently Asked Questions

BlitzAPI FAQ

What types of data does BlitzAPI provide?

BlitzAPI provides a variety of B2B data, including verified emails, phone numbers, company profiles, and enriched contact information to support GTM teams in their prospecting efforts.

How does BlitzAPI ensure the accuracy of its data?

BlitzAPI prioritizes quality over noise in data aggregation and employs deliverability-first practices. The platform uses real-time validation processes to ensure that the data provided is accurate and up-to-date.

Can BlitzAPI integrate with existing workflows?

Yes, BlitzAPI is designed with an API-first architecture that allows for seamless integration into existing workflows. This ensures that teams can easily incorporate BlitzAPI's capabilities without needing to overhaul their current systems.

Is there a free trial available for BlitzAPI?

BlitzAPI offers new users the opportunity to get 1,000 credits for free, allowing them to experience the platform's capabilities without any initial investment or credit card requirement.

Invoice Guru FAQ

Is Invoice Guru compliant with HMRC's Making Tax Digital (MTD)?

Absolutely. Staying ahead of regulatory tech trends is core to Invoice Guru's design. The Pro Plan includes full MTD for VAT functionality, allowing you to submit your VAT returns directly to HMRC through the app. It ensures your digital records are kept compliantly and simplifies the entire submission process, keeping you on the right side of the law effortlessly.

How does the AI receipt scanner work?

It uses cutting-edge Optical Character Recognition (OCR) technology, a form of AI that reads text from images. You simply take a photo of your receipt within the app. The AI instantly analyzes the image, identifies key data fields like date, supplier, total amount, and tax, and automatically creates a perfectly categorized digital expense entry. No typing required.

Can I use Invoice Guru for free?

Yes! Invoice Guru offers a robust "Starter Plan" that is free forever. This plan allows you to create and download up to 10 invoices as PDFs, giving you full access to test the core invoicing experience and ensure it fits your workflow before committing to a paid plan with unlimited invoices and advanced features.

What if I need to invoice clients in different countries?

No problem. Invoice Guru is built for the modern, mobile business. It supports multiple currencies and over 13 languages, allowing you to create invoices in your client's local format. Furthermore, it supports country-specific e-invoicing standards like Poland's KSeF, ensuring your invoices are valid and professional for international clients.

Alternatives

BlitzAPI Alternatives

BlitzAPI is a robust API toolbox designed for B2B data, catering specifically to go-to-market (GTM) teams. This platform excels in providing high-quality, accurate data that aids in effective prospecting, helping users streamline their outbound sales and revenue operations. However, users often seek alternatives due to varying needs such as pricing structures, feature sets, or specific platform integrations that better align with their operational workflows. When searching for an alternative to BlitzAPI, it’s essential to evaluate the quality and accuracy of the data provided, the range of features offered, and how well the platform integrates with existing systems. Additionally, consider pricing models and user support, as these factors can significantly impact the overall utility and satisfaction with the chosen solution.

Invoice Guru Alternatives

Invoice Guru is a mobile-first invoicing app revolutionizing the business and finance category for tradespeople. It’s designed to slash admin time, letting electricians and plumbers create compliant invoices on-site in under a minute. This focus on speed and mobile convenience makes it a standout tool for service professionals on the go. Users often explore alternatives for various reasons. Some need desktop-centric workflows or deeper accounting integrations beyond core invoicing. Others may seek different pricing models or specific features not covered by a mobile-first approach. The quest for the perfect tool is driven by the unique blend of software needs and budget for every small business. When evaluating other options, key considerations are paramount. Prioritize true mobile functionality versus desktop-only access. Scrutinize compliance features for regulations like MTD and KSeF. Finally, assess the overall efficiency gain—does the tool genuinely save you time on invoicing, expense tracking, and payment follow-ups?

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