BlitzAPI vs Invoice Guru
Side-by-side comparison to help you choose the right AI tool.
BlitzAPI
BlitzAPI delivers clean B2B data through powerful APIs, supercharging your growth team's GTM strategies effortlessly.
Last updated: February 26, 2026
Invoice Guru
Invoice Guru creates HMRC-compliant invoices for UK tradespeople in under a minute.
Last updated: February 28, 2026
Visual Comparison
BlitzAPI

Invoice Guru

Feature Comparison
BlitzAPI
Smart ICP Targeting
BlitzAPI's Smart ICP Targeting feature allows users to identify and prioritize ideal decision-makers effortlessly. Using advanced algorithms, the tool ranks prospects based on key criteria, ensuring that teams focus their efforts on the most relevant contacts, which significantly improves the efficiency of outreach campaigns.
Verified Email & Phone Enrichment
This feature offers users access to verified and accurate emails along with direct phone numbers. By utilizing real-time data validation, teams can ensure that they are reaching out to the right people, leading to higher engagement rates and better overall performance in their outreach efforts.
Catch-All Email Validation
BlitzAPI provides real-time catch-all email validation with over 98% accuracy. This feature helps teams avoid the pitfalls of guessing which emails are legitimate, allowing them to maintain clean data and reduce bounce rates, which is crucial for maintaining sender reputation.
People Enrichment
The People Enrichment feature empowers users to enhance their existing company and profile data using BlitzAPI’s powerful APIs. This allows for a deeper understanding of prospects and clients, enabling more personalized and effective communication strategies that drive better results.
Invoice Guru
Mobile-First Instant Invoicing
Designed for life on the go, the app lets you create and send a fully branded, professional invoice in less than a minute from your phone. Simply enter your client's details and items, and the app automatically adds your logo, company info, VAT, and payment terms. It's perfect for generating an invoice the moment you finish a job, impressing clients and accelerating payment.
AI-Powered OCR Receipt Scanner
Say goodbye to manual data entry and shoeboxes full of receipts. Just snap a photo of any paper receipt, and Invoice Guru's AI technology instantly reads all the details - date, vendor, amount, and tax. It automatically saves it as a categorized expense entry, making expense tracking and year-end accounting effortless and accurate.
Smart Bank Integration & Payment Tracking
Connect your business bank account securely to automate your bookkeeping. Invoice Guru automatically matches incoming bank transfers with your unpaid invoices, showing you instantly which clients have paid and which are overdue. This reconciliation feature saves hours of manual cross-checking and gives you a real-time view of your cash flow.
Built-in Tax Compliance (MTD, KSeF)
Invoice Guru is built with evolving tax regulations in mind. It is fully compliant with schemes like the UK's Making Tax Digital (MTD) for VAT, allowing for direct submissions. It also supports Poland's KSeF and other European e-invoicing standards. This means you can grow your business with confidence, without worrying about switching software when laws change.
Use Cases
BlitzAPI
Outbound Sales Campaigns
Sales teams can utilize BlitzAPI to enrich their contact lists with verified emails and phone numbers, ensuring that their outreach efforts are targeted and effective. This leads to improved conversion rates and a more efficient sales process.
Lead Generation
GTM agencies can leverage BlitzAPI to automate lead generation workflows. By integrating the API, teams can continuously gather and enrich data, allowing them to maintain a steady flow of fresh leads without compromising on quality.
Market Research
Marketers can use BlitzAPI for comprehensive market research by accessing enriched company profiles across various industries. This data helps them identify trends, understand competitive landscapes, and craft targeted marketing strategies.
RevOps Optimization
Revenue operations teams can enhance their existing processes by implementing BlitzAPI to verify and enrich data used in their workflows. This results in cleaner inputs, higher execution quality, and ultimately, improved revenue outcomes.
Invoice Guru
For the On-Site Tradesperson
A plumber finishes installing a new bathroom. While still at the client's home, they open the app, select the client from their list, add the pre-saved items (like labour and materials), and send a professional invoice via email before they even pack up their tools. The client receives it instantly and can pay on the spot via a QR code.
For Managing Business Expenses
A landscaper collects receipts for fuel, plants, and equipment rentals throughout the week. Instead of saving them for a tedious weekend admin session, they use the OCR scanner in the app to capture each receipt immediately. All expenses are logged, categorized, and ready for their accountant, saving significant time and ensuring nothing is lost.
For International or Multi-Currency Work
A freelance IT consultant works with clients across Europe. Using Invoice Guru, they can create invoices in the client's local language and currency, with the correct date format and tax requirements. This professionalism simplifies cross-border payments and makes their small business appear established and reliable.
For Automated Financial Reporting
A small decorating business owner needs to provide records to their accountant. With Invoice Guru's Pro plan, the accountant can be granted secure access. The app automatically generates weekly summaries of all invoices, expenses, and receipts, giving the accountant everything they need without the business owner having to compile complex reports.
Overview
About BlitzAPI
BlitzAPI is a powerful API toolbox designed to provide go-to-market (GTM) teams with fresh and accurate B2B data to streamline their prospecting efforts. By leveraging BlitzAPI, teams can search for and enrich contacts and companies, validate work emails, and retrieve verified phone numbers, all of which are essential for enhancing outbound and revenue operations workflows. The platform is built around two core principles: prioritizing quality over noise in data aggregation and ensuring deliverability-first practices for email communications. This makes BlitzAPI an invaluable resource for GTM agencies, outbound sales teams, and other organizations looking to implement repeatable playbooks while maintaining data integrity and scalability. With the ability to integrate seamlessly into existing workflows and a commitment to providing verified, accurate data, BlitzAPI empowers teams to enhance their operations and achieve better results with less effort.
About Invoice Guru
Invoice Guru is a revolutionary invoicing and financial management tool built from the ground up for tradespeople and small service businesses. Born from the real-world frustrations of a tradesperson, it tackles the unique challenges faced by on-site workers like plumbers, electricians, painters, and landscapers. The core idea is simple: free you from paperwork so you can focus on your craft. Unlike clunky desktop software, Invoice Guru is mobile-first, letting you create professional invoices, send quotes, and track payments directly from your smartphone in under 60 seconds. It goes beyond simple invoicing by automating the entire back-office process. With smart features like AI-powered receipt scanning, automatic bank payment matching, and compliance with regulations like UK MTD and Poland's KSeF, it streamlines your finances, ensures you stay on the right side of tax laws, and gets you paid faster. Invoice Guru empowers you to run your business more efficiently, turning complex admin into a few simple taps.
Frequently Asked Questions
BlitzAPI FAQ
What types of data can BlitzAPI provide?
BlitzAPI provides a wide range of B2B data, including verified emails, phone numbers, and enriched company profiles. This allows users to access comprehensive insights into their target audiences.
How does BlitzAPI ensure data accuracy?
BlitzAPI employs a rigorous qualification process that involves aggregating, merging, cleaning, and normalizing data. This ensures that users receive reliable information, minimizing noise and enhancing targeting effectiveness.
Can I integrate BlitzAPI with my existing systems?
Yes, BlitzAPI is designed with an API-first architecture, making it easy to integrate into your existing workflows and systems. This allows for seamless data flow and scalability.
Is there a free trial available for BlitzAPI?
Yes, BlitzAPI offers 1,000 credits for free, allowing potential users to try the service without any commitment. This gives teams the opportunity to experience the platform's capabilities before making a decision.
Invoice Guru FAQ
Is Invoice Guru really free to start?
Yes! Invoice Guru offers a Free Forever Starter Plan that allows you to create and download up to 10 invoices as PDFs. This is perfect for trying out the core features with no risk. When you're ready to scale, you can upgrade to unlimited invoices and access advanced automation features.
How does the app help with UK MTD compliance?
Invoice Guru's Pro Plan includes direct HMRC MTD for VAT submission functionality. The software keeps your records digitally, calculates your VAT return, and allows you to submit it directly to HMRC through the app, ensuring you meet all the legal requirements seamlessly.
Is my financial data secure with bank integration?
Absolutely. Bank integrations use secure, read-only connections via regulated open banking protocols. This means Invoice Guru can only see your transaction history to match payments; it cannot move money or access your login credentials. Your data is encrypted and protected.
Can I use Invoice Guru on multiple devices?
Invoice Guru is a cloud-based platform with a mobile-first design. This means you can access your account and data from your smartphone, tablet, or any web browser. Your information syncs automatically across all devices, so you're always up to date.
Alternatives
BlitzAPI Alternatives
BlitzAPI is a robust tool designed to provide fresh and accurate B2B data via an API, catering primarily to go-to-market (GTM) strategies and enhancing deliverability. It empowers teams with essential information for prospecting, allowing them to search and enrich contacts and companies efficiently. Users often seek alternatives to BlitzAPI for various reasons, such as pricing structures, feature sets that better align with their specific needs, or compatibility with existing platforms. When looking for an alternative, consider factors like data quality, ease of integration, support services, and how well the solution can scale with your business. It’s crucial to choose a provider that not only meets your current requirements but also offers flexibility for future growth and evolving strategies.
Invoice Guru Alternatives
Invoice Guru is a mobile-first invoicing app designed specifically for UK tradespeople and small service businesses. It helps you create HMRC-compliant invoices in under a minute, directly from your smartphone, streamlining your admin and payment tracking. People often look for different tools for various reasons. You might need software that works on a desktop computer, requires a specific feature not offered, or fits a different budget. It's a common step in finding the perfect fit for your unique business workflow. When evaluating other options, consider what matters most to you. Key points include the platform (mobile vs. desktop), core features like expense tracking, compliance with regulations like Making Tax Digital, overall ease of use, and of course, the pricing structure. Finding a balance between functionality and simplicity is crucial.