Invoice Guru vs SoloTools

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

Invoice Guru empowers UK tradespeople to create HMRC-compliant invoices in seconds, ensuring faster payments and peace.

Last updated: February 28, 2026

Transform your projects into signed deals instantly with AI-generated client proposals.

Last updated: March 4, 2026

Visual Comparison

Invoice Guru

Invoice Guru screenshot

SoloTools

SoloTools screenshot

Feature Comparison

Invoice Guru

Instant Invoice Creation

Create and send a professional invoice in less than a minute. With the ability to add your logo, VAT, payment terms, and due date automatically, Invoice Guru simplifies the invoicing process, allowing you to focus more on your work and less on administration.

Automatic Invoice Numbering

Never worry about tracking invoice numbers again. Invoices are numbered and dated automatically according to your fiscal year settings, ensuring that your records remain organized and compliant with financial regulations.

OCR Receipt Scanner (AI)

This intelligent feature allows you to snap a photo of your receipts, and the AI technology reads all the details, saving them as expense entries. No more tedious manual data entry—let the technology handle it for you, making expense tracking a breeze.

Smart Payment Tracking

Stay on top of your finances with Invoice Guru's smart payment tracking. This feature automatically matches incoming bank transactions with unpaid invoices, giving you clarity on which clients have paid and which invoices remain overdue.

SoloTools

AI-Powered Proposal Generation

Go beyond basic templates with an AI that truly understands context. In roughly 12 seconds, it generates a complete, polished proposal tailored to your project. It writes persuasive executive summaries, breaks down the scope of work with clarity, structures professional pricing tables, and drafts persuasive terms and conditions. This intelligent core ensures every proposal is uniquely crafted to impress your specific client and win their confidence from the first read.

Intelligent Section-Level Editing

Maintain full creative control with powerful, AI-driven editing. For any section of your proposal—like the executive summary or scope—you can give specific commands such as "Make more persuasive," "Make shorter," or "Rewrite in a formal tone." The AI refines the content on the spot, allowing you to perfect the messaging without starting from scratch. This feature ensures your voice and strategic goals are always front and center in the final document.

Client Engagement & E-Signature Tools

Streamline the entire closing process from sent to signed. Send proposals directly to clients via email with a personalized message. Then, track their engagement with real-time notifications for when they open your proposal. Clients can accept and provide a drawn e-signature directly on the document, or decline with an optional reason. This integrated system eliminates back-and-forth emails and chasing for signatures, making the process professional and effortless.

Proposal Analytics & Automation

Gain valuable insights to win more deals. The dashboard shows your complete conversion funnel, tracking proposals from "Sent" to "Viewed" to "Accepted/Declined." Understand your win rate and where you might be losing deals. Set automatic follow-up reminders and proposal expiry dates to create urgency. With Zapier-ready webhooks, you can connect this data to your other business tools, automating your workflow and ensuring you never miss a follow-up opportunity.

Use Cases

Invoice Guru

For Plumbers

Imagine being able to create and send invoices while on-site, right after finishing a job. With Invoice Guru, plumbers can generate professional invoices instantly, ensuring they get paid quickly without the hassle of paperwork.

For Electricians

Electricians often find themselves juggling multiple projects. Invoice Guru allows them to manage invoicing on-the-go, track payments, and maintain compliance with industry regulations, all from their mobile device.

For Freelancers

Freelancers can benefit immensely from Invoice Guru's automation features. By creating quotes and invoices in minutes, they can focus their energy on delivering quality services rather than getting bogged down in administrative tasks.

For Builders

Builders who work on various sites can streamline their invoicing process with Invoice Guru. They can easily track expenses, create branded invoices, and manage payments, ensuring a smooth workflow and financial transparency.

SoloTools

Freelance Web Designers & Developers

Quickly propose website redesigns or development projects with detailed technical scopes and phased pricing. Use the AI to highlight UX improvements and estimated conversion rate boosts, then send a polished, visually clear proposal that justifies your investment. Track client views and secure e-signatures fast to move from discussion to project kick-off without delay.

Independent Marketing & SEO Consultants

Craft compelling proposals for marketing campaigns or SEO audits that focus on ROI and strategic outcomes. Leverage the AI to write persuasive executive summaries that speak to business growth. Use the analytics to see which proposals get the most engagement and refine your approach to close more retainers and project-based work efficiently.

Solo Business & Management Consultants

Impress corporate clients with professionally structured proposals for strategic projects. Utilize the AI's ability to adopt a formal tone and create detailed work breakdowns. The e-signature and expiry date features add a layer of professionalism and urgency, helping you secure high-value contracts with established businesses seamlessly.

Creative Freelancers (Writers, Designers, Video Producers)

Overcome the challenge of pricing creative work confidently. Use the AI's smart pricing suggestions to get market-rate guidance for your project type. Generate proposals that beautifully articulate the creative process and value, then share them via a sleek client link or PDF to showcase your professionalism and secure the green light.

Overview

About Invoice Guru

Invoice Guru is a game-changing mobile-first invoicing platform designed specifically for modern tradespeople and small service business owners. This innovative tool is more than just an app; it acts as your dedicated business partner, alleviating the burdens of administrative tasks so you can concentrate on what you love: your craft. Developed from the real-world struggles of tradespeople, Invoice Guru recognizes the unique challenges faced on-site—where time is precious, and access to a desktop is often impractical. By streamlining the invoicing process into a quick, 60-second task that you can complete from your phone, it transforms the traditionally tedious and error-prone invoicing experience. With features such as AI-powered receipt scanning and automatic bank payment matching, Invoice Guru significantly reduces admin workload, freeing up valuable hours every week. Built with future compliance in mind, it ensures adherence to evolving regulations like UK MTD and Poland's KSeF, empowering your business to thrive without legal worries. It's the ultimate solution for plumbers, electricians, builders, cleaners, and freelancers across the UK and Europe who are prepared to swap paperwork for productivity and reclaim their time.

About SoloTools

Stop letting proposal writing steal your time and energy. SoloTools is your AI-powered partner, transforming the way freelancers and independent consultants win work. This innovative platform is designed for the busy professional who knows their craft but dreads the blank page. In about 30 seconds, you can move from a simple project idea to a stunning, client-ready proposal. Just input basic details like the client's name, project type, budget, and scope notes. Our powerful AI then crafts a comprehensive document complete with a compelling executive summary, detailed scope of work, professional pricing tables, a clear timeline, and standard terms. It's more than a template filler; it's an intelligent writing assistant that tailors content to your specific project. SoloTools empowers you to present your best self, every time, while reclaiming hours in your week. Send proposals directly via email, track when clients view them, and collect e-signatures seamlessly—all from one intuitive dashboard. Start for free and experience the transformation from spending hours on documents to closing deals in minutes.

Frequently Asked Questions

Invoice Guru FAQ

How does Invoice Guru ensure compliance with regulations?

Invoice Guru is designed to stay compliant with evolving regulations like UK MTD and Poland's KSeF. Regular updates and features ensure that your invoicing practices meet necessary legal requirements, giving you peace of mind.

Is there a mobile app for Invoice Guru?

Yes, Invoice Guru is a mobile-first platform that allows you to manage invoicing directly from your smartphone. This means you can create, send, and track invoices from anywhere, making it perfect for tradespeople on-the-go.

What currencies and languages does Invoice Guru support?

Invoice Guru supports over 12 languages and multiple currencies, accommodating international business needs. This flexibility allows users to customize their invoicing according to their local requirements.

Can I integrate my bank account with Invoice Guru?

Absolutely! Invoice Guru allows secure bank integration, enabling automatic updates of payments and seamless reconciliation of your accounts, which helps you maintain an accurate financial overview.

SoloTools FAQ

How does the AI proposal generator work?

You simply enter key project details like client name, project type, budget, and a brief scope description. Our advanced AI analyzes this input and generates a complete, tailored proposal in about 12 seconds. It creates all standard sections including an executive summary, scope of work, pricing table, timeline, and terms. You can then review and edit every part before sending.

Is there a free plan available?

Yes, SoloTools offers a completely free plan to get started. It allows you to create and send up to three proposals per month at no cost, with no credit card required. This includes access to the core AI generator, basic editing, and sharing via link. You can upgrade to the Pro plan anytime for unlimited proposals and advanced features like custom branding and analytics.

Are the e-signatures collected legally binding?

Yes, the e-signatures collected through SoloTools are designed to be legally binding. The platform provides a clear audit trail showing the client's intent to sign, their drawn signature, and the timestamp of acceptance. For critical contracts, we always recommend consulting with a legal professional to ensure compliance with specific jurisdictional requirements.

Can I connect SoloTools to other tools I use?

Absolutely. SoloTools offers Zapier-ready webhooks, allowing you to connect your proposal data to thousands of other apps like your CRM, accounting software, or calendar. Automate workflows by triggering actions when a proposal is sent, viewed, or signed, keeping all your tools in sync and saving you even more time.

Alternatives

Invoice Guru Alternatives

Invoice Guru is a mobile-first invoicing platform designed specifically for tradespeople and small service business owners in the UK. By streamlining the invoicing process, Invoice Guru empowers users to create HMRC-compliant invoices in seconds, allowing them to focus more on their craft and less on administrative tasks. Users often seek alternatives to Invoice Guru for various reasons, including pricing, specific feature sets, or compatibility with their preferred platforms. When searching for an alternative, it’s crucial to consider factors like ease of use, mobile capabilities, automation features, and compliance with relevant regulations to ensure that the chosen tool meets their business needs effectively.

SoloTools Alternatives

SoloTools is a powerful AI proposal generator in the business and finance category, designed to help freelancers and consultants create professional client proposals in seconds. It transforms a few simple inputs into a comprehensive document, saving valuable time and elevating your client interactions. Users often explore alternatives for various reasons, such as needing different pricing structures, specific advanced features, or integration with other platforms they use. It's a natural step in finding the perfect tool that aligns with your unique workflow and business growth goals. When evaluating other options, focus on what truly matters for your success. Consider the core value: does it save you meaningful time while improving quality? Look for flexibility in editing, professional output formats, and insights into client engagement. The right tool should feel like a seamless extension of your expertise, empowering you to close deals with confidence.

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