Invoice Guru vs SoloTools
Side-by-side comparison to help you choose the right product.
Invoice Guru
Invoice Guru empowers UK tradespeople to effortlessly create compliant invoices in under a minute, boosting efficiency.
Last updated: February 28, 2026
SoloTools
SoloTools crafts your client's journey from idea to signed proposal in seconds with AI.
Last updated: March 4, 2026
Visual Comparison
Invoice Guru

SoloTools

Feature Comparison
Invoice Guru
Instant Invoice Creation
With Invoice Guru, creating an invoice is a breeze. Users can input client details and item descriptions in seconds, enabling them to send professional invoices with just a few taps. The platform also allows customization with logos, payment terms, and due dates automatically filled in.
Automatic Invoice Numbering
Say goodbye to manual numbering. Invoice Guru automatically assigns invoice numbers and dates based on your fiscal year settings, ensuring that all invoices are correctly organized and compliant with accounting principles.
OCR Receipt Scanner (AI)
This innovative feature uses artificial intelligence to simplify expense tracking. Users can take a photo of their receipts, and the AI will extract all necessary details, eliminating the need for tedious manual data entry and ensuring accurate record-keeping.
Smart Payment Tracking
Invoice Guru takes the hassle out of tracking payments. It automatically matches incoming bank transactions with unpaid invoices, providing users with real-time updates on which clients have paid and which invoices are still outstanding.
SoloTools
AI-Powered Proposal Generation
This is the core magic. Instead of filling out rigid templates, you describe your project in plain language. The AI then writes a tailored proposal from scratch, generating persuasive executive summaries, logical scope breakdowns, professional pricing tables, and appropriate terms and conditions. It acts as a strategic writing partner, ensuring every proposal is uniquely crafted for the project and client at hand, saving you hours of drafting and mental energy.
Intelligent AI Editing & Refinement
The AI's role continues after the first draft. For each section of the proposal—like the executive summary or scope of work—you can command the AI to refine it on the fly. With simple prompts like "Make more persuasive," "Make shorter," or "Rewrite in a formal tone," the AI rewrites that specific part to your liking. This allows for granular control and polish, ensuring the final document perfectly matches your voice and strategic goals without manual rewriting.
End-to-End Client Journey Management
SoloTools manages the entire lifecycle of a proposal. You can send proposals directly via email with a personalized message. Once sent, you gain visibility into the client's engagement: get real-time notifications when they view it, see how many times it's been opened, and track its status. The platform also supports collecting legally-binding e-signatures directly on the document and allows you to set expiry dates to create urgency, automating the follow-up process.
Proposal Analytics & Performance Tracking
Move beyond guesswork in your business development. SoloTools provides clear analytics on your proposal performance. Visualize your conversion funnel from "Sent" to "Viewed" to "Accepted/Declined" to identify where you might be losing deals. Track your overall win rate and average closing time. These insights help you understand what's working, refine your approach, and ultimately win more business by making data-driven decisions.
Use Cases
Invoice Guru
On-Site Invoicing for Electricians
Imagine an electrician finishing up a job in a client's loft. With Invoice Guru, they can create and send an invoice in less than a minute while still on-site, ensuring they get paid promptly without returning to the office.
Quick Invoicing for Painters
A painter can seamlessly generate an invoice between coats of paint, capturing their work's details while still engaging with their clients. This instant invoicing capability helps maintain cash flow and client satisfaction.
Efficient Plumbing Billing
For plumbers working in tight spaces, Invoice Guru allows them to generate professional invoices directly from their mobile devices. They can send invoices immediately after the job is completed, reducing delays in payment.
Hassle-Free Expense Management for Contractors
Contractors often deal with numerous receipts. With Invoice Guru's OCR receipt scanner, they can simply snap a photo of their receipts, and the software will automatically log expenses, saving time and ensuring accuracy.
SoloTools
The Freelance Web Designer
A freelance web designer lands a call with a promising new startup. After the discovery call, they use SoloTools to input the client's name, project type ("Website Redesign"), budget, and key scope notes. In seconds, they have a polished proposal with a compelling case for improved UX and conversion rates, a phased timeline covering discovery, design, and development, and a clear investment summary. They use the AI to make the executive summary more persuasive before sending it directly to the client's email and tracking its engagement.
The Independent Marketing Consultant
An independent marketing consultant is pitching a comprehensive 6-month SEO strategy to a local business. Unsure about market-rate pricing for the package, they use SoloTools' smart pricing suggestion feature to get a data-informed starting point. The AI generates a detailed scope outlining keyword research, on-page optimization, and monthly reporting. The consultant sets a 14-day expiry date on the proposal to encourage a timely decision and enables auto follow-up reminders to stay top-of-mind without manual chasing.
The Solo Management Consultant
A solo management consultant needs to propose a high-value business process audit to a corporate client. Professionalism and detail are paramount. They use SoloTools' formal business template as a foundation. They then utilize the section-level AI editing to ensure the language is appropriately formal and the terms are comprehensive. After sending, they receive an alert the moment the executive team opens the proposal, allowing for perfectly timed follow-up communication.
The Busy Creative Freelancer
A graphic artist and illustrator juggles multiple client projects. They cannot afford to spend half a day writing proposals. For every new project inquiry, they spend 30 seconds in SoloTools inputting the basics. The AI instantly generates a clear, professional proposal that includes deliverables, revision rounds, pricing, and copyright terms. This efficiency allows them to respond to opportunities faster than competitors and protect their valuable creative time for actual billable work.
Overview
About Invoice Guru
Invoice Guru is a revolutionary mobile-first invoicing software designed specifically for tradespeople and service providers who need a fast, efficient way to manage their invoicing on the go. Born from the experiences of a tradesperson, this tool addresses the challenges of traditional desktop invoicing that often feels cumbersome and time-consuming after a long day at work. With Invoice Guru, users can create professional invoices in just 60 seconds directly from their smartphones, ensuring they can focus on their craft rather than administrative headaches. The platform integrates advanced features like AI receipt scanning, automatic payment tracking, and compliance with HMRC regulations, providing small business owners the confidence to manage their finances while staying organized effortlessly. Ultimately, Invoice Guru empowers users to get paid faster and streamline their invoicing process, allowing them to concentrate on what they do best.
About SoloTools
Imagine the moment a dream project lands in your inbox. The excitement is quickly shadowed by the daunting reality: you now have to translate that initial spark into a formal, persuasive, and professional proposal. Hours vanish into a blank document, wrestling with scope details, pricing tables, and the perfect executive summary. This is the old way. SoloTools is the new path. It is an AI-powered proposal generator built specifically for the modern freelancer, consultant, and solo entrepreneur. It understands that your genius lies in your craft, not in administrative paperwork. By simply inputting basic project details—client name, project type, budget, and a few key notes—in about 30 seconds, SoloTools' intelligent engine crafts a complete, client-ready proposal in roughly 12 seconds. It weaves together a compelling narrative, a detailed scope of work, clear pricing, a realistic timeline, and standard terms. But the journey doesn't end at creation. SoloTools is your partner from draft to deposit, offering tools to send, track, and get proposals legally signed. It transforms a tedious, time-consuming chore into a seamless, professional experience that helps you win more business and get back to the work you love.
Frequently Asked Questions
Invoice Guru FAQ
How does Invoice Guru ensure HMRC compliance?
Invoice Guru is designed with UK tradespeople in mind, ensuring that all invoices are compliant with HMRC regulations, including Making Tax Digital (MTD) requirements, so users can focus on their work without worrying about compliance issues.
Can I use Invoice Guru for international transactions?
Yes! Invoice Guru supports multiple currencies and languages, making it suitable for international business transactions. Users can easily create invoices tailored to different markets.
Is there a free trial available?
Absolutely! Invoice Guru offers a 10-day free trial, allowing users to explore all features without any commitments. Users can also access a free plan with limited features to get started.
What types of payment integrations does Invoice Guru support?
Invoice Guru supports various payment methods, including bank transfers, PayPal, and Stripe. This flexibility ensures that users can receive payments through their preferred channels, making it easier for clients to pay.
SoloTools FAQ
How does the AI generate a proposal?
You provide the core project information: client name, project type, budget, and a brief description or scope notes. SoloTools' AI analyzes this input and constructs a complete, structured proposal tailored to that specific project. It writes original content for key sections like the executive summary, scope of work, pricing breakdown, timeline, and terms, ensuring it is coherent and client-ready, not just a template with filled blanks.
Is there a free plan?
Yes, SoloTools offers a free plan to get started. It allows you to create and send up to three proposals per month at no cost. This includes access to the core AI generation and basic features, requiring no credit card to sign up. It's designed to let you fully experience the platform's value before deciding to upgrade to a paid plan for unlimited proposals and advanced features.
Can I edit the proposals after the AI creates them?
Absolutely. You have full control over the final document. You can manually edit any text in the proposal. More powerfully, you can use the AI section-level editing commands to refine specific parts. You can also adjust pricing, timelines, and terms. All proposals are fully customizable to ensure they perfectly represent you and your agreement with the client before sending.
How do clients sign the proposal?
SoloTools includes an integrated e-signature feature. When you send a proposal to a client, they can review it directly in their browser. To accept, they are prompted to draw their signature using their mouse, finger, or stylus. This creates a legally-binding electronic signature on the document. You are notified immediately upon signing, and the proposal status updates to "Accepted," streamlining the approval process.
Alternatives
Invoice Guru Alternatives
Invoice Guru is a mobile-first invoicing tool designed specifically for tradespeople in the UK, enabling them to create compliant invoices on-site in seconds. It caters to professionals who need a quick and efficient way to manage their invoicing without the hassle of traditional desktop software. Users often seek alternatives to Invoice Guru for various reasons such as pricing, features that better suit their specific needs, or compatibility with other platforms they may be using. When looking for an alternative, it’s essential to consider factors like ease of use, the ability to generate compliant invoices quickly, mobile access, and any additional features that streamline bookkeeping processes. Understanding your unique workflow and requirements will help you find the right tool that complements your trade and enhances your efficiency.
SoloTools Alternatives
In the bustling world of freelance and consulting, SoloTools stands as a dedicated AI proposal generator. It belongs to a category of smart business tools designed to save independent professionals precious time, transforming rough project notes into polished, client-ready proposals in moments. This automation allows creators to focus on their craft rather than administrative tasks. Yet, the search for the perfect tool is a personal journey. Some may seek alternatives due to budget constraints, needing a different pricing model or a more robust free tier. Others might require specific integrations with their existing project management or CRM platforms, or desire more advanced customization and branding capabilities beyond the basics. When exploring other options, consider what truly matters for your workflow. Look at the core value: does it genuinely save you time? Evaluate the flexibility of the proposals and the ease of making them your own. Finally, consider how it fits into your broader client journey, from that first impression to final signature and project kickoff.