Invoice Guru vs SoloTools

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

Invoice Guru enables UK tradespeople to create compliant invoices in under a minute, streamlining their invoicing.

Last updated: February 28, 2026

SoloTools uses AI to instantly create polished, client-ready proposals for your projects.

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 professional invoices in under a minute. Simply input your client's details and items, and Invoice Guru automatically adds your logo, VAT, payment terms, and due date.

Automatic Invoice Numbering

Invoices are automatically numbered and dated according to your fiscal year settings, ensuring organized record-keeping without manual effort.

OCR Receipt Scanner (AI)

Use the AI-driven OCR receipt scanner to snap a photo of your receipts. The app reads the details and saves them as expense entries, eliminating the need for manual data entry and saving valuable time.

Smart Payment Tracking

Automatically match incoming bank transactions with unpaid invoices. This feature provides clear visibility on which clients have paid and which invoices are overdue, streamlining your cash flow management.

SoloTools

AI-Powered Proposal Generation

Go beyond simple templates. The core AI engine writes full, tailored proposals from a brief description. It generates persuasive executive summaries, detailed scope breakdowns, professional pricing tables, and terms specific to your project type, ensuring every proposal is client-ready and compelling.

AI Section-Level Editing

Refine your proposal with precision. For any section, you can instruct the AI to "Make more persuasive," "Make shorter," "Make more detailed," or "Rewrite in formal tone." This allows for quick, intelligent edits without manual rewriting, maintaining a high standard of quality.

Client Tracking & E-Signatures

Manage the entire proposal lifecycle. Send proposals directly via email with a personal message. Get real-time notifications when a client views your proposal for the first time. Clients can then accept and provide a drawn e-signature directly on the document, streamlining approval.

Proposal Analytics & Automation

Gain insights to win more deals. Track your proposal funnel from sent to viewed to signed. See conversion rates and average close times. Automate follow-ups with reminder emails and create urgency by setting proposal expiry dates, so you never have to chase clients manually.

Use Cases

Invoice Guru

On-Site Invoicing for Tradespeople

Tradespeople can create and send invoices immediately after completing a job, enhancing customer satisfaction by providing instant billing and reducing payment delays.

Expense Management for Small Businesses

Small business owners can effortlessly track expenses using the OCR receipt scanning feature, allowing them to focus on growth without getting bogged down by paperwork.

Compliance with Tax Regulations

Professionals can rest easy knowing that Invoice Guru is designed to meet HMRC compliance standards and adapt to future regulations, allowing users to focus on their work instead of worrying about compliance issues.

Custom Branding for Professional Image

Businesses can personalize invoices with their own branding, including logos and company information, ensuring a professional presentation that enhances credibility with clients.

SoloTools

Freelance Web Designers & Developers

Quickly generate detailed proposals for website projects. Input client goals, budget, and features needed. AI creates a scope with phases like Discovery, UI/UX Design, and Development, complete with timelines and itemized pricing, presenting a professional front to win redesign or build contracts.

Independent Marketing Consultants

Streamline proposal creation for SEO, content, or social media campaigns. Describe the client's objectives and target audience. The AI drafts a proposal with a strategy overview, key deliverables, performance metrics, and investment breakdown, helping consultants secure retainer or project-based work efficiently.

Solo Business & Strategy Consultants

Propose high-value consulting engagements with ease. Input the business challenge and desired outcomes. SoloTools generates a structured proposal with an executive summary, methodology, project phases, and a clear fee structure, enabling consultants to focus on strategy rather than document formatting.

Creative Professionals (Writers, Designers)

Turn project discussions into formal agreements instantly. For a branding or copywriting project, provide the core requirements. The AI outputs a proposal outlining creative deliverables, revision cycles, pricing, and copyright terms, protecting the professional and setting clear expectations with the client.

Overview

About Invoice Guru

Invoice Guru is a cutting-edge mobile-first invoicing application designed specifically for tradespeople and small service businesses. Unlike conventional desktop invoicing tools, Invoice Guru enables professionals like painters, plumbers, electricians, and cleaners to swiftly create and send invoices directly from their mobile devices. This application is engineered for both speed and simplicity, allowing users to generate invoices in less than 60 seconds, thereby minimizing the time spent on administrative tasks. Key features include automatic accountant reports for efficient bookkeeping, seamless bank integration for easy payment tracking, and OCR receipt scanning to simplify expense management. Additionally, Invoice Guru is designed with future regulations in mind, ensuring compliance with HMRC in the UK and KSeF in Poland without the need for users to switch tools as legislation evolves. Created by a tradesperson, this app effectively addresses the everyday challenges of running a small business, making it an essential tool for busy professionals seeking efficiency and compliance.

About SoloTools

SoloTools is an AI-powered proposal generator built for freelancers and independent consultants. It transforms the time-consuming, often daunting task of creating client proposals into a process that takes seconds. Users simply input basic project details like client name, project type, budget, and scope notes. In about 30 seconds, the AI crafts a complete, professional proposal. This includes a compelling executive summary, detailed scope of work, clear pricing breakdown, realistic timeline, and standard terms. The tool is designed for busy solo professionals who want to appear more polished, save countless hours, and win more business by streamlining their client interactions. Beyond generation, SoloTools provides a full workflow: send proposals via email, track when clients view them, and collect legally-binding e-signatures directly on the platform. With a free tier offering three proposals per month, it's a risk-free way to enhance your proposal process and close deals faster.

Frequently Asked Questions

Invoice Guru FAQ

How does Invoice Guru ensure compliance with UK tax regulations?

Invoice Guru is designed to meet HMRC compliance standards. It automatically generates reports and invoices that adhere to current regulations, ensuring users remain compliant without additional effort.

Can I use Invoice Guru internationally?

Yes, Invoice Guru supports multiple languages and currencies, making it suitable for international business operations. This feature allows users to adapt their invoicing processes as needed based on their location.

Is there a free trial available for Invoice Guru?

Yes, Invoice Guru offers a 10-day free trial along with a free plan for users who want to start invoicing without financial commitment. This allows potential users to explore the app's features before subscribing.

What types of payments can I accept through Invoice Guru?

Invoice Guru enables users to accept payments via bank transfers, PayPal, and Stripe, providing flexibility in how clients can settle their invoices. This variety enhances convenience for both businesses and their customers.

SoloTools FAQ

How does the AI proposal generator work?

You provide basic project details: client name, project type, budget, and a few scope notes. Our AI analyzes this input and generates a complete, structured proposal in about 12 seconds. It creates all standard sections, including an executive summary, detailed scope of work, pricing table, timeline, and terms and conditions.

Is there a free plan?

Yes. SoloTools offers a completely free plan that includes 3 proposals per month at no cost. You do not need a credit card to sign up. This plan allows you to test the full AI generation, editing, and sharing features to see if it fits your workflow before upgrading.

How do clients sign the proposal?

You send the proposal via email directly from SoloTools. The client receives a link to a professional, branded proposal page. They can review it and, to accept, draw their signature directly on the document using their mouse or finger (on touch devices). This creates a legally-binding e-signature.

Can I edit the proposals the AI creates?

Absolutely. Every part of the AI-generated proposal is fully editable. You can manually change any text. More powerfully, you can use AI commands per section to rewrite, shorten, or make text more persuasive. This ensures the final document perfectly matches your voice and the project's specifics.

Alternatives

Invoice Guru Alternatives

Invoice Guru is a mobile-first invoicing application specifically designed for tradespeople and small service businesses in the UK. It simplifies the invoicing process, enabling users to create and send compliant invoices in under a minute, directly from their mobile devices. Users often seek alternatives due to factors such as pricing, feature sets, platform compatibility, and specific business needs. When choosing an alternative, it's crucial to consider the app's ease of use, compliance with regulations, integration capabilities, and support for mobile functionality, ensuring it aligns with the demands of on-site professionals.

SoloTools Alternatives

SoloTools is an AI-powered proposal generator in the business and finance software category. It helps freelancers and independent consultants quickly create professional client proposals by automating the drafting process. Users often seek alternatives for various reasons. This can include needing different pricing structures, more advanced features like CRM integration, or a platform that caters to larger teams. Some may require more extensive customization or specific industry templates not offered by their current tool. When evaluating alternatives, consider your core needs. Key factors include the quality of AI output, ease of editing, pricing transparency, and available integrations. Also, assess the level of branding control, collaboration features for teams, and the depth of analytics to track proposal performance.

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