Comparison

QI vs Invoice maker, invoice simple

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

QI

This app helps self-employed individuals and freelancers track work hours, manage projects, and generate professional invoices and estimates. Customize invoices with your logo and colors, and export reports in CSV format for clients or accountants.

Highlights
  • Track working time across multiple projects
  • Generate custom invoices with logo and colors
  • Export reports in CSV format
  • Support for 23 languages
  • Set monthly billing goals
  • Secure project hiding with Touch ID/Face ID
Features
Read full description

Quick Invoice is the best app for freelancers who need to keep of their work hours and billing. KEY FEATURES • Track working time with support for multi projects • Exporting reports for clients / accountant in CSV • Ability to hide projects with Touch Id / Face Id • Custom invoices (logo and colors) • Invoices in 23 different languages • Setting up a monthly billing goal And much more on the way! -- Upgrade to Quick Invoice PRO for a more powerful experience ($3.99 monthly, $35.99 annually): • Create your invoices in a moment • Customize them with your logo and the colors of your business • Invoices in 23 different languages • Detailed and personalized reports for your clients in CSV Price may vary by location. Subscriptions will be charged to your credit card through your iTunes account. Your account will be charged $3.99 (monthly) or $35.99 (yearly) for renewal within 24 hours prior to the end of the current period. Subscriptions will automatically renew unless canceled at least 24 hours before the end of the current period. It will not be possible to immediately cancel a subscription. You can manage subscriptions and turn off auto-renewal by going to your Account Settings after purchase. Refunds are not available for unused portions of a subscription. Terms and conditions: https://termsfeed.com/terms-conditions/786e56c3095f36f3ff2f71cbbd1ef70f Privacy policy: https://termsfeed.com/privacy-policy/1a71a1daf9ae519bd200bf552864eab9

About

Invoice maker, invoice simple

This app simplifies invoice creation, sending, and tracking for freelancers and small businesses. It offers professional templates, automatic calculations, and due date reminders to streamline billing and improve cash flow. Manage estimates and receipts efficiently with cross-device synchronization.

Highlights
  • Diverse invoice templates
  • Invoice status tracking
  • Smart due date reminders
  • Create invoices anywhere
  • Automatic calculations & tax handling
  • Export and share invoices
  • Estimate maker & receipts
Features
Read full description

Invoice Master – Easy Invoices The Smart and Convenient Invoice Maker App Why Choose Invoice Master? In today’s fast-paced business world, efficient invoice management is crucial. Whether you are a freelancer, small business owner, or part of a financial team, Invoice Master makes invoicing simple, accurate, and professional. With this invoice app, you can create, send, and track invoices with ease—anytime, anywhere. Core Features 1. Diverse Invoice Templates - Professional invoice templates for multiple industries. - Simple or advanced layouts, customizable with your logo and brand colors. - Built-in invoice generator for quick setup and personalization. 2. Clear Invoice Status Tracking - Track the status of every invoice. - Get real-time updates on pending, paid, or overdue invoices. - Ensure you never miss critical payment updates. 3. Smart Due Date Reminders - Automatic reminders for invoice due dates. - Reduce late payments, protect your cash flow, and ensure financial stability. 4. Create Invoices Anytime, Anywhere - Work from your office, home, or while traveling. - Cross-device synchronization allows seamless invoice management. - Fast and reliable for businesses needing mobile invoicing. 5. Automatic Calculations & Tax Handling - Invoice app with auto-calculation of totals, discounts, and taxes. - Compliant with local tax regulations. - Save time and avoid manual calculation errors. 6. Easy Export and Sharing - Export invoices as PDF files. - Share instantly with clients via email or messaging apps. - Improve workflow and professionalism. 7. Estimate Maker & Receipts - Create and send estimates within seconds. - Convert estimates into invoices instantly. - Manage receipts with the same simple process. Extra Benefits Multi-Purpose Use - Ideal for freelancers (designers, consultants, developers). - Perfect for small business owners needing efficient billing. - Useful for larger teams to centralize invoice tracking. Security & Reliability - Encrypted data storage to keep your financial records safe. - Reliable invoice management tool with stable performance. - iCloud backup and restore supported to keep your invoice permanatenly. Professional Branding - Add your company logo, contact details, and signature. - Ensure every invoice, estimate, and receipt looks polished. - Build stronger trust with clients through professional documents. Productivity Boost - Reduce paperwork and manual tasks. - Save hours every week with automated invoice handling. - Let the app handle invoice generator tasks while you focus on growth. Advanced Advantages Multi-Currency & Multi-Language Support - Create invoices in different currencies for global clients. - Support multiple languages to make invoicing more accessible. - Ensure smooth collaboration with international partners. Client Management - Store client contact details within the app or backup on iCloud. - Quickly select clients when creating new invoices. - Build a reliable history of transactions for future reference. Financial Insights - View summaries of paid, pending, and overdue invoices. - Track total revenue and outstanding balances. - Use built-in analytics to improve cash flow management. User-Friendly Experience - Clean interface for faster navigation. - Intuitive design for both beginners and professionals. - No steep learning curve—start creating easy invoices right away. Who Can Benefit? - Freelancers: Designers, consultants, writers, and developers. - Small Businesses: Shops, agencies, startups, and online sellers. - Enterprises: Teams managing multiple clients and transactions. Invoice Master is designed to be flexible, covering all use cases where easy invoices, estimates, and receipts are required. Contact & Support For questions or feedback: horizonhub@163.com Terms of Use: https://privacypolicy-gls.web.app/termsofuse.html Privacy Policy: https://privacypolicy-gls.web.app/ With Invoice Master, invoicing becomes easy, smart, and professional.

Screenshots

QI4 screens
Invoice maker, invoice simple4 screens

Verdict

The call

The clearest difference is rating: Invoice maker, invoice simple at 4.9 against QI's 4.6. QI's advantage is update cadence (weekly vs fortnightly) and iOS requirement (13.0 vs 15.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. QI sells 2 in-app purchases, starting at $3.99 per month and Invoice maker, invoice simple sells 6 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Invoice maker, invoice simple holds the better App Store score, 4.9 against 4.6. Both are backed by a comparable volume of ratings — 22 and 12 respectively.

UpkeepUpdate frequency

QI ships an update weekly, Invoice maker, invoice simple fortnightly. Both last shipped on October 24, 2026.

Scorecard3 real differences · 7 level
QI versus Invoice maker, invoice simple: the parameters behind the verdict, then further details
ParameterQIInvoice maker, invoice simple
PriceFreeFree
Rating4.6 (22 ratings)4.9 (12 ratings) — better
Positive reviews62.5% of reviews—
Number of ratings22 — better12
Update frequencyWeekly — betterFortnightly
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size21 MB60 MB
Age rating4+4+
DeveloperMiguel Munoz英 黄

Customer experience

QI

All ratings22 ratings
Positive95.5%
Neutral0.0%
Negative4.5%
Written reviews8 reviews
Positive62.5%
Neutral0.0%
Negative37.5%

Invoice maker, invoice simple

All ratings12 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

QI

Subscriptions2
  • Quick invoices & estimates7 Days trial$3.991 Month
  • Quick invoice PDF maker7 Days trial$33.991 Year
6 purchases

Invoice maker, invoice simple

Subscriptions4
  • Monthly Membership with discount$5.991 Month
  • Monthly Membership$6.991 Month
  • Yearly Pro - 30% Off$34.991 Year
Show 1 more
  • Yearly Membership$49.991 Year
One-time2
  • Invoice Pro for Lifetime$79.99
  • Lifetime_original$109.99

Questions

Is QI free?
QI is free to download, with in-app purchases available.
Is Invoice maker, invoice simple free?
Invoice maker, invoice simple is free to download, with in-app purchases available.
Which has better reviews, QI or Invoice maker, invoice simple?
Invoice maker, invoice simple is rated higher. QI averages 4.6 out of 5 from 22 ratings, while Invoice maker, invoice simple averages 4.9 from 12 ratings.
Do QI or Invoice maker, invoice simple have ads?
Neither QI nor Invoice maker, invoice simple shows ads.
Which is updated more often, QI or Invoice maker, invoice simple?
QI ships an update weekly, and Invoice maker, invoice simple fortnightly. Most recently, QI was updated on October 24, 2026 and Invoice maker, invoice simple on October 24, 2026.

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