Comparison

Estimate Maker, Contractor Pay vs Invoice Maker by SPK

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

Head to head
About

Estimate Maker, Contractor Pay

This app helps freelancers, contractors, and small businesses create professional estimates, invoices, and quotes quickly. It offers features like PDF export, custom branding, and offline mode to streamline the billing process and get paid faster.

Highlights
  • Instant estimate creation
  • Convert estimates to invoices
  • PDF export and email
  • Custom branding with logo
  • Pre-built templates
  • Auto-calculates taxes and totals
  • Customer and item management
  • Offline mode
Features
Read full description

**Estimate Maker - Invoice +** Create Estimates, Invoices & Quotes – Fast, Easy & Professional! Need a fast and reliable way to create estimates, invoices, and quotes on the go? Whether you're a freelancer, contractor, or small business owner, Estimate Maker - Invoice + is your all-in-one tool to send professional documents, win more jobs, and get paid faster. No complicated setup. Just simple, powerful invoicing in your pocket. --- Top Features to Save You Time & Win Clients * Instant Estimate Maker – Create accurate, professional estimates in under a minute * Invoice Generator App – Convert estimates to invoices with one tap * PDF Estimates & Invoices – Export and email as high-quality PDFs instantly * Custom Branding – Add your logo, business details, and custom notes * Pre-built Templates – Choose from clean, modern templates that impress clients * Tax, Discount, and Totals – Auto-calculates everything, including GST, VAT, or custom taxes * Customer & Item Management – Save clients, services, and products for faster quoting * Offline Mode – Works even without internet connection * Send via Email or Print – Share instantly or print on the spot --- Perfect For: * Contractors & Tradespeople * Freelancers & Consultants * Electricians, Plumbers, Builders * Designers, Developers, Photographers * Cleaning Services, Handymen * Small Businesses & Startups --- Why People Love Estimate Maker - Invoice +: * Simple to use — no training needed * Saves time and reduces paperwork * Helps you look professional and organized * Gets you paid on time with clear, detailed invoices --- Start winning jobs and getting paid faster — Download Estimate Maker - Invoice + now! --- Upgrade to Subscription Version The subscription version offers cloud sync and backup, allowing you to securely save all your data and share it across multiple iOS devices. Upgrading requires an auto-renewal subscription. Payment will be charged to your Apple ID account upon confirmation of purchase. The subscription automatically renews unless canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. Manage and cancel your subscriptions in your App Store account settings after purchase. **Privacy Policy and Terms of Use:** http://invoicemkr.com/privacy.html http://invoicemkr.com/terms.html Feel free to contact us for anything. Simplify your life now.

About

Invoice Maker by SPK

Create and send professional PDF invoices and estimates quickly and easily. This ad-free, watermark-free app is ideal for small business owners, consultants, and freelancers on the go. Customize templates, track clients, and manage your billing efficiently.

Highlights
  • Create unlimited invoices and estimates
  • No ads or watermarks
  • Customizable invoice fields
  • Client list management
  • Multiple sharing options (email, WhatsApp, text)
  • Convert estimates to invoices
  • Company logo and signature upload
Features
Read full description

Invoice Maker+ is the #1 invoice app available today! It is an award-winning business utility app with NO ADS and NO WATERMARKS. It is the ideal on-the-go mobile solution for small business owners, consultants, contractors, and freelancers in all industries! Our easy-to-use generator allows you to create and send professional PDF invoices and estimates to your customers within seconds. Create invoices and estimates wherever you are! You can send an invoice while in the office, home, car, and even while you are still with your customer! Share via email, WhatsApp, text, print, and more! Our professionally designed template is sophisticated, clean, modern, and attractive, and the customization features allow you to add as much level of detail as you’d like! --- Features: * Create and Share UNLIMITED invoices and estimates with NO ADS and NO WATERMARKS * Select your region preference to customize your currency and date format * Preview via PDF while the invoice or estimate is being created * Customize invoice fields including billing date, due date, item name, item description, quantity, rate, item discount, shipping, tax, overall discount, etc. * Create, track, and store your client list * Deliver via customized email, whatsapp, text, messenger, print, and more * Track and organize your invoices and estimates using our filters and labels (“Outstanding”, “Paid”, “Open”, and “Closed”) * Upload a company logo to personalize your invoices and estimates * Include personal signature * Add payment details (bank transfer, check payable, paypal email) * Convert estimates to invoice with the press of a button * Duplicate an existing invoice or estimate with the press of a button (major time-saver for recurring customers!) * Mark an invoice or estimate as “Draft” if still a work in progress * Store and organize your invoices in one place so filing taxes is quick and easy * Automatically add names to your client list from your phone contacts * Add any additional notes you wish, such as payment terms, company policy, a “Thank You” note, etc. --- Privacy Policy: https://www.iubenda.com/privacy-policy/17124454 Terms and Conditions: https://www.iubenda.com/terms-and-conditions/17124454

Screenshots

Estimate Maker, Contractor Pay4 screens
Invoice Maker by SPK4 screens

Verdict

The call

Estimate Maker, Contractor Pay and Invoice Maker by SPK both sit at 4.7 stars, but that hides the real split: 91% of Estimate Maker, Contractor Pay's written reviews are positive against 73% of Invoice Maker by SPK's. Invoice Maker by SPK's advantage is ratings volume (911 vs 165) and iOS requirement (13.0 vs 15.0). On price, rating, update cadence and ads 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. Estimate Maker, Contractor Pay sells 2 in-app purchases, starting at $5.99 per month and Invoice Maker by SPK sells 9 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for Estimate Maker, Contractor Pay against 4.8 for Invoice Maker by SPK. That said, the two scores are not equally well evidenced: Invoice Maker by SPK has 911 ratings behind it against 165, so its average is the more settled of the two. Written reviews are what separate them: 91% of Estimate Maker, Contractor Pay's written reviews are positive against 73% of Invoice Maker by SPK's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

Scorecard3 real differences · 7 level
Estimate Maker, Contractor Pay versus Invoice Maker by SPK: the parameters behind the verdict, then further details
ParameterEstimate Maker, Contractor PayInvoice Maker by SPK
PriceFreeFree
Rating4.7 (165 ratings)4.8 (911 ratings) — better
Positive reviews90.8% of reviews — better73.3% of reviews
Number of ratings165911 — better
Update frequencyWeeklyWeekly
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size78 MB30 MB
Age rating4+4+
DeveloperB TO J PTY LTDSPK Studios LLC

Customer experience

Estimate Maker, Contractor Pay

All ratings164 ratings
Positive93.3%
Neutral1.8%
Negative4.9%
Written reviews196 reviews
Positive90.8%
Neutral2.6%
Negative6.6%

Invoice Maker by SPK

All ratings906 ratings
Positive95.6%
Neutral1.4%
Negative3.0%
Written reviews30 reviews
Positive73.3%
Neutral10.0%
Negative16.7%

User reviews

Estimate Maker, Contractor Pay

From 165 App Store ratings

What we love

  • 👍 Easy to use
  • 🚀 Quick and efficient
  • 💼 Professional-looking invoices
  • 📱 Convenient mobile app
  • 💰 Affordable/free option

Room to improve

  • 🐛 Occasional crashes or bugs
  • 🔍 Limited customization options
  • 🔒 Concerns about data security
  • ⚠️ Unreliable sync/saving of estimates

Invoice Maker by SPK

From 911 App Store ratings

What we love

  • 👍 Easy to use
  • 🚀 Quick and efficient
  • 💡 Helpful features
  • ⭐ Great app overall

Room to improve

  • 🐛 Data loss issues
  • 🔒 Lack of device sync
  • 📝 Limited item descriptions
  • 🔧 Unreliable functionality

Bugs and requests

Estimate Maker, Contractor Pay

Reported bugs

3 issues
  • Estimates/invoices disappearing or not saving properly
  • Freezing or crashing when trying to access invoices
  • Glitches with sending estimates/invoices via email or text

Requested features

4 requests
  • Integrated spelling/grammar check
  • Automatic sales tax calculator
  • More customization options for invoices
  • Improved sync and data backup functionality

Invoice Maker by SPK

Reported bugs

2 issues
  • Invoices not updating correctly
  • Inability to unsubscribe from paid features

Requested features

3 requests
  • Ability to sync data across devices
  • Increased character limit for item descriptions
  • Improved customer support

In-app purchases

2 purchases

Estimate Maker, Contractor Pay

Subscriptions2
  • Monthly Subscription$5.991 Month
  • Yearly Subscription$59.991 Year
9 purchases

Invoice Maker by SPK

Subscriptions9
  • My Invoice Generator3 Days trial$4.991 Month
  • The Invoice Maker3 Days trial$7.991 Month
  • Invoice Maker App3 Days trial$9.991 Month
Show 6 more
  • Invoice Maker Pro3 Days trial$9.991 Month
  • Smart Invoice Maker3 Days trial$39.991 Year
  • Quick Invoice Maker3 Days trial$59.991 Year
  • Invoice Maker Professional3 Days trial$69.991 Year
  • App Invoice Maker3 Days trial$89.991 Year
  • Invoice Maker Plus3 Days trial$89.991 Year

Questions

Is Estimate Maker, Contractor Pay free?
Estimate Maker, Contractor Pay is free to download, with in-app purchases available.
Is Invoice Maker by SPK free?
Invoice Maker by SPK is free to download, with in-app purchases available.
Which has better reviews, Estimate Maker, Contractor Pay or Invoice Maker by SPK?
Invoice Maker by SPK is rated higher. Estimate Maker, Contractor Pay averages 4.7 out of 5 from 165 ratings, while Invoice Maker by SPK averages 4.8 from 911 ratings.
Do Estimate Maker, Contractor Pay or Invoice Maker by SPK have ads?
Neither Estimate Maker, Contractor Pay nor Invoice Maker by SPK shows ads.
Which is updated more often, Estimate Maker, Contractor Pay or Invoice Maker by SPK?
Estimate Maker, Contractor Pay ships an update weekly, and Invoice Maker by SPK weekly. Most recently, Estimate Maker, Contractor Pay was updated on October 23, 2026 and Invoice Maker by SPK on October 24, 2026.

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