Comparison

Invoice Maker by SPK vs Simple Invoice Maker

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

Head to head
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

About

Simple Invoice Maker

Create professional invoices, estimates, and receipts quickly and easily. Customize your documents with your logo and brand colors, and share them instantly via email or messaging apps. This app simplifies billing for businesses and freelancers worldwide.

Highlights
  • Fast invoice creation
  • Add logo and signature
  • Share via WhatsApp and email
  • Customizable colors
  • Global compliance
  • Secure data encryption
Features
Read full description

Easy Invoice Maker: Simplify Your Billing Process Easy Invoice Maker is the perfect solution for both businesses and freelancers. With its simple interface and impressive features, it makes the invoice creation process easier and saves you time. Fast and Easy Invoice Creation With our application, the invoice creation process can now be completed in seconds. Through a simple and user-friendly interface, you can quickly enter your customers' information, add product or service details, and create the invoice instantly. By simplifying the invoice creation process, it increases your business efficiency and helps you use your time more effectively. Invoice Customization: Add Your Logo and Signature Make your invoices more professional by adding your business logo and signature. Customize the appearance of your invoices to match your brand identity and create a professional impression for your customers. Invoice Sharing: Easy Sending via WhatsApp and E-mail Integrated sharing features allow you to instantly deliver invoices to your customers, allowing you to manage your business faster and more efficiently. You can export invoices in PDF format and send them to customers via WhatsApp, e-mail, or other communication channels. This feature improves the professional appearance of your business and ensures customer satisfaction. Flexible Design: Create Invoices in Your Preferred Colors Customize your invoices by selecting your preferred colors. Match them to your brand’s identity and give your invoices a unique and professional look that suits your business. Global Compliance: Suitable for All Countries Ideal for businesses operating around the world, Easy Invoice Maker is designed to meet the requirements of all countries. Our app has been developed to accommodate different currencies, allowing you to do business globally. You can create and receive payments for invoices specific to any country. Safe and Reliable The security of your customers and your business information is important to us. Easy Invoice Maker provides a secure platform protected by the latest security measures. Your data is end-to-end encrypted and kept safe thanks to its seamless backup features. Conclusion Easy Invoice Maker is a powerful and user-friendly tool that helps you grow your business and increase customer satisfaction. With easy invoice creation, fast sharing, secure payment methods, and customizable invoices, it simplifies financial management for your business and saves you time. What's more, its global compliance allows you to do business worldwide. Download Easy Invoice Maker today and contribute to the growth of your business! Privacy Policy : https://invoicemakerapp7.blogspot.com/2025/03/privacy-policy.html Terms Of Use : https://invoicemakerapp7.blogspot.com/2025/03/terms-of-use.html Support Link : https://invoicemakerapp7.blogspot.com/2025/03/support.html

Screenshots

Invoice Maker by SPK4 screens
Simple Invoice Maker4 screens

Verdict

The call

Invoice Maker by SPK and Simple Invoice Maker both sit at 4.8 stars, but that hides the real split: 100% of Simple Invoice Maker's written reviews are positive against 73% of Invoice Maker by SPK's. Invoice Maker by SPK's advantage is ratings volume (906 vs 11) and update cadence (weekly vs every 3 weeks). On price, rating, 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. Invoice Maker by SPK sells 9 in-app purchases, starting at $4.99 per month and Simple Invoice Maker sells 4 in-app purchases, starting at $4.99 per 7 days. 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 — 4.8 for Invoice Maker by SPK against 4.8 for Simple Invoice Maker. That said, the two scores are not equally well evidenced: Invoice Maker by SPK has 906 ratings behind it against 11, so its average is the more settled of the two. Written reviews are what separate them: 73% of Invoice Maker by SPK's written reviews are positive against 100% of Simple Invoice Maker's.

UpkeepUpdate frequency

Invoice Maker by SPK ships an update weekly, Simple Invoice Maker every 3 weeks. The most recent releases landed on October 18, 2026 and October 15, 2026 respectively.

Scorecard4 real differences · 6 level
Invoice Maker by SPK versus Simple Invoice Maker: the parameters behind the verdict, then further details
ParameterInvoice Maker by SPKSimple Invoice Maker
PriceFreeFree
Rating4.8 (906 ratings)4.8 (11 ratings) — better
Positive reviews73.3% of reviews100.0% of reviews — better
Number of ratings906 — better11
Update frequencyWeekly — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad
Requires iOS13.0 — better16.4
Further details — not scored
Size30 MB46 MB
Age rating4+17+
DeveloperSPK Studios LLCHypex Mobile

Customer experience

Invoice Maker by SPK

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

Simple Invoice Maker

All ratings11 ratings
Positive90.9%
Neutral9.1%
Negative0.0%
Written reviews26 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

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

Simple Invoice Maker

Not enough reviews yet to summarise bugs or requests.

In-app purchases

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
4 purchases

Simple Invoice Maker

Subscriptions4
  • Premium$4.997 Days
  • Weekly Subscription3 Days trial$4.997 Days
  • Monthly Subscription$8.991 Month
Show 1 more
  • Annual Subscription$34.991 Year

Questions

Is Invoice Maker by SPK free?
Invoice Maker by SPK is free to download, with in-app purchases available.
Is Simple Invoice Maker free?
Simple Invoice Maker is free to download, with in-app purchases available.
Which has better reviews, Invoice Maker by SPK or Simple Invoice Maker?
Simple Invoice Maker is rated higher. Invoice Maker by SPK averages 4.8 out of 5 from 906 ratings, while Simple Invoice Maker averages 4.8 from 11 ratings.
Do Invoice Maker by SPK or Simple Invoice Maker have ads?
Neither Invoice Maker by SPK nor Simple Invoice Maker shows ads.
Which is updated more often, Invoice Maker by SPK or Simple Invoice Maker?
Invoice Maker by SPK ships an update weekly, and Simple Invoice Maker every 3 weeks. Most recently, Invoice Maker by SPK was updated on October 18, 2026 and Simple Invoice Maker on October 15, 2026.

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