Comparison

Invoice Pro. 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

Invoice Pro.

Create professional invoices and estimates offline on your device. This app offers fast, reliable invoice generation without needing an internet connection or registration. Customize your documents, manage payments, and share them easily.

Highlights
  • Offline invoice creation
  • Unlimited customer and product management
  • Customizable invoice templates
  • Email sharing and print support
  • Barcode scanning for products
  • Payment management
  • Data backup
Features
Read full description

Create professional invoices faster on your device staying offline! 1. No network connection needed to create invoice. No registration or login needed. The application is faster and more reliable because you can create all the invoice in offline mode. 2. Fast and simple to use 3. Optimized for phone and tablets 4. Create invoice, order, quote and credits 5. Unlimited creation of customer and products 6. Customization of the invoice : A4 / Letter format, change the labels on the invoice, add terms & conditions 7. Email share 8. Be safe : backup your data on your sdcard and on iCloud 9. You can use a barcode to select faster the products 10. Print support 11. Different currency are handled 12. Set discount 13. Manage paiement You can use a performant barcode system (EAN 13, EAN 8, UPC-E and UPC-A) for add an item in your Invoice. You can create up to 5 invoices with the free version. Feel free to contact me if you detect any bug or any idea of improvement. ___ Free version You can create up to 5 invoices for Free. Premium version You can upgrade in-app to create an unlimited number of invoices and estimates with a monthly or annual subscription. Premium subscriptions: Premium (Monthly subscription) : $1.99 USD / Month Premium (Annual subscription) : $19.99 USD / Year Payment will be charged to your iTunes Account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. No cancellation of the current subscription is allowed during active subscription period. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication. Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. Terms of Service : https://invoice.pro/terms Privacy Policy : https://invoice.pro/privacy

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

Invoice Pro.4 screens
Invoice Maker by SPK4 screens

Verdict

The call

The clearest difference is update cadence: Invoice Maker by SPK at weekly against Invoice Pro.'s fortnightly. Invoice Pro.'s advantage is iOS requirement (10.0 vs 13.0). On price, rating, review sentiment and ratings volume 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 Pro. sells 2 in-app purchases, starting at $1.99 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 Invoice Pro. against 4.8 for Invoice Maker by SPK. Both are backed by a comparable volume of ratings — 712 and 906 respectively. Written reviews are what separate them: 77% of Invoice Pro.'s written reviews are positive against 73% of Invoice Maker by SPK's.

UpkeepUpdate frequency

Invoice Pro. ships an update fortnightly, Invoice Maker by SPK weekly. The most recent releases landed on October 19, 2026 and October 18, 2026 respectively.

Scorecard2 real differences · 8 level
Invoice Pro. versus Invoice Maker by SPK: the parameters behind the verdict, then further details
ParameterInvoice Pro.Invoice Maker by SPK
PriceFreeFree
Rating4.7 (712 ratings)4.8 (906 ratings) — better
Positive reviews77.2% of reviews — better73.3% of reviews
Number of ratings712906 — better
Update frequencyFortnightlyWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS10.0 — better13.0
Further details — not scored
Size27 MB30 MB
Age rating4+4+
DeveloperInvoice ProSPK Studios LLC

Customer experience

Invoice Pro.

All ratings712 ratings
Positive93.1%
Neutral2.8%
Negative4.1%
Written reviews57 reviews
Positive77.2%
Neutral1.8%
Negative21.1%

Invoice Maker by SPK

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

User reviews

Invoice Pro.

From 712 App Store ratings

What we love

  • 👍 Easy to use and intuitive interface
  • 🚀 Fast invoice creation and sending
  • 📱 Works offline without internet connection
  • 💰 Affordable or free compared to competitors
  • 📧 Quick email sending functionality

Room to improve

  • 🐛 Email sending frequently stops working
  • 🐛 Application crashes when performing certain actions
  • ❌ Poor customer support and unresponsive team
  • 🔄 Synchronization issues between devices
  • 💾 Data loss when reinstalling on different devices

Invoice Maker by SPK

From 906 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

Invoice Pro.

Reported bugs

10 issues
  • Email sending stops without explanation
  • Application crashes when adding or moving invoice lines
  • Export backup functionality causes app to crash
  • Lines duplicate when using arrow navigation
  • Subscription payment not recognized by app
Show 5 more
  • Invoice sending via WhatsApp no longer works
  • Cannot send more than 5 invoices despite paid subscription
  • Tax configuration not working properly
  • Server errors preventing invoice sending
  • Full version not functioning after purchase

Requested features

14 requests
  • Multiple tax rate configuration and differentiation
  • Cloud storage and automatic backup
  • Terms and conditions section in invoices
  • Client signature and approval lines
  • Payment method tracking and references
Show 9 more
  • Client statement and breakdown reports
  • Product photos and barcode/UPC codes
  • Deposit/advance payment line items
  • Estimate and quote list management
  • Inventory tracking and cost of goods sold
  • Live chat or online help documentation
  • Payment form references and statements
  • Ledger functionality
  • WhatsApp invoice sharing

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

Invoice Pro.

Subscriptions2
  • Monthly Subscription$1.991 Month
  • Annual Subscription$19.991 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 Invoice Pro. free?
Invoice Pro. 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, Invoice Pro. or Invoice Maker by SPK?
Invoice Maker by SPK is rated higher. Invoice Pro. averages 4.7 out of 5 from 712 ratings, while Invoice Maker by SPK averages 4.8 from 906 ratings.
Do Invoice Pro. or Invoice Maker by SPK have ads?
Neither Invoice Pro. nor Invoice Maker by SPK shows ads.
Which is updated more often, Invoice Pro. or Invoice Maker by SPK?
Invoice Pro. ships an update fortnightly, and Invoice Maker by SPK weekly. Most recently, Invoice Pro. was updated on October 19, 2026 and Invoice Maker by SPK on October 18, 2026.

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