Comparison

Invoice Maker・Billing App 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 Maker・Billing App

Create and share professional invoices and estimates quickly from any device. Save time on paperwork, stay organized, and get paid faster with customizable branding and payment options. Focus on your business while this app handles your billing.

Highlights
  • Create invoices and estimates quickly
  • Convert estimates to invoices
  • Save product/service details
  • Calculate taxes and discounts
  • Add payment methods
  • Customizable branding
  • Add signatures and photos
Features
Currently charting
Read full description

Over 5,500 users rated 5* for helping them create and share invoices in just a few seconds, on the go, from any device. Your time is too precious to spend on mundane paperwork. Let us handle that while you focus on what’s really important. FIVE REASONS TO GET STARTED NOW: 1. SAVE TIME Creating a professional invoice or estimate takes you just a few seconds and a couple of taps, as you save all details of your product or service —description, price and more. Convert estimates to invoices with one tap. 2. STAY ORGANIZED Never put off sending an invoice or estimate to your customer - you can easily create and share it before you leave the sight. Enter all the details you need, including tax or discounts - the app will do the math for you. Check simple and convenient reports in one glance to follow up on clients’ payments. 3. GET PAID FASTER Make it easy to get paid. Include your preferred payment methods description directly in your invoice - PayPal, bank account or cash - and enjoy getting paid in time. 4. LOOK PROFESSIONAL Impress your clients with crisp design and customized branding of your documents. Add signature, photos and notes to your invoices and quotes. INFO ABOUT USING THE APP AND REGARDING THE SUBSCRIPTION TERMS OF USE AND SUBSCRIPTION DETAILS You can create 1 free document, either invoice or estimate. After that, you can subscribe to the in-app to continue creating an unlimited number of invoices and estimates with a monthly subscription. You can cancel your subscription at any moment in your iTunes account settings, but refunds will not be provided for any unused portion of the terms. Payment will be charged to your iTunes Account at purchase confirmation. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. ------------ For support, email us support@saldoapps.com Terms of use: https://saldoapps.com/saldo-apps-terms-of-use Privacy policy: https://saldoapps.com/saldo-apps-privacy-policy by S/A Saldo Apps

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 Maker・Billing App4 screens
Invoice Maker by SPK4 screens

Verdict

The call

Invoice Maker・Billing App and Invoice Maker by SPK both sit at 4.8 stars, but that hides the real split: 73% of Invoice Maker by SPK's written reviews are positive against 56% of Invoice Maker・Billing App's. Invoice Maker by SPK also leads on update cadence (weekly vs every 2 weeks) and iOS requirement (13.0 vs 15.0). Invoice Maker・Billing App's advantage is chart position (#96 vs unranked) and ratings volume (7.2K vs 906). 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・Billing App sells 12 in-app purchases, starting at $7.99 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 — 4.8 for Invoice Maker・Billing App against 4.8 for Invoice Maker by SPK. That said, the two scores are not equally well evidenced: Invoice Maker・Billing App has 7.2K ratings behind it against 906, so its average is the more settled of the two. Written reviews are what separate them: 56% of Invoice Maker・Billing App's written reviews are positive against 73% of Invoice Maker by SPK's.

UpkeepUpdate frequency

Invoice Maker・Billing App ships an update every 2 weeks, Invoice Maker by SPK weekly. The most recent releases landed on September 24, 2026 and September 22, 2026 respectively.

Scorecard5 real differences · 6 level
Invoice Maker・Billing App versus Invoice Maker by SPK: the parameters behind the verdict, then further details
ParameterInvoice Maker・Billing AppInvoice Maker by SPK
PriceFreeFree
Rating4.8 (7.2K ratings)4.8 (906 ratings)
Positive reviews56.1% of reviews73.3% of reviews — better
Number of ratings7.2K — better906
Update frequencyEvery 2 weeksWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank#96 — better—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size301 MB30 MB
Age rating4+4+
DeveloperSaldo Apps Inc.SPK Studios LLC

Customer experience

Invoice Maker・Billing App

All ratings7,249 ratings
Positive93.9%
Neutral2.0%
Negative4.1%
Written reviews171 reviews
Positive56.1%
Neutral4.7%
Negative39.2%

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 Maker・Billing App

From 7.2K App Store ratings

What we love

  • 👍 User-friendly layout
  • 🚀 Fast and efficient
  • 📝 Professional-looking invoices
  • 💰 Convenient payment options
  • 📊 Helpful reporting and tracking features

Room to improve

  • 🐛 Occasional crashes and glitches
  • 🔄 Issues with syncing and data loss
  • 💰 Subscription model concerns
  • 🕰️ Slow response times
  • 🔒 Security and login problems

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 Maker・Billing App

Reported bugs

5 issues
  • Invoices not sending properly
  • Subscription issues and unexpected charges
  • Data loss after app updates or device changes
  • Compatibility problems with newer iOS versions
  • Invoices showing as drafts unexpectedly

Requested features

5 requests
  • Add late fee feature
  • Improve invoice customization options
  • Integrate with inventory management systems
  • Provide better customer support channels
  • Offer a one-time purchase option

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

12 purchases

Invoice Maker・Billing App

Subscriptions12
  • Monthly Premium Subscription$7.991 Month
  • Weekly Premium Subscription$7.997 Days
  • Weekly Premium Subscription3 Days trial$7.997 Days
Show 9 more
  • Saldo Apps Premium3 Days trial$9.997 Days
  • Saldo Apps Premium3 Days trial$11.997 Days
  • Saldo Apps Premium3 Days trial$14.991 Month
  • Invoice Maker PRO Monthly3 Days trial2 variants$14.991 Month
  • Invoice Maker PRO Monthly2 variants$14.991 Month
  • Monthly subscription$14.991 Month
  • Monthly Premium Subscription$15.991 Month
  • Annual Premium Subscription$49.991 Year
  • Saldo Apps Premium Yearly3 Days trial$99.991 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 Maker・Billing App free?
Invoice Maker・Billing App 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 Maker・Billing App or Invoice Maker by SPK?
Invoice Maker・Billing App and Invoice Maker by SPK are both rated 4.8 out of 5 on the App Store, from 7.2K and 906 ratings respectively.
Do Invoice Maker・Billing App or Invoice Maker by SPK have ads?
Neither Invoice Maker・Billing App nor Invoice Maker by SPK shows ads.
Which is updated more often, Invoice Maker・Billing App or Invoice Maker by SPK?
Invoice Maker・Billing App ships an update every 2 weeks, and Invoice Maker by SPK weekly. Most recently, Invoice Maker・Billing App was updated on September 24, 2026 and Invoice Maker by SPK on September 22, 2026.

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