Comparison

Stack Invoice vs Inventrakr

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

Head to head
About

Stack Invoice

Manage your business inventory and create professional invoices on the go. Track stock levels, add product details, and generate custom invoices quickly. Share them instantly via email or messaging apps to get paid faster.

Highlights
  • Inventory Management
  • Real-Time Stock Tracking
  • Professional Invoice Generation
  • Client Management
  • Fast Sharing Options
  • Offline Support
Features
Read full description

StackInvoice is a powerful yet easy-to-use mobile application designed for freelancers, small businesses, and entrepreneurs who want a fast, reliable, and organized way to manage their inventory and create invoices. Whether you sell physical products or offer services, StackInvoice helps you stay on top of your stock levels, track product details, and issue clean, professional invoices—all from your mobile device. With StackInvoice, you can quickly add products, monitor quantities, and avoid stock-outs with real-time updates. The app simplifies your workflow by giving you a central place to manage everything related to your business activities. When it’s time to bill your clients, you can generate beautiful invoices, customize them, and share them instantly via email, messaging apps, or as downloadable files. StackInvoice is built to save you time, reduce manual work, and help you operate your business more efficiently. It’s perfect for retail shops, online sellers, wholesalers, delivery businesses, freelancers, and anyone who needs a simple tool to manage inventory and get paid faster. Key Features • Inventory Management: Add, edit, and categorize products with images, prices, and stock quantity. • Real-Time Stock Tracking: Automatically update your inventory as items are added or removed. • Professional Invoice Generation: Create clean, branded invoices in minutes. • Client Management: Store and manage customer information for quick invoicing. • Fast Sharing Options: Send invoices directly through email or messaging apps. • Offline Support: Continue working even without an internet connection. • User-Friendly Interface: Simple, modern, and easy to navigate. • Secure Data Storage: Your business data stays safe and protected. Who Is StackInvoice For? • Freelancers • Small and medium-sized businesses • Retailers and wholesalers • Online shop owners • Service providers • Inventory-based businesses Why You’ll Love It StackInvoice helps you run your business smarter by automating repetitive tasks and giving you full visibility into your inventory and invoicing. Spend less time on paperwork and more time growing your business. Start managing your products and creating invoices with ease—download StackInvoice today!

About

Inventrakr

Manage your small business inventory across multiple sales channels. This app offers powerful tracking tools designed for ease of use and affordability, helping you organize stock efficiently whether you operate online or in physical stores.

Highlights
  • Inventory and supply tracking
  • Multi-location sales channel support
  • Online and physical storefront integration
  • Tools designed by small business owners
  • Affordable for small businesses
Features
Read full description

InvenTrakr is your one stop shop for inventory and supply tracking within your small business. whether you sell in one location or many, online or physical storefronts InvenTrakr has a package perfect for your organization. Organization and tracking your inventory throughout your sales channels becomes a breeze with tools designed by small business owners frustrated with massive inventory packages costing in the 300.00/month range, InvenTrakr provides BIG features accessible to small business. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Stack Invoice4 screens
Inventrakr4 screens

Verdict

The call

The clearest difference is in-app purchases: Stack Invoice at none against Inventrakr's 2. Stack Invoice also leads on iOS requirement (16.0 vs 26.5). On price, rating, ratings volume and update cadence 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. Inventrakr sells 2 in-app purchases, starting at $9.99 per month. Stack Invoice asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Stack Invoice against 5.0 for Inventrakr. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

UpkeepUpdate frequency

Stack Invoice ships an update every 5 days, Inventrakr every 9 days. The most recent releases landed on October 24, 2026 and October 12, 2026 respectively.

Scorecard3 real differences · 6 level
Stack Invoice versus Inventrakr: the parameters behind the verdict, then further details
ParameterStack InvoiceInventrakr
PriceFreeFree
Rating5.0 (1 ratings)5.0 (2 ratings)
Number of ratings12 — better
Update frequencyEvery 5 days — betterEvery 9 days
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better26.5
Further details — not scored
Size82 MB9 MB
Age rating4+4+
DeveloperGrayCrest Technologies LimitedJoseph Blincoe

Customer experience

Stack Invoice

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Inventrakr

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Stack Invoice

No in-app purchases

2 purchases

Inventrakr

Subscriptions2
  • PRO$9.991 Month
  • Business$24.991 Month

Questions

Is Stack Invoice free?
Stack Invoice is free to download, with no in-app purchases.
Is Inventrakr free?
Inventrakr is free to download, with in-app purchases available.
Which has better reviews, Stack Invoice or Inventrakr?
Stack Invoice and Inventrakr are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.
Do Stack Invoice or Inventrakr have ads?
Neither Stack Invoice nor Inventrakr shows ads.
Which is updated more often, Stack Invoice or Inventrakr?
Stack Invoice ships an update every 5 days, and Inventrakr every 9 days. Most recently, Stack Invoice was updated on October 24, 2026 and Inventrakr on October 12, 2026.

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