Comparison

Invoice Assistant App vs Nix Invoice

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

Head to head
About

Invoice Assistant App

Create and send professional invoices on the go. Add your logo, calculate totals, and digitally sign documents. Supports PDF and Excel formats, with online/offline capabilities and cloud syncing.

Highlights
  • Create, edit, and email invoices
  • Add company logo
  • Calculate totals and taxes automatically
  • Digitally sign invoices
  • Export in PDF and Excel formats
  • Work online/offline
  • Sync across multiple devices
Features
Read full description

30-day free trial. Business owners and freelancers! Now you can create professional-looking invoices in the office or in the field, so there is no need to get back to the office just to invoice your customers or clients. All you will need to do is to install Invoice Assistant - the simple but intuitive mobile invoice manager will be always at your fingertips. With Invoice Assistant, you will be able to instantly create invoices with or without your company's logo, email them to your clients in PDF or Excel formats, and store completed invoices locally on your iPad to be later retrieved, edited, or shared. Focus on promoting business and no longer worry about billing. Think less about paperwork and more about bringing more clients to your business. Features: • Create, edit, email and print invoices • Add your company's logo • Add products and services • Calculate total prices and costs automatically • Instantly add taxes and shipping costs to your invoices • Digitally sign invoices • Retrieve PDF and Excel invoice reports, print and share them via email, network drives and other sharing options available on your iPad • Keep a database of completed invoices • Work in online/offline mode • Sync as many devices as you want in order to use the same data. If you are not satisfied with our pre-built form solution, you can upload your own PDF form and 100% customize it to meet your specific business needs. Moreover, you can: - upload any PDF form or document from local storage or cloud drives - add your own fields to existing forms including datetime, text, numeric, location, signature, picture, radio, checkbox - fill in your PDF forms - print forms - share forms via email and messages - upload forms to cloud drives - save and view generated reports on your device Benefits: • Send invoices on the go • Speed up payments • Increase profits • Improve data accuracy • Save time and reduce costs • Eliminate paperwork and go green After the free trial, you can get unlimited number of form submissions by subscribing via an optional In-App Purchase. Subscribe from your device and access these services via mobile app.

About

Nix Invoice

Streamline your business operations with tools for professional invoicing, efficient inventory management, and insightful financial reporting. Keep your business data synchronized and secure across devices.

Highlights
  • Customizable invoice generation
  • Automated tax calculation
  • Detailed inventory tracking
  • Expense and profit analysis
  • Real-time data synchronization
  • Secure user authentication
  • Online payment integration
Features
Read full description

Boost Your Business Efficiency Enhance productivity and decision-making with real-time data synchronization. Our platform ensures your business operations are always up-to-date and efficient. Track expenses, profits, and generate insightful reports with ease. Our user-friendly interfaces make financial management simple and effective for all businesses. Invoice Generation: Customize & Automate Your Invoicing: Generate professional invoices with customizable fields such as your company logo and client details. Automatically calculate totals, including taxes, and facilitate seamless payments for a streamlined invoicing process. Part Inventory Management: Efficient Inventory Tracking: Manage your inventory effortlessly with detailed records for items, including part numbers, prices, availability, and descriptions. Add, edit, and maintain your inventory to ensure smooth business operations. Financial Tracking & Reporting: Insightful Expense & Profit Analysis: Monitor your financials with detailed tracking of expenses and profits. Generate and download comprehensive reports in PDF format, with the ability to include supporting images and descriptions for accurate record-keeping. Real-Time Data Synchronization: Accurate & Consistent Data: Ensure that data across your mobile application and web-based dashboard remains synchronized in real-time. Maintain accuracy and consistency across all platforms to keep your business running smoothly. User Authentication & Authorization: Secure & Controlled Access: access controls to protect your data. Restrict access to features based on user roles to ensure secure and appropriate use of the platform. Online Payment Integration: Seamless Payment Processing: Integrate with online payment gateways at admin dashboard to enable smooth and secure payment transactions directly through the platform, making financial transactions simple and efficient.

Screenshots

Invoice Assistant App4 screens
Nix Invoice4 screens

Verdict

The call

The clearest difference is review sentiment: Nix Invoice at 100% against Invoice Assistant App's 0%. Nix Invoice also leads on rating (5.0 vs 3.0) and in-app purchases (none vs 3). Invoice Assistant App's advantage is update cadence (every 2 months vs every 4 months) and iOS requirement (13.0 vs 15.6). On price, ratings volume, ads and device support 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 Assistant App sells 3 in-app purchases, starting at $4.99 per month. Nix Invoice asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Nix Invoice holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews point the same way: 0% of Invoice Assistant App's written reviews are positive against 100% of Nix Invoice's.

UpkeepUpdate frequency

Invoice Assistant App ships an update every 2 months, Nix Invoice every 4 months. The most recent releases landed on October 8, 2026 and October 3, 2026 respectively.

Scorecard6 real differences · 4 level
Invoice Assistant App versus Nix Invoice: the parameters behind the verdict, then further details
ParameterInvoice Assistant AppNix Invoice
PriceFreeFree
Rating3.0 (1 ratings)5.0 (1 ratings) — better
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings11
Update frequencyEvery 2 months — betterEvery 4 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.6
Further details — not scored
Size38 MB52 MB
Age rating4+4+
DeveloperSnappiiHussein Abduljabbar

Customer experience

Invoice Assistant App

All ratings1 ratings
Positive0.0%
Neutral100.0%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral100.0%
Negative0.0%

Nix Invoice

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

Invoice Assistant App

Subscriptions2
  • Monthly subscription1 Month trial$4.991 Month
  • Annual subscription1 Month trial$49.991 Year
One-time1
  • Ad Removal$0.99
None

Nix Invoice

No in-app purchases

Questions

Is Invoice Assistant App free?
Invoice Assistant App is free to download, with in-app purchases available.
Is Nix Invoice free?
Nix Invoice is free to download, with no in-app purchases.
Which has better reviews, Invoice Assistant App or Nix Invoice?
Nix Invoice is rated higher. Invoice Assistant App averages 3.0 out of 5 from 1 ratings, while Nix Invoice averages 5.0 from 1 ratings.
Do Invoice Assistant App or Nix Invoice have ads?
Neither Invoice Assistant App nor Nix Invoice shows ads.
Which is updated more often, Invoice Assistant App or Nix Invoice?
Invoice Assistant App ships an update every 2 months, and Nix Invoice every 4 months. Most recently, Invoice Assistant App was updated on October 8, 2026 and Nix Invoice on October 3, 2026.

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