# Invoice Assistant App vs Nix Invoice

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.

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.

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.

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.

## The numbers

| Metric | Invoice Assistant App | Nix Invoice |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (1 ratings)](https://appshunter.io/ios/app/invoice-assistant-app/id871199368/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/nix-invoice/id6670433740/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 38 MB | 52 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Snappii](https://appshunter.io/developer/587096976) | [Hussein Abduljabbar](https://appshunter.io/developer/1766256973) |

## What reviewers say

### Invoice Assistant App

[App page](https://appshunter.io/ios/app/invoice-assistant-app/id871199368)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $4.99 | per month |
| Annual subscription | $49.99 | per year |
| Ad Removal | $0.99 | one-time |


### Nix Invoice

[App page](https://appshunter.io/ios/app/nix-invoice/id6670433740)

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:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked 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.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*