# Stack Invoice vs Inventrakr

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.

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.

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.

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.

## The numbers

| Metric | Stack Invoice | Inventrakr |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/stack-invoice/id6755344078/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/inventrakr/id6792380484/reviews) |
| Number of ratings | 1 | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 9 days |
| Monetization | **Free** | Freemium |
| Size | 82 MB | 9 MB |
| Requires iOS | **16.0** | 26.5 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [GrayCrest Technologies Limited](https://appshunter.io/developer/1833810707) | [Joseph Blincoe](https://appshunter.io/developer/6792380486) |

## What reviewers say

### Stack Invoice

[App page](https://appshunter.io/ios/app/stack-invoice/id6755344078)

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:** macOS Compatibility

**In-app purchases:** none


### Inventrakr

[App page](https://appshunter.io/ios/app/inventrakr/id6792380484)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO | $9.99 | per month |
| Business | $24.99 | per month |


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