# Invoice Center Pro vs Quantara ADMIN

The clearest difference is in-app purchases: Quantara ADMIN at none against Invoice Center Pro's 3. Invoice Center Pro's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Invoice Center Pro sells 3 in-app purchases, starting at $12.99 per month. Quantara ADMIN asks for nothing beyond the download.

Invoice Center Pro ships an update every 3 weeks, Quantara ADMIN every 2 months. The most recent releases landed on October 7, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Invoice Center Pro | Quantara ADMIN |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (93 ratings)](https://appshunter.io/ios/app/invoice-center-pro/id878327332/reviews)** | — |
| Number of ratings | **93** | — |
| Positive reviews | 55.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Subscription | — |
| Size | 43 MB | 78 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | +4 | 4+ |
| Developer | [Starkode Limited Company](https://appshunter.io/developer/874698946) | [QUANTARA SOFTWARE](https://appshunter.io/developer/1129701452) |

## What reviewers say

### Invoice Center Pro

[App page](https://appshunter.io/ios/app/invoice-center-pro/id878327332)

Easily create and send invoices and estimates for products or services. Get paid faster with on-the-spot billing, customizable templates, and secure payment collection. Manage contracts and track inventory with a built-in barcode scanner.

**Highlights:** Create invoices and estimates, Collect payments and taxes, Email and print PDF invoices, Barcode scanner for billing, Manage contracts and templates, Offline mode, Customizable reports

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Invoices | $12.99 | per month |
| Premium Suite | $24.99 | per month |
| Premium Suite Annual | $99.99 | per year |


### Quantara ADMIN

[App page](https://appshunter.io/ios/app/quantara-admin/id1464011124)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Invoice Center Pro free?

Invoice Center Pro is free to download, with in-app purchases available.

### Is Quantara ADMIN free?

Quantara ADMIN is free to download, with no in-app purchases.

### Do Invoice Center Pro or Quantara ADMIN have ads?

Neither Invoice Center Pro nor Quantara ADMIN shows ads.

### Which is updated more often, Invoice Center Pro or Quantara ADMIN?

Invoice Center Pro ships an update every 3 weeks, and Quantara ADMIN every 2 months. Most recently, Invoice Center Pro was updated on October 7, 2026 and Quantara ADMIN on October 2, 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.*