# PaySmart Virtual SUT vs OPTIBRIDGE 3880 Setup

The clearest difference is update cadence: PaySmart Virtual SUT at every 6 weeks against OPTIBRIDGE 3880 Setup's every 6 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PaySmart Virtual SUT ships an update every 6 weeks, OPTIBRIDGE 3880 Setup every 6 months. The most recent releases landed on October 22, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | PaySmart Virtual SUT | OPTIBRIDGE 3880 Setup |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/paysmart-virtual-sut/id1223558795/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 6 months |
| Monetization | Free | — |
| Size | 17 MB | 43 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Softek Inc.](https://appshunter.io/developer/1223558794) | [KROHNE Messtechnik GmbH](https://appshunter.io/developer/1445655816) |

## What reviewers say

### PaySmart Virtual SUT

[App page](https://appshunter.io/ios/app/paysmart-virtual-sut/id1223558795)

This app enables businesses without an IVU-ready POS to register sales and submit tax information to the Puerto Rico Treasury Department. It allows for sale and refund transactions, automatic tax calculation with manual override, and receipt printing or digital delivery.

**Highlights:** Register sale and refund transactions, Automatic tax calculation, Manual tax override, Printable IVU receipts, Email/text IVU receipts

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

**In-app purchases:** none


### OPTIBRIDGE 3880 Setup

[App page](https://appshunter.io/ios/app/optibridge-3880-setup/id1518234465)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PaySmart Virtual SUT free?

PaySmart Virtual SUT is free to download, with no in-app purchases.

### Is OPTIBRIDGE 3880 Setup free?

OPTIBRIDGE 3880 Setup is free to download, with no in-app purchases.

### Do PaySmart Virtual SUT or OPTIBRIDGE 3880 Setup have ads?

Neither PaySmart Virtual SUT nor OPTIBRIDGE 3880 Setup shows ads.

### Which is updated more often, PaySmart Virtual SUT or OPTIBRIDGE 3880 Setup?

PaySmart Virtual SUT ships an update every 6 weeks, and OPTIBRIDGE 3880 Setup every 6 months. Most recently, PaySmart Virtual SUT was updated on October 22, 2026 and OPTIBRIDGE 3880 Setup on October 25, 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.*