# IS Collector vs Viena

The clearest difference is update cadence: Viena at weekly against IS Collector's every 3 months. IS Collector's advantage is iOS requirement (12.0 vs 15.5). 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.

IS Collector ships an update every 3 months, Viena weekly. The most recent releases landed on November 3, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | IS Collector | Viena |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/is-collector/id1510235047/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Free | — |
| Size | 31 MB | 87 MB |
| Requires iOS | **12.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Luiz Felipe Prestes Teixeira](https://appshunter.io/developer/659546554) | [Shud Soluções Tecnológicas Ltda](https://appshunter.io/developer/1879329721) |

## What reviewers say

### IS Collector

[App page](https://appshunter.io/ios/app/is-collector/id1510235047)

This app helps you perform barcode and QR code counts, sectorized inventories, and product checks against invoices. It integrates with a web manager for data export and progress tracking, offering a cost-effective alternative to expensive data collectors.

**Highlights:** Barcode/QR code counting, Sectorized inventory management, Invoice product verification, Web manager integration, Online and offline counting, Multiple device support, Customizable data export

**Features:** macOS Compatibility

**In-app purchases:** none


### Viena

[App page](https://appshunter.io/ios/app/viena/id6764159348)

**In-app purchases:** none


## Frequently asked questions

### Is IS Collector free?

IS Collector is free to download, with no in-app purchases.

### Is Viena free?

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

### Do IS Collector or Viena have ads?

Neither IS Collector nor Viena shows ads.

### Which is updated more often, IS Collector or Viena?

IS Collector ships an update every 3 months, and Viena weekly. Most recently, IS Collector was updated on November 3, 2026 and Viena on November 9, 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.*