# Viscosity Conversion vs Smart Barcodes

The clearest difference is price: Smart Barcodes at Free against Viscosity Conversion's $2.99. Smart Barcodes also leads on update cadence (weekly vs every 30 months) and iOS requirement (10.3 vs 13). On ads, in-app purchases and device support there is nothing between them.

Smart Barcodes is free to download; Viscosity Conversion costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Viscosity Conversion ships an update every 30 months, Smart Barcodes weekly. The most recent releases landed on September 23, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Viscosity Conversion | Smart Barcodes |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/smart-barcodes/id1302979989/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 30 months | **Weekly** |
| Monetization | — | Free |
| Size | 1 MB | 18 MB |
| Requires iOS | 13 | **10.3** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nitrio](https://appshunter.io/developer/321121189) | [GetSmart Software](https://appshunter.io/developer/564563189) |

## What reviewers say

### Viscosity Conversion

[App page](https://appshunter.io/ios/app/viscosity-conversion/id630288155)

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

**In-app purchases:** none


### Smart Barcodes

[App page](https://appshunter.io/ios/app/smart-barcodes/id1302979989)

This utility app scans various 1D and 2D barcodes, displaying the encoded information. It intelligently recognizes URLs, phone numbers, addresses, and tracking numbers, offering direct actions like opening links or initiating calls. Scanned data is saved for later reference and can be named for easy organization.

**Highlights:** Reads 1D and 2D barcodes, Displays encoded text, Detects URLs, phone numbers, addresses, tracking numbers, Direct actions for detected data (call, map, track), Saves scanned information, Allows naming saved scans

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Viscosity Conversion free?

Viscosity Conversion costs $2.99, with no in-app purchases.

### Is Smart Barcodes free?

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

### Do Viscosity Conversion or Smart Barcodes have ads?

Neither Viscosity Conversion nor Smart Barcodes shows ads.

### Which is updated more often, Viscosity Conversion or Smart Barcodes?

Viscosity Conversion ships an update every 30 months, and Smart Barcodes weekly. Most recently, Viscosity Conversion was updated on September 23, 2026 and Smart Barcodes on September 14, 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.*