# VIEWAR Scanner vs Logarithm Calculator SDG

The clearest difference is ads: VIEWAR Scanner at none against Logarithm Calculator SDG's shown. VIEWAR Scanner also leads on update cadence (every 3 months vs every 12 months). Logarithm Calculator SDG's advantage is iOS requirement (11.0 vs 14.4). On price, 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.

VIEWAR Scanner ships an update every 3 months, Logarithm Calculator SDG every 12 months. The most recent releases landed on October 6, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | VIEWAR Scanner | Logarithm Calculator SDG |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/logarithm-calculator-sdg/id6741317024/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 months** | Every 12 months |
| Monetization | — | Ad-supported |
| Size | 111 MB | 12 MB |
| Requires iOS | 14.4 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ViewAR GmbH](https://appshunter.io/developer/422609334) | [SDG CODE DOO NIS](https://appshunter.io/developer/1343251532) |

## What reviewers say

### VIEWAR Scanner

[App page](https://appshunter.io/ios/app/viewar-scanner/id1641078285)

**In-app purchases:** none


### Logarithm Calculator SDG

[App page](https://appshunter.io/ios/app/logarithm-calculator-sdg/id6741317024)

Easily calculate logarithms for any number with various bases, including e, 2, and 10. This tool simplifies complex mathematical operations for quick and accurate results.

**Highlights:** Calculate logarithms, Supports base e, Supports base 2, Supports base 10, Custom base support, Easy to use interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is VIEWAR Scanner free?

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

### Is Logarithm Calculator SDG free?

Logarithm Calculator SDG is free to download, with no in-app purchases.

### Do VIEWAR Scanner or Logarithm Calculator SDG have ads?

Logarithm Calculator SDG shows ads; VIEWAR Scanner does not.

### Which is updated more often, VIEWAR Scanner or Logarithm Calculator SDG?

VIEWAR Scanner ships an update every 3 months, and Logarithm Calculator SDG every 12 months. Most recently, VIEWAR Scanner was updated on October 6, 2026 and Logarithm Calculator SDG on October 10, 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.*