# VIEWAR vs Alertro SMART ENS

The clearest difference is update cadence: Alertro SMART ENS at weekly against VIEWAR's monthly. VIEWAR's advantage is iOS requirement (13.4 vs 15.0). 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.

VIEWAR ships an update monthly, Alertro SMART ENS weekly. The most recent releases landed on June 1, 2026 and September 5, 2026 respectively.

## The numbers

| Metric | VIEWAR | Alertro SMART ENS |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | Free | — |
| Size | 191 MB | 140 MB |
| Requires iOS | **13.4** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ViewAR GmbH](https://appshunter.io/developer/422609334) | [Alertro LTD](https://appshunter.io/developer/1773107369) |

## What reviewers say

### VIEWAR

[App page](https://appshunter.io/ios/app/viewar/id1097511807)

Access augmented reality experiences and custom content created with a powerful AR system. Supports multiple advanced tracking technologies for immersive applications.

**Highlights:** Access ViewAR apps, Use custom AR experiences, ARKit support, Infsoft tracking, NavVis tracking, Placenote tracking, VisionLib tracking

**In-app purchases:** none


### Alertro SMART ENS

[App page](https://appshunter.io/ios/app/alertro-smart-ens/id6739887825)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is VIEWAR free?

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

### Is Alertro SMART ENS free?

Alertro SMART ENS is free to download, with no in-app purchases.

### Do VIEWAR or Alertro SMART ENS have ads?

Neither VIEWAR nor Alertro SMART ENS shows ads.

### Which is updated more often, VIEWAR or Alertro SMART ENS?

VIEWAR ships an update monthly, and Alertro SMART ENS weekly. Most recently, VIEWAR was updated on June 1, 2026 and Alertro SMART ENS on September 5, 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.*