# Nauto Installer vs T5S Viewer

The clearest difference is update cadence: Nauto Installer at every 2 months against T5S Viewer's every 55 months. T5S Viewer's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 18.0). On price, ads and in-app purchases there is nothing between them.

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

Nauto Installer ships an update every 2 months, T5S Viewer every 55 months. The most recent releases landed on September 20, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Nauto Installer | T5S Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/nauto-installer/id1245178063/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 55 months |
| Monetization | Free | — |
| Size | 42 MB | 16 MB |
| Requires iOS | 18.0 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Nauto, Inc.](https://appshunter.io/developer/1245178062) | [SMART VALUE](https://appshunter.io/developer/557447212) |

## What reviewers say

### Nauto Installer

[App page](https://appshunter.io/ios/app/nauto-installer/id1245178063)

This app guides users through installing and managing vehicle devices. It ensures correct placement, documentation, and activation, streamlining the process for various installation scenarios. The application also handles device registration and data management with backend systems.

**Highlights:** Guided installation workflow, Device placement verification, Photo documentation, Device activation, Installation scenario support, Device registration, Snapshot management

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

**In-app purchases:** none


### T5S Viewer

[App page](https://appshunter.io/ios/app/t5s-viewer/id1559487251)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Nauto Installer free?

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

### Is T5S Viewer free?

T5S Viewer is free to download, with no in-app purchases.

### Do Nauto Installer or T5S Viewer have ads?

Neither Nauto Installer nor T5S Viewer shows ads.

### Which is updated more often, Nauto Installer or T5S Viewer?

Nauto Installer ships an update every 2 months, and T5S Viewer every 55 months. Most recently, Nauto Installer was updated on September 20, 2026 and T5S Viewer on September 8, 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.*