# DOT Chart 17 vs NIVOMAX Viewer

The clearest difference is rating: DOT Chart 17 at 2.3 against NIVOMAX Viewer's 1.0. DOT Chart 17 also leads on device support (3 vs 1) and ratings volume (3 vs 1). NIVOMAX Viewer's advantage is update cadence (every 2 weeks vs every 10 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

DOT Chart 17 holds the better App Store score, 2.3 against 1.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

DOT Chart 17 ships an update every 10 months, NIVOMAX Viewer every 2 weeks. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | DOT Chart 17 | NIVOMAX Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (3 ratings)](https://appshunter.io/ios/app/dot-chart-17/id1245251292/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/nivomax-viewer-smartpubs/id6742413235/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 20 MB | 22 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Pipeline and Hazardous Materials Safety Administration](https://appshunter.io/developer/954888820) | [Bombardier Aerospace](https://appshunter.io/developer/426503271) |

## What reviewers say

### DOT Chart 17

[App page](https://appshunter.io/ios/app/dot-chart-17/id1245251292)

Access a full-color display of hazardous materials markings, labels, and placards. This app provides quick visual information and regulatory citations for shippers and carriers. It serves as a general guidance tool for hazardous materials regulations.

**Highlights:** Full-color display of markings, labels, and placards, Access to Hazardous Materials Regulations (HMR) citations, Quick visual information for shippers and carriers, Mobile access to DOT Chart-17, Guidance on 49 CFR Parts 171-180

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

**In-app purchases:** none


### NIVOMAX Viewer

[App page](https://appshunter.io/ios/app/nivomax-viewer-smartpubs/id6742413235)

Access technical publications and aviation libraries like SmartFix Plus and Maintenance directly on your iPad. This app offers interactive tools, seamless online and offline access, and a user-friendly interface for aviation operations.

**Highlights:** Download and access SmartPubs entitlements, Access SmartFix Plus, Maintenance, and Flight libraries, Advanced interactive tools, Seamless online and offline access, User-friendly interface

**In-app purchases:** none


## Frequently asked questions

### Is DOT Chart 17 free?

DOT Chart 17 is free to download, with no in-app purchases.

### Is NIVOMAX Viewer free?

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

### Which has better reviews, DOT Chart 17 or NIVOMAX Viewer?

DOT Chart 17 is rated higher. DOT Chart 17 averages 2.3 out of 5 from 3 ratings, while NIVOMAX Viewer averages 1.0 from 1 ratings.

### Do DOT Chart 17 or NIVOMAX Viewer have ads?

Neither DOT Chart 17 nor NIVOMAX Viewer shows ads.

### Which is updated more often, DOT Chart 17 or NIVOMAX Viewer?

DOT Chart 17 ships an update every 10 months, and NIVOMAX Viewer every 2 weeks. Most recently, DOT Chart 17 was updated on October 24, 2026 and NIVOMAX Viewer on October 29, 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.*