# DOT Chart 17 vs Buxus

The clearest difference is rating: Buxus at 3.7 against DOT Chart 17's 2.3. Buxus also leads on update cadence (every 6 weeks vs every 10 months) and review sentiment (20% vs 0%). DOT Chart 17's advantage is iOS requirement (11.0 vs 15.0). 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.

Buxus holds the better App Store score, 3.7 against 2.3. That said, the two scores are not equally well evidenced: Buxus has 19 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 0% of DOT Chart 17's written reviews are positive against 20% of Buxus's.

DOT Chart 17 ships an update every 10 months, Buxus every 6 weeks. The most recent releases landed on October 10, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | DOT Chart 17 | Buxus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (3 ratings)](https://appshunter.io/ios/app/dot-chart-17/id1245251292/reviews) | **[3.7 (19 ratings)](https://appshunter.io/ios/app/buxus/id1561655680/reviews)** |
| Number of ratings | 3 | **19** |
| Positive reviews | 0.0% of reviews | **20.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 20 MB | 530 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Pipeline and Hazardous Materials Safety Administration](https://appshunter.io/developer/954888820) | [Sander Resources, L.L.C.](https://appshunter.io/developer/1537002754) |

## 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


### Buxus

[App page](https://appshunter.io/ios/app/buxus/id1561655680)

Access critical pipeline operator information, including emergency contacts, products transported, and hazard identification. This app helps emergency responders and the public understand and interact with local pipeline infrastructure.

**Highlights:** Emergency contact information, Products transported details, Hazard identification, Response guidance, Information request from operators, User reporting of critical information

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

**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 Buxus free?

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

### Which has better reviews, DOT Chart 17 or Buxus?

Buxus is rated higher. DOT Chart 17 averages 2.3 out of 5 from 3 ratings, while Buxus averages 3.7 from 19 ratings.

### Do DOT Chart 17 or Buxus have ads?

Neither DOT Chart 17 nor Buxus shows ads.

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

DOT Chart 17 ships an update every 10 months, and Buxus every 6 weeks. Most recently, DOT Chart 17 was updated on October 10, 2026 and Buxus on September 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.*