# DOT Chart 17 vs FAST

The clearest difference is rating: FAST at 4.3 against DOT Chart 17's 2.3. On price, review sentiment, ratings volume and update cadence there is nothing between them.

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

FAST holds the better App Store score, 4.3 against 2.3. Both are backed by a comparable volume of ratings — 3 and 3 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

DOT Chart 17 ships an update every 10 months, FAST every 7 months. The most recent releases landed on October 10, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | DOT Chart 17 | FAST |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (3 ratings)](https://appshunter.io/ios/app/dot-chart-17/id1245251292/reviews) | **[4.3 (3 ratings)](https://appshunter.io/ios/app/fast-act/id1446010360/reviews)** |
| Number of ratings | 3 | 3 |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 7 months** |
| Monetization | Free | Free |
| Size | 20 MB | 22 MB |
| Requires iOS | **11.0** | 12.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pipeline and Hazardous Materials Safety Administration](https://appshunter.io/developer/954888820) | [Timilon Technology Acquisitions LLC](https://appshunter.io/developer/1446010359) |

## 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


### FAST

[App page](https://appshunter.io/ios/app/fast-act/id1446010360)

This app serves as a guide for HAZMAT professionals on how a specific decontamination agent interacts with and neutralizes various chemicals. It features a comprehensive chemical threat index, detailing efficacy on vapor releases and contaminated surfaces, with search and sort functionalities.

**Highlights:** Extensive chemical threat index, FAST-ACT efficacy details, Vapor release decontamination, Contaminated surface decontamination, Search by Chemical Name, Sort by CAS Number

**Features:** macOS Compatibility

**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 FAST free?

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

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

FAST is rated higher. DOT Chart 17 averages 2.3 out of 5 from 3 ratings, while FAST averages 4.3 from 3 ratings.

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

Neither DOT Chart 17 nor FAST shows ads.

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

DOT Chart 17 ships an update every 10 months, and FAST every 7 months. Most recently, DOT Chart 17 was updated on October 10, 2026 and FAST on September 17, 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.*