# GoodReader PDF Editor & Viewer vs ATA Technician Assistant

The clearest difference is price: ATA Technician Assistant at Free against GoodReader PDF Editor & Viewer's $6.99. ATA Technician Assistant also leads on update cadence (daily vs weekly) and rating (5.0 vs 4.7). GoodReader PDF Editor & Viewer's advantage is ratings volume (14K vs 1) and chart position (#22 vs unranked). On ads, in-app purchases, monetization model and device support there is nothing between them.

ATA Technician Assistant is free to download; GoodReader PDF Editor & Viewer costs $6.99 up front. GoodReader PDF Editor & Viewer sells 4 in-app purchases, starting at $3.99 per month and ATA Technician Assistant sells 6 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

ATA Technician Assistant holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: GoodReader PDF Editor & Viewer has 14K ratings behind it against 1, so its average is the more settled of the two.

GoodReader PDF Editor & Viewer ships an update weekly, ATA Technician Assistant daily. The most recent releases landed on October 24, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | GoodReader PDF Editor & Viewer | ATA Technician Assistant |
| --- | --- | --- |
| Price | $6.99 | **Free** |
| Rating | [4.7 (14K ratings)](https://appshunter.io/ios/app/goodreader-pdf-editor-and-viewer/id777310222/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ata-technician-assistant/id6773115616/reviews)** |
| Number of ratings | **14K** | 1 |
| Positive reviews | 68.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Daily** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#22** | — |
| Size | 53 MB | 50 MB |
| Requires iOS | 17.6 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Good.iWare, Inc.](https://appshunter.io/developer/289191291) | [Fritz Valdeus](https://appshunter.io/developer/6773115618) |

## What reviewers say

### GoodReader PDF Editor & Viewer

[App page](https://appshunter.io/ios/app/goodreader-pdf-editor-and-viewer/id777310222)

**Currently charting:** #22 Top Paid · Productivity (US App Store)

This app offers robust PDF editing and viewing capabilities, alongside comprehensive file management tools. It allows users to annotate PDFs, manage files from various cloud services, and secure sensitive data with advanced encryption. Enjoy a superior reading experience with features like PDF Reflow and split-screen viewing.

**Highlights:** PDF annotation and editing, Extensive file format support, Cloud service integration (Dropbox, Google Drive, etc.), AES-256 military-grade encryption, Split-screen viewing for iPad, File management and organization

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Pack (monthly) | $3.99 | per month |
| Pro Pack (annual) | $24.99 | per year |
| Auto Sync | $59.99 | one-time |
| Pro Pack | $89.99 | one-time |

**What reviewers like**

- 🚀 Excellent for reading and annotating PDFs
- 📚 Powerful file management and organization
- 💻 Seamless integration with cloud storage
- 🎨 Customizable reading experience
- ⚙️ Robust set of features and capabilities

**What reviewers complain about**

- 🔒 Subscription model for some features
- 🔀 Cluttered interface after recent update
- 🐛 Occasional crashes and stability issues
- 📁 Difficulty migrating files from older versions
- 🖌️ Lacking palm rejection and customizable Apple Pencil controls

**Reported bugs**

- Syncing issues with cloud storage providers
- Compatibility problems with newer iOS versions
- Inconsistent behavior when switching between apps

**Requested features**

- Continuous scrolling for better reading experience
- Improved search functionality with advanced filters
- Ability to set custom color schemes and themes
- Enhanced support for ebook formats like EPUB
- Streamlined annotation tools and workflow


### ATA Technician Assistant

[App page](https://appshunter.io/ios/app/ata-technician-assistant/id6773115616)

This app provides electricians with a comprehensive set of tools and resources for job site efficiency. It includes code lookups, calculations, troubleshooting guides, and estimation features. Designed by an electrician for electricians, it aims to streamline workflows and improve accuracy.

**Highlights:** NEC code lookup and explanations, Electrical calculations (Ohm's Law, voltage drop), Professional bid generation, Lighting controls troubleshooting, Lockout/Tagout (LOTO) safety alerts, Nameplate scanner for installation instructions, Inspection checklists

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic | $9.99 | per month |
| Pro | $24.99 | per month |
| Enterprise | $149.99 | per month |
| 30 Coaching Minutes | $49.99 | one-time |
| 60 Coaching Minutes | $89.99 | one-time |
| 120 Coaching Minutes | $159.99 | one-time |


## Frequently asked questions

### Is GoodReader PDF Editor & Viewer free?

GoodReader PDF Editor & Viewer costs $6.99, and also offers in-app purchases.

### Is ATA Technician Assistant free?

ATA Technician Assistant is free to download, with in-app purchases available.

### Which has better reviews, GoodReader PDF Editor & Viewer or ATA Technician Assistant?

ATA Technician Assistant is rated higher. GoodReader PDF Editor & Viewer averages 4.7 out of 5 from 14K ratings, while ATA Technician Assistant averages 5.0 from 1 ratings.

### Do GoodReader PDF Editor & Viewer or ATA Technician Assistant have ads?

Neither GoodReader PDF Editor & Viewer nor ATA Technician Assistant shows ads.

### Which is updated more often, GoodReader PDF Editor & Viewer or ATA Technician Assistant?

GoodReader PDF Editor & Viewer ships an update weekly, and ATA Technician Assistant daily. Most recently, GoodReader PDF Editor & Viewer was updated on October 24, 2026 and ATA Technician Assistant on October 1, 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.*