# PDF Viewer by Nutrient vs ADHD Cricket

The clearest difference is in-app purchases: ADHD Cricket at none against PDF Viewer by Nutrient's 2. ADHD Cricket also leads on rating (5.0 vs 4.6) and review sentiment (100% vs 73%). PDF Viewer by Nutrient's advantage is ads (none vs shown) and ratings volume (9.1K vs 1). On price and device support there is nothing between them.

Both are free to download. PDF Viewer by Nutrient sells 2 in-app purchases, starting at $6.99 per 3 months. ADHD Cricket asks for nothing beyond the download.

ADHD Cricket holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: PDF Viewer by Nutrient has 9.1K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 73% of PDF Viewer by Nutrient's written reviews are positive against 100% of ADHD Cricket's.

PDF Viewer by Nutrient ships an update monthly, ADHD Cricket every 9 days. The most recent releases landed on October 19, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | PDF Viewer by Nutrient | ADHD Cricket |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (9.1K ratings)](https://appshunter.io/ios/app/pdf-viewer-by-nutrient/id1120099014/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/adhd-cricket/id6779070485/reviews)** |
| Number of ratings | **9.1K** | 1 |
| Positive reviews | 73.4% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 9 days** |
| Monetization | Freemium | **Ad-supported** |
| Size | 112 MB | 27 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | **iPhone, iPad, Mac, Vision Pro** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PSPDFKit GmbH](https://appshunter.io/developer/966931428) | [ANDREW JONATHON TAYLOR](https://appshunter.io/developer/6779070487) |

## What reviewers say

### PDF Viewer by Nutrient

[App page](https://appshunter.io/ios/app/pdf-viewer-by-nutrient/id1120099014)

Easily view, search, and annotate PDF documents on your iPhone and iPad. Import files from cloud services, fill out forms, add signatures, and organize your documents. Advanced features like redaction and combining documents are available with a Pro subscription.

**Highlights:** View and search PDFs, Annotate with highlights and notes, Sign documents digitally, Fill out PDF forms, Organize and share documents, Import from cloud services

**Features:** Family Sharing, iMessage stickers

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDF Viewer Pro 3 Months | $6.99 | per 3 months |
| PDF Viewer Pro Yearly | $19.99 | per year |

**What reviewers like**

- 🚀 Seamless integration with iCloud and Files app
- 👍 Intuitive annotation tools with Apple Pencil
- 🎨 Versatile highlighting and drawing options
- 💾 Saves annotations to original PDF files
- 🔍 Powerful search and navigation features

**What reviewers complain about**

- 🐛 Occasional crashes and performance issues
- 🤔 Confusing UI and steep learning curve
- 🔀 Difficulty managing and organizing PDF files
- 🔍 Inconsistent text selection and highlighting
- 🔒 Privacy concerns around data collection

**Reported bugs**

- Annotations randomly disappearing or not saving
- Incompatibility issues with certain PDF files
- Scrolling and panning problems on large PDFs
- Unexpected crashes after iOS updates

**Requested features**

- Add a rubber/eraser tool for annotations
- Implement a side-by-side PDF view mode
- Improve palm rejection and gesture support
- Allow customization of toolbar and shortcuts
- Provide better options for PDF file management


### ADHD Cricket

[App page](https://appshunter.io/ios/app/adhd-cricket/id6779070485)

This app provides gentle, periodic chirps to help users stay focused on their tasks. It allows customization of intervals, sounds, and active hours, running quietly in the background to offer a subtle reminder to check task alignment.

**Highlights:** Customizable focus intervals, Choice of ambient sounds, Adjustable pitch and volume, Scheduled operation during active hours, Background operation, Simple and intuitive interface

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

**In-app purchases:** none


## Frequently asked questions

### Is PDF Viewer by Nutrient free?

PDF Viewer by Nutrient is free to download, with in-app purchases available.

### Is ADHD Cricket free?

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

### Which has better reviews, PDF Viewer by Nutrient or ADHD Cricket?

ADHD Cricket is rated higher. PDF Viewer by Nutrient averages 4.6 out of 5 from 9.1K ratings, while ADHD Cricket averages 5.0 from 1 ratings.

### Do PDF Viewer by Nutrient or ADHD Cricket have ads?

ADHD Cricket shows ads; PDF Viewer by Nutrient does not.

### Which is updated more often, PDF Viewer by Nutrient or ADHD Cricket?

PDF Viewer by Nutrient ships an update monthly, and ADHD Cricket every 9 days. Most recently, PDF Viewer by Nutrient was updated on October 19, 2026 and ADHD Cricket on October 10, 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.*