Compare NaturalReader and Quillbot: Which Extension is the Best?

NaturalReader turns webpages, PDFs, and docs into natural-sounding audio. In our tests it stood out with lifelike voices, OCR for scanned text and MP3 export —though the free plan is limited.
Quillbot is an AI-powered writing assistant designed to enhance your writing with features like paraphrasing, grammar checking, and summarizing. Ideal for productivity and improving writing quality.
Key Features
  • Natural-sounding voices: Diverse, lifelike voices with adjustable speed and pitch.
  • Multi-format reading: Reads webpages, PDFs, Google Docs, Word, and emails.
  • OCR for scanned text: Extracts text from images/screenshots for reading.
  • MP3 export: Converts text to downloadable audio for offline listening.
  • Pronunciation editor: Fine-tune how specific words are read.
  • Floating/mini player: Quick play/pause and voice controls while browsing.
  • Cloud library: Save texts and listen across devices.
  • Paraphrasing Tool: Rewrites your sentences to improve clarity and style.
  • Grammar Checker: Identifies and corrects grammatical errors.
  • Summarizer: Condenses long texts into shorter summaries.
  • Citation Generator: Helps you create citations in various formats.
  • Plagiarism Checker: Ensures your content is original.
Our Rating
7.4
8.7
Total users
900,000
5,610,334
Total ratings
2,228
3,796
Average rating
4.2 ⭐
4.6 ⭐
Entry Level PriceFreeFree
Chrome
Chrome Web Store logo
4.2
4.30
2.2K+ ratings
900.0K+Users
Chrome Web Store logo
4.7
4.69
3.7K+ ratings
5.0M+Users
Edge
-
Microsoft Edge Store logo
4.5
4.49
118 ratings
610.3K+Users
Firefox
-
-
Safari
-
-
Features
8.1

Voice quality is the standout, with premium voices and speed/pitch control that make long-form listening comfortable. OCR reliably extracts text from scans and screenshots, which is great for study materials and printed docs. MP3 export is straightforward and dependable for offline listening. The pronunciation editor helps fix names and technical terms quickly. The browser reading experience with a mini player is convenient, and a cross-device library ties it together for consistent access.

fucntion
9.0

Paraphrasing Tool:
Quillbot's paraphrasing tool is one of its standout features. It offers multiple modes like Standard, Fluency, and Creative, allowing users to choose the level of rewriting they need. We found it particularly useful for avoiding plagiarism and improving sentence structure.

Grammar Checker:
The grammar checker is robust, catching errors that many basic spell checkers miss. However, it sometimes flagged correct sentences as incorrect, which can be a bit annoying.

Summarizer:
Quillbot's summarizer is effective for condensing long articles or papers. It provides concise summaries that capture the main points, making it a valuable tool for students and professionals alike.

Performance
7.3

On typical webpages and shorter documents, playback is responsive and stable. MP3 exports are reliable, though very large texts take time to process. OCR accuracy is solid, with occasional cleanup needed for complex layouts. We hit minor glitches on very large PDFs and noticed that behavior varies by device and connection quality. For day-to-day use, performance is good enough to trust.

8.8

Quillbot performs well with small to medium-sized texts, but it can slow down when processing larger documents.

Design
7.0

The interface is clean and the primary controls are easy to locate, which helps first-time users get started fast. The mini/floating player is practical, though visually basic. The document library favors function over aesthetics, and theming/customization options are limited. We noticed small UI inconsistencies between platforms that make it feel a bit dated, especially next to newer TTS rivals.

9.0

User Interface:
Quillbot boasts a clean and intuitive interface. The layout is straightforward, making it easy for users to navigate through different features without any hassle.

Customization:
The tool offers various customization options, such as different paraphrasing modes and the ability to adjust the length of summaries. These features make it adaptable to different writing needs.

Value for Money
7.2

The free plan is sufficient for casual reading and quick tests. A one-time desktop license is attractive if you prioritize offline reading and MP3 exports. If you need premium voices, OCR, or larger workloads, the higher tiers provide real value but can add up, especially with commercial rights. Competing tools sometimes match voice quality at different price points, so it pays to compare.

9.0

Free vs. Paid:
While the free version offers basic functionality, the premium plans unlock a wealth of features that significantly enhance the tool's utility.

Cost-Effectiveness:
Compared to its competitors, Quillbot is slightly cheaper than Grammarly but more expensive than LanguageTool. From our perspective, Quillbot doesn't offer more value than LanguageTool, so we believe it should be priced similarly. However, it currently offers significant discounts on their plans, which makes it a very good investment in your writing.

Ease of Use
7.8

Basic reading is nearly frictionless with a short learning curve. Importing files via drag-and-drop or direct open works well, and voice/rate switching is clear. Pronunciation and OCR are simple once you find them, but some features are slightly tucked away. Very long PDFs or mixed-layout documents can introduce extra steps or retries, yet overall, the workflow remains approachable.

7.8

Quillbot's onboarding process is impressive, and the tool is easy to use right from the start. We quickly grasped most of its features. However, when compared to top competitors like Grammarly, it doesn't feel quite as natural or seamless to use.

Security & Privacy
6.8

Local/desktop reading reduces content exposure, which we prefer for sensitive material. Cloud features likely process text server-side, so privacy depends on your chosen workflow. We didn’t see widely documented end-to-end encryption details or advanced account protections. If privacy is a priority, stick to local voices and avoid syncing. For general use, the setup is standard and acceptable.

8.8

Data Handling:
Quillbot ensures that user data is encrypted and securely stored. However, like many AI tools, it does send data to its servers for processing, which may raise privacy concerns for some users.

Third-Party Services:
The tool uses third-party services for certain features, which could lead to data being processed outside of the EU. Users should be cautious when handling sensitive information.

Conclusion

NaturalReader is a dependable TTS pick if you want natural voices, OCR, and simple MP3 export without a steep learning curve. It handled our everyday reading well.

That said, the free plan is limited, and we encountered occasional hiccups. If you need consistent premium voices, long-form listening, or OCR, the paid tiers make a noticeable difference.

If you’re on a tight budget or only need basic web reading, consider a free browser reader first. For more polished voices and file workflows, NaturalReader is worth it.

Quillbot is a flexible AI writing tool that does a great job with paraphrasing and grammar checking.

While it has a few minor downsides, like occasional mistakes and some privacy concerns, its overall performance and affordability make it a solid choice. In the end, choosing the best writing tool is also a matter of personal opinion. If you want to improve your writing and boost productivity, Quillbot is definitely worth a look.

However, it still cannot compete with Grammarly as the best writing tool in this category. In our eyes, Grammarly is worth the more expensive price.

Our Recommendation

In our comparison between NaturalReader and Quillbot, Quillbot came out on top, scoring 8.7.

Quillbot is the most widely used, with over 6 million users and 4k+ reviews—and it also delivered the strongest performance in our tests. User reviews for Quillbot reflect our findings, while we rate NaturalReader lower than users do.

Notably, Quillbot has the highest user rating in the Chrome Web Store at 4.59, which supports its strong performance in our review.

There are some noticeable differences between these extensions, so it's worth considering your priorities and the details below.


  • Looking for the richest feature set? Quillbot stands out with a rating of 9. On the other hand, NaturalReader lags behind in this area with a rating of 8.1.
  • Need top performance? Quillbot stands out with a rating of 8.8. On the other hand, NaturalReader lags behind in this area with a rating of 7.3.
  • Design lovers, take note: Quillbot stands out with a rating of 9. On the other hand, NaturalReader lags behind in this area with a rating of 7.
  • Want to get the most for your money? Quillbot stands out with a rating of 9. On the other hand, NaturalReader lags behind in this area with a rating of 7.2.
  • Ease of use? It's a tie: NaturalReader and Quillbot. In the Ease of Use category, NaturalReader has scored a decent 7.8. It is generally easy to use, but some aspects might be less intuitive.
  • With privacy and security becoming ever more important, Quillbot stands out with a rating of 8.8. On the other hand, NaturalReader lags behind in this area with a rating of 6.8.

If you want a quick recommendation, Quillbot is our top pick. But as always, the best choice depends on what matters most to you.