PDF Expert by Readdle
The go-to PDF editor for iPhone, iPad and Mac.
Sinosend
Time to graduate from WeTransfer. Send files, win deals.
Updated February 2026
| PDF Expert by Readdle | Sinosend | |
|---|---|---|
| Rating | 3.5★ | 5.0★ |
| Reviews | 2 | 12 |
| Pros | 0 | 9 |
| FactScore™ | 16.7 | 55.7 |
FactScore™ Comparison
FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.
Pros & Cons
Only in PDF Expert by Readdle — Pros
No unique pros listedBoth tools — Pros
—Only in Sinosend — Pros
Custom branding Custom domain support Good dashboard Good support team Large file handling Multiple regions for datas Notification Upload folder White labelOnly in PDF Expert by Readdle — Cons
—Both tools — Cons
—Only in Sinosend — Cons
—Details
| PDF Expert by Readdle | Sinosend | |
|---|---|---|
| Categories | File storage and sharing apps, PDF Editor, Mobile editing apps | File storage and sharing apps, Sales enablement |
| Platforms | Web · iOS | Web |
| Became Popular | November 12, 2015 | November 3, 2025 |
| Website | pdfexpert.com | sinosend.com |
Who Should Pick Which?
Choose PDF Expert by Readdle if...
- No unique pros listed
Choose Sinosend if...
- Custom branding
- Custom domain support
- Good dashboard
With a FactScore™ of 16.7 vs 55.7, Sinosend leads in community reception. PDF Expert by Readdle uniquely offers No unique pros listed, while Sinosend stands out for Custom branding and Custom domain support.
What Users Say
PDF Expert by Readdle
Fast and convenient PDF experience
Gatekeeping AI features behind subscription paywall vs. those who paid for the standalone app. It would be understandable if only Readdle provided the tokens, but you can't bring your own OpenAI AP...
Sinosend
Custom branding / white-label experienceSinosend lets you use your own logo, background, and prepare download pages that feel like they belong to your brand, rather than generic transfer links.For ...
Affordability & reliability mainly.
I chose Sinosend over other platforms because it delivers everything I need in one place—professional branding tools, reliable large file transfers, and a smooth, intuitive interface. Competing ser...
Related Comparisons
Frequently Asked Questions
Which is better, PDF Expert by Readdle or Sinosend?
Based on FactScore™, Sinosend leads with a score of 55.7 vs 16.7. Sinosend has a higher rating of 5.0★ compared to 3.5★.
What are the pros of PDF Expert by Readdle compared to Sinosend?
PDF Expert by Readdle uniquely offers: No unique pros listed.
What are the pros of Sinosend compared to PDF Expert by Readdle?
Sinosend uniquely offers: Custom branding, Custom domain support, Good dashboard, Good support team, Large file handling.
Is PDF Expert by Readdle better rated than Sinosend?
PDF Expert by Readdle is rated 3.5★ from 2 reviews. Sinosend is rated 5.0★ from 12 reviews.
What is the FactScore™ of PDF Expert by Readdle and Sinosend?
FactScore™ weighs rating and review volume together. PDF Expert by Readdle scores 16.7 and Sinosend scores 55.7.
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