Spire.PDF
7.3#3 in pdf sdks$999 one-timeFree planAndroidiOSWebAPI
VisitSpire.PDF vs Syncfusion PDF Library
Syncfusion PDF Library
6.8#7 in pdf sdksFrom $1,199 a yearAndroidiOSWebAPI
VisitWhat both publish
| Fact | Spire.PDF | Syncfusion PDF Library |
|---|---|---|
| Headquarters | The vendor's contact page lists its address in Chengdu, Sichuan, China. | Morrisville, North Carolina, USA |
| Support | The vendor provides free online technical resources, and listed paid-support licenses include one-on-one support from an expert and faster guaranteed response times. | Pricing describes support levels with priority-based SLA support, unlimited tickets, and unlimited bug reports; Document SDK pricing includes Business Support. |
Spire.PDF plans
- Free EditionFree
- Pro Edition — Developer Small Business, with free support$999, paid once
- Pro Edition — Developer Small Business, with paid support$1,498, paid once
Syncfusion PDF Library plans
- Document SDK$1,199 a year
Pick Spire.PDF if…
You want what its maker publishes above — check its page for the details.
Pick Syncfusion PDF Library if…
You want what its maker publishes above — check its page for the details.