Publishing · head to head
Calibre vs GIMP
The short version
- Each has a real cost: Calibre the interface is dense and widely described as unintuitive, with a great deal exposed at once; GIMP gPLv3 licence requires derivative works to be open-source and freely distributed
- They diverge on capability: Calibre covers Format conversion, GIMP covers Photo editing.
Where they differ
Only the attributes on which Calibre and GIMP actually diverge.
Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Publishing).
What each one covers
Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.
Only in Calibre
- Format conversion
- Library management
- Device sync
- Content server
Only in GIMP
- Photo editing
- Digital painting
- Image processing
- Batch editing
- Filters
- Color correction
- Layer support
- Script-fu automation
What people use each for
The jobs each tool is most often brought in to do.
Calibre
- Converting books between formats for different e-readersnot GIMP
- Managing a large ebook library with proper metadatanot GIMP
- Authors preparing files for several storefrontsnot GIMP
GIMP
- Photo editing and retouching with professional colour managementnot Calibre
- Digital art creation with power and flexibility for image transformationnot Calibre
- Icon and UI element design for application developmentnot Calibre
- Batch image processing through Python, C, C++, and Scheme scriptingnot Calibre
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Calibre
- The interface is dense and widely described as unintuitive, with a great deal exposed at once
- Conversion between formats is imperfect, and complex layouts degrade
- Cannot remove DRM, so purchased books from most stores will not convert without third-party plugins
- Heavy for someone who only wants to read rather than manage a library
GIMP
- GPLv3 licence requires derivative works to be open-source and freely distributed
- Community-driven development with no commercial support tier
- No native CMYK support for professional print workflows
- Ecosystem depends on community plugins and scripts for advanced features
Pricing, plan by plan
Calibre
Free- CalibreFree
- Full functionality
- Commercial use permitted
- Community support
GIMP
FreeNo published plan breakdown. See the GIMP review.
Which should you pick?
Choose Calibre if
- You need format conversion.
- You want to start without paying.
- You work on Windows, macOS, Linux.
- You also want library management.
Choose GIMP if
- You need photo editing.
- You want to start without paying.
- You work on GNU/Linux, macOS, Windows.
- You also want digital painting.
Questions people ask
- Is Calibre or GIMP better?
- Neither clearly leads. Calibre starts at Free and GIMP at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Calibre or GIMP?
- Calibre starts at Free and GIMP at Free.
- Does Calibre or GIMP run on more platforms?
- Calibre runs on Windows, macOS, Linux. GIMP runs on GNU/Linux, macOS, Windows.
- Can I use Calibre for free?
- Both have a free tier, so you can try either at no cost before committing.
- What is Calibre best used for?
- Calibre is most often used for converting books between formats for different e-readers, managing a large ebook library with proper metadata, authors preparing files for several storefronts. Of those, converting books between formats for different e-readers and managing a large ebook library with proper metadata are not what GIMP is typically brought in for.
- What can Calibre do that GIMP cannot?
- Calibre covers Format conversion, Library management, Device sync, Content server. GIMP covers Photo editing, Digital painting, Image processing, Batch editing.
Answered from the vendors’ own pages
Calibre: Is Calibre free?
Yes, open source under the GPL.
GIMP: How much does GIMP cost?
GIMP is completely free to use and distribute. The software is released under the GNU General Public License v3 (GPLv3), an open-source license that guarantees freedom to use, modify, and distribute.
SourceCalibre: Can Calibre convert DRM-protected books?
No. It does not remove DRM, so most store-purchased books cannot be converted with Calibre alone.
GIMP: Can I modify and distribute GIMP?
Yes, GIMP's source code is available for modification and redistribution according to the terms of the GPLv3 license.
SourceCalibre: Does it work with Kindle?
Yes, it transfers to Kindle and most other e-readers and converts to the formats they use.