Software · head to head
Photopea vs Principle
The short version
- Only Photopea has a free tier, so it costs nothing to try first.
- Each has a real cost: Photopea performance becomes sluggish and prone to crashes with high-resolution images or multi-layered files; Principle macOS only with no Windows or Linux editor available
- They diverge on capability: Photopea covers Photo editing, Principle covers Timeline-based animation.
Where they differ
Only the attributes on which Photopea and Principle actually diverge.
Identical on both: pricing model (Unknown), user rating (Not yet rated), category (Unknown).
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 Photopea
- Photo editing
- PSD compatibility
- Layer support
- Selection tools
- Filters and effects
- Google Drive
- Dropbox
- Adobe fonts
Only in Principle
- Timeline-based animation
- Interactive prototypes
- Touch gestures
- Component reuse
- Video export
- Sketch import
- Figma import
- Driver animations
What people use each for
The jobs each tool is most often brought in to do.
Photopea
- Quick photo editsnot Principle
- PSD file editingnot Principle
- Web designnot Principle
- Social media graphicsnot Principle
Principle
- Mobile app prototypesnot Photopea
- Micro-interactionsnot Photopea
- Animation designnot Photopea
- User flow designnot Photopea
- Gesture-based interfacesnot Photopea
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Photopea
- Performance becomes sluggish and prone to crashes with high-resolution images or multi-layered files
- Risk of losing work due to browser crashes or save failures
- Aggressive advertising that can slow down the entire computer
- No local installation option, always requires browser access
- Basic file organization and version tracking compared to professional tools
Principle
- macOS only with no Windows or Linux editor available
- No vector morphing capability for complex shape transformations
- Limited asset creation tools; cannot create vectors or shapes directly within Principle
- Sketch import flattens certain properties including paths, fills, borders, masks, blur effects, and text layers
- Limited variable support, logical loops, and data input capabilities compared to tools like ProtoPie or Origami
Pricing, plan by plan
Photopea
FreeNo published plan breakdown. See the Photopea review.
Principle
$129/one-time- License$129/one-time
- One year of upgrades
- Full access to all features
- Upgrade License$99/year
- Annual renewal for ongoing upgrades
Which should you pick?
Choose Photopea if
- You need photo editing.
- You want to start without paying.
- You also want psd compatibility.
Choose Principle if
- You need timeline-based animation.
- You work on macOS.
- You also want interactive prototypes.
Questions people ask
- Is Photopea or Principle better?
- Neither clearly leads. Photopea starts at Free and Principle at $129/one-time, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Photopea or Principle?
- Photopea has a free tier; the other does not. Paid plans start at Free for Photopea and $129/one-time for Principle.
- Does Photopea or Principle run on more platforms?
- Photopea runs on Web. Principle runs on macOS.
- Can I use Photopea for free?
- Yes. Photopea has a free tier, so you can try it without paying. Principle starts at $129/one-time.
- What is Photopea best used for?
- Photopea is most often used for quick photo edits, psd file editing, web design, social media graphics. Of those, quick photo edits and psd file editing are not what Principle is typically brought in for.
- What can Photopea do that Principle cannot?
- Photopea covers Photo editing, PSD compatibility, Layer support, Selection tools. Principle covers Timeline-based animation, Interactive prototypes, Touch gestures, Component reuse.
Answered from the vendors’ own pages
Photopea: Is Photopea free to use?
Yes, Photopea is completely free and supported by ads displayed within the browser. No subscription or payment is required to use the full feature set.
SourcePrinciple: Does Principle run on Windows or Linux?
No. Principle is macOS only and runs on Intel and Apple Silicon Macs. There is no Windows or Linux editor available; however, prototypes can be shared and viewed on any platform via web link.
SourcePhotopea: Does Photopea support Photoshop PSD files?
Yes, Photopea fully supports Photoshop PSD files including layers, masks, text, and effects. It can read and export files back to PSD, PNG, JPG, PDF, SVG, or GIF format.
SourcePrinciple: What is the cost of Principle?
Principle costs $129 for a one-time purchase with 1 year of upgrades included. After 1 year, upgrade licenses cost $99/year. A 14-day free trial is available with all features included.
SourcePhotopea: What platforms does Photopea run on?
Photopea is a web-based editor accessible through any modern browser including Chrome, Firefox, Safari, Edge, and Opera. It can be added to desktop as a shortcut or Chrome extension.
SourcePrinciple: Can I import designs from Figma or Sketch into Principle?
Yes. Principle supports importing designs from Figma and Sketch with intelligent merging of re-imported files. Some Sketch properties such as paths, fills, borders, blur effects, masks, and text layers are flattened upon import.
SourcePhotopea: Does Photopea upload my files to servers?
No. Photopea processes images entirely within your browser and does not upload files to external servers, keeping your work private and secure.
SourcePrinciple: How do I share Principle prototypes with others?
Prototypes can be shared via web link with one click (File > Export > Share to Web). Recipients can view and interact with prototypes in any browser on any platform: Windows, macOS, Linux, Android, or iOS. No installation required.
SourcePrinciple: Can I create vector shapes and morphing animations in Principle?
Principle does not support vector morphing, where vector objects transform into other vector shapes. It also has limited asset creation capabilities and editing is restricted to basic operations like scale and rotate.
Source