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Head-to-head · Image Upscaling Software

Upscayl vs ON1 Resize AI

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score Upscayl #3 in Image Upscaling Software 9.1/10 Free plan Free plan✓ 3 of 3 features Visit Upscayl
ON1 Resize AI #21 in Image Upscaling Software 7.3/10 Paid ✓ 2 of 3 features Visit ON1

Upscayl leads on 1 check, ON1 Resize AI on 0, and 3 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreUpscayl · 9.1/10
  • Free planonly Upscayl
  • Most featuresUpscayl · 3 of 3

Upscayl scores higher on our rubric for image upscaling software: 9.1 against 7.3 out of 10; our editors rank them #3 and #21.

Upscayl offers free plan; ON1 Resize AI doesn't. On upscaling method, ON1 Resize AI gives you Both where Upscayl offers Ai.

Upscayl is the better fit for open-source desktop and cloud users. ON1 Resize AI is the better fit for print-focused photographers.

  • Upscayl fits best

    Open-source desktop and cloud users

  • ON1 Resize AI fits best

    Print-focused photographers

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Upscayl 9.1/10 Visit ↗ ON1 Resize AI 7.3/10 Visit ↗
At a glance
Editor score 9.1 7.3
Ranking #3 in Image Upscaling Software #21 in Image Upscaling Software
Best for Open-source desktop and cloud users Print-focused photographers
Pricing model Free plan + paid Paid
Starting price $24.99/mo —
Free plan ✓ (best) —
Free trial — —
Deployment Cloud, Desktop Desktop
Platforms Web, Windows, macOS, Linux Windows, macOS
Built for Solo, Small business, Mid-market Solo, Small business, Mid-market, Enterprise
Features Upscayl 3/3 · ON1 Resize AI 2/3
Batch processing ✓ ✓
API access ✓ (best) Not checked yet
Desktop app ✓ ✓
Specs
Upscaling method Ai Both
Maximum scale Custom Custom
Input formats png, jpg, jpeg, jfif, webp RAW, PSD, PSB, TIFF, JPG, PNG, HEIC
Our review
Pros
  • Free, open-source desktop apps for Windows, macOS, and Linux
  • Batch processing, custom models, face enhancement, and double upscaling
  • Web, desktop, and API access with cloud storage and AI generation
  • Combines AI upscaling with Genuine Fractals interpolation
  • Includes batch export, tiling, margins, soft proofing, and print presets
  • Supports Photoshop, Lightroom Classic, Capture One, and other hosts
Cons
  • Cloud subscriptions start at $24.99 per month
  • Desktop and Cloud are separate offerings with different workflows
  • Cloud usage is credit-based, including a 10-credit free trial
  • Paid software with no free plan
  • Runs on Windows and macOS desktop systems
  • Photo RAW MAX may add apps beyond resizing needs
Our verdict

Upscayl is an AI image upscaling product for creators, designers, artists, developers, businesses, and other image-focused users. Its free, open-source desktop application processes images locally on Windows, macOS, and Linux, while…

Read the review →

ON1 Resize AI is desktop photo enlargement software for photographers, designers, and print-focused creative professionals. It combines AI-powered photo upscaling with Genuine Fractals interpolation, including a Diffusion-based Highest…

Read the review →
  1. UpscaylImage Upscaling Software 9.1Free plan
  2. ON1 Resize AIImage Upscaling Software 7.3Paid

Strengths and trade-offs

  • Upscayl — where it wins

    • Free, open-source desktop apps for Windows, macOS, and Linux
    • Batch processing, custom models, face enhancement, and double upscaling
    • Web, desktop, and API access with cloud storage and AI generation

    Where it doesn't

    • Cloud subscriptions start at $24.99 per month
    • Desktop and Cloud are separate offerings with different workflows
    • Cloud usage is credit-based, including a 10-credit free trial

  • ON1 Resize AI — where it wins

    • Combines AI upscaling with Genuine Fractals interpolation
    • Includes batch export, tiling, margins, soft proofing, and print presets
    • Supports Photoshop, Lightroom Classic, Capture One, and other hosts

    Where it doesn't

    • Paid software with no free plan
    • Runs on Windows and macOS desktop systems
    • Photo RAW MAX may add apps beyond resizing needs
  • Upscayl9.1/10 · Free plan

    A flexible upscaler with free local processing and credit-based cloud plans.

    Visit UpscaylFull verdict →
  • ON1 Resize AI7.3/10 · Paid

    A print-focused desktop enlarger with AI, Genuine Fractals, batch tools, and creative-workflow plugins.

    Visit ON1Full verdict →

More comparisons

All image upscaling software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update