Upscale4 vs ImgUpscaler at a glance
| Upscale4 | ImgUpscaler | |
|---|---|---|
| Free limit | 5 images a day, batches of 5Source: our pricing | 50 images a monthSource: imgupscaler.com, checked 6 Oct 2026 |
| Max free output | 2× and 4×, up to 4,096 px on the long sideSource: our pricing | Up to 4×Source: imgupscaler.com, checked 6 Oct 2026 |
| File and size limits | Files up to 100 MB free, 1 GB on ProSource: our pricing | Not publishedSource: imgupscaler.com, checked 6 Oct 2026 |
| Watermark | No watermarkSource: our pricing | No watermark, but shows adsSource: imgupscaler.com, checked 6 Oct 2026 |
| Sign-up | First download each day needs no account, then a free accountSource: our pricing | Not publishedSource: imgupscaler.com, checked 6 Oct 2026 |
| Uploads your image | No, it runs in your browserSource: our pricing | Yes, deleted after 24 hoursSource: imgupscaler.com, checked 6 Oct 2026 |
| Extra models | Pro adds the "Photo, max quality" model and Enhance facesSource: our pricing | Not publishedSource: imgupscaler.com, checked 6 Oct 2026 |
| Paid price | Pro $5/month or $50/year: no size cap (up to 16,384 px), unlimited, batches of 200Source: our pricing | $9.90/month, unlimited plan $19.90Source: imgupscaler.com, checked 6 Oct 2026 |
"Not published" means we could not confirm that detail on the linked page when we checked on 6 Oct 2026. Prices and limits change, so check the source before you decide.
Where ImgUpscaler is better
- The free limit is counted per month (50), so you can do a big batch in one day. Upscale4 Free stops at 5 a day.
- Processing happens on their servers, so the speed of your own device matters less.
Where Upscale4 is better
- Your image stays on your device. ImgUpscaler uploads it and deletes it after 24 hours.
- Cheaper paid plan: $5/month or $50/year, unlimited, against $9.90/month.
- Batches of 200 on Pro.
Which to pick
Pick ImgUpscaler for many free images on a single day. Pick Upscale4 for private images and a lower paid price.
Questions
Is Upscale4 a free ImgUpscaler alternative?
Yes. Upscale4 Free gives 5 images a day, batches of 5, 2× and 4×, up to 4,096 px on the long side, with no watermark. ImgUpscaler: 50 images a month (checked 6 Oct 2026).
Does ImgUpscaler upload my images?
ImgUpscaler: Yes, deleted after 24 hours. Upscale4 runs in your browser, so your image stays on your device.
Which gives a bigger free result, Upscale4 or ImgUpscaler?
Upscale4 Free: 2× and 4×, up to 4,096 px on the long side. ImgUpscaler: Up to 4×. Upscale4 Pro removes the size cap.
How do the paid plans compare?
Upscale4: Pro $5/month or $50/year: no size cap (up to 16,384 px), unlimited, batches of 200. ImgUpscaler: $9.90/month, unlimited plan $19.90.
Sources
ImgUpscaler figures checked 6 Oct 2026. Names are used only to identify each product.