kitio.aiImageUpscaler.ai vs Viesus
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. ImageUpscaler.ai is completely free, while Viesus is freemium.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- 2x to 8x upscaling
- Batches of 50 images
- Zip download
- No watermark
- No account for first 10
- AI upscaling
- Face reconstruction
- Color and contrast correction
- PDF image enhancement
- Batch workflows
- REST API
| Feature | ImageUpscaler.ai | Viesus |
|---|---|---|
| Best for | Browser-based AI upscaler that enlarges photos up to 8x in batches | Cloud service that enhances and upscales photos and PDF images |
| Category | Image | Image |
| Pricing model | Free | Freemium |
| Starting price | Free | $10/mo |
| Free plan | Yes, fully free | Yes |
| Made by | ImageUpscaler.ai | Viesus |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
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Pricing compared
ImageUpscaler.ai is completely free, while Viesus is freemium.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
Basic
$10/mo
- 400 credits per month
- PDF resolution up to 300 dpi
- Roll-over credits
Business
$90/mo
- 5,000 credits per month
- PDF resolution up to 600 dpi
- Fastest processing
Enterprise
Contact sales
- Custom credit amount
- PDF resolution up to 1200 dpi
- Premium support
Prices in USD, checked Oct 29, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
ImageUpscaler.ai
- Try it without signing up
- Handles many formats including AVIF
- No copies stored on its servers
- Signed-in use capped at 100 a month
- Input limited to 4,096 px on the long edge
- Images pass through a third-party AI provider
Viesus
- API for automatic bulk enhancement
- Credits roll over
- Handles images inside PDFs
- Credit-based, so cost scales with volume
- Interface looks dated
- Free try-out is limited
Which one should you choose?
Choose ImageUpscaler.ai if you want:
- Try it without signing up
- Handles many formats including AVIF
- No copies stored on its servers
Watch out: signed-in use capped at 100 a month.
Choose Viesus if you want:
- API for automatic bulk enhancement
- Credits roll over
- Handles images inside PDFs
Watch out: credit-based, so cost scales with volume.
ImageUpscaler.ai vs Viesus FAQ
What is the difference between ImageUpscaler.ai and Viesus?
ImageUpscaler.ai: Browser-based AI upscaler that enlarges photos up to 8x in batches. Viesus: Cloud service that enhances and upscales photos and PDF images. Both are image tools.
Is ImageUpscaler.ai or Viesus cheaper?
ImageUpscaler.ai is completely free, while Viesus is freemium.
Do ImageUpscaler.ai and Viesus have free plans?
ImageUpscaler.ai: Yes, fully free. Viesus: Yes.
Who makes ImageUpscaler.ai?
ImageUpscaler.ai is made by ImageUpscaler.ai.
Who makes Viesus?
Viesus is made by Viesus.
Which should I choose, ImageUpscaler.ai or Viesus?
Choose ImageUpscaler.ai if you value try it without signing up and handles many formats including avif. Choose Viesus if you value api for automatic bulk enhancement and credits roll over.