kitio.aiUbie vs Prefit.AI
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Ubie starts at Free and Prefit.AI starts at Free. Check both pricing pages for current plans.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Adaptive symptom questionnaire
- Possible causes report
- Guidance on when to see a doctor
- Search by symptom or body part
- Medical information library
- Photo calorie estimates
- Macro breakdown per item
- Fiber, sugar and sodium checks
- Up to 4 photos or a video
- Shareable meal postcards
| Feature | Ubie | Prefit.AI |
|---|---|---|
| Best for | Free AI symptom checker developed with doctors | Estimates calories and macros from a photo of your meal |
| Category | Legal, finance & HR | Legal, finance & HR |
| Pricing model | Free | Free |
| Starting price | Free | Free |
| Free plan | Yes, fully free | Yes, fully free |
| Made by | Ubie | Prefit.AI |
| Based in | Japan | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Ubie starts at Free and Prefit.AI starts at Free. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
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
Ubie
- Free with no paywall
- Takes only a few minutes
- Doctor-supervised medical content
- Not a diagnosis or a substitute for a doctor
- Accuracy depends on your answers
- Requires sharing health details
Prefit.AI
- No sign-up or install
- Photos aren't stored
- Breaks down each item on the plate
- Estimates can be off by 20% or more
- No meal log or history mentioned
- Mixed dishes are less accurate
Which one should you choose?
Choose Ubie if you want:
- Free with no paywall
- Takes only a few minutes
- Doctor-supervised medical content
Watch out: not a diagnosis or a substitute for a doctor.
Choose Prefit.AI if you want:
- No sign-up or install
- Photos aren't stored
- Breaks down each item on the plate
Watch out: estimates can be off by 20% or more.
Ubie vs Prefit.AI FAQ
What is the difference between Ubie and Prefit.AI?
Ubie: Free AI symptom checker developed with doctors. Prefit.AI: Estimates calories and macros from a photo of your meal. Both are legal, finance & hr tools.
Is Ubie or Prefit.AI cheaper?
Ubie starts at Free and Prefit.AI starts at Free. Check both pricing pages for current plans.
Do Ubie and Prefit.AI have free plans?
Ubie: Yes, fully free. Prefit.AI: Yes, fully free.
Who makes Ubie?
Ubie is made by Ubie, based in Japan.
Who makes Prefit.AI?
Prefit.AI is made by Prefit.AI.
Which should I choose, Ubie or Prefit.AI?
Choose Ubie if you value free with no paywall and takes only a few minutes. Choose Prefit.AI if you value no sign-up or install and photos aren't stored.