Calorie Mama Food AI vs Rex.fit
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Calorie Mama Food AI starts at See pricing page and Rex.fit starts at See pricing page. 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
- Dish recognition from photos
- Calories and macros per serving
- Confidence scores
- Consistent JSON responses
- Developer portal and keys
- Meal logging from photos
- WhatsApp coach
- Workout suggestions
- Nutrition tracking API
- Free meal plan
| Feature | Calorie Mama Food AI | Rex.fit |
|---|---|---|
| Best for | Food recognition API that returns nutrition facts from meal photos | AI calorie tracking from a WhatsApp chat or a wearable |
| Category | Legal, finance & HR | Legal, finance & HR |
| Pricing model | Freemium | Freemium |
| Starting price | See pricing page | See pricing page |
| Free plan | Yes | Yes |
| Made by | Azumio | Re.fit |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Calorie Mama Food AI starts at See pricing page and Rex.fit starts at See pricing page. 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
Calorie Mama Food AI
- Fast responses for each meal
- Deterministic, database-backed results
- Cheaper per call than a large model
- Can misjudge mixed or unusual dishes
- Photos may be retained for training
- API plan prices not on the homepage
Rex.fit
- Logging happens inside WhatsApp
- No manual calorie entry
- API for fitness businesses
- Wearable is only available to pre-order
- Pricing not published
- Accuracy of photo estimates is unproven
Which one should you choose?
Choose Calorie Mama Food AI if you want:
- Fast responses for each meal
- Deterministic, database-backed results
- Cheaper per call than a large model
Watch out: can misjudge mixed or unusual dishes.
Choose Rex.fit if you want:
- Logging happens inside WhatsApp
- No manual calorie entry
- API for fitness businesses
Watch out: wearable is only available to pre-order.
Calorie Mama Food AI vs Rex.fit FAQ
What is the difference between Calorie Mama Food AI and Rex.fit?
Calorie Mama Food AI: Food recognition API that returns nutrition facts from meal photos. Rex.fit: AI calorie tracking from a WhatsApp chat or a wearable. Both are legal, finance & hr tools.
Is Calorie Mama Food AI or Rex.fit cheaper?
Calorie Mama Food AI starts at See pricing page and Rex.fit starts at See pricing page. Check both pricing pages for current plans.
Do Calorie Mama Food AI and Rex.fit have free plans?
Calorie Mama Food AI: Yes. Rex.fit: Yes.
Who makes Calorie Mama Food AI?
Calorie Mama Food AI is made by Azumio, based in United States.
Who makes Rex.fit?
Rex.fit is made by Re.fit.
Which should I choose, Calorie Mama Food AI or Rex.fit?
Choose Calorie Mama Food AI if you value fast responses for each meal and deterministic, database-backed results. Choose Rex.fit if you value logging happens inside whatsapp and no manual calorie entry.