Overview
Allergo and TDEE Calculator are two distinct digital tools designed for very different purposes. Allergo focuses on helping people with food allergies communicate their dietary needs safely while travelling abroad, using translated allergy cards and emergency features. TDEE Calculator, on the other hand, is a free online tool that estimates your Total Daily Energy Expenditure to assist with weight management and fitness goals.
Feature Comparison
| Feature | Allergo | TDEE Calculator |
|---|---|---|
| Primary Purpose | Allergy translation cards for travellers | Calorie and energy expenditure estimation |
| Target Audience | People with food allergies, coeliac disease, or dietary restrictions | Individuals aiming for weight loss, muscle gain, or maintenance |
| Core Functionality | Generates translated allergy cards in 36+ languages, saves to Apple Wallet, includes SOS and conversation helpers | Calculates TDEE and BMR based on age, gender, height, weight, and activity level |
| Languages Supported | 36+ languages, localised per country | English only |
| Offline Access | Fully offline | Requires internet |
| Platform | iOS app (Apple Wallet) | Web-based |
| Customization | Choose from 27 allergens | Input personal stats and activity level |
| Emergency Features | SOS emergency phrases and local emergency numbers | None |
| Professional Input | Built with NHS healthcare professionals | Standard fitness formulas |
| Pricing | Freemium (first card free, then subscription) | Free |
Pricing
Allergo: Free to download; first allergy card free. Monthly subscription £3.99/month or annual £19.99/year for unlimited cards and Wallet passes.
TDEE Calculator: Completely free to use – no subscription, no hidden fees.
Pros and Cons
Allergo
Pros:
- Addresses a critical health safety need for travellers with allergies
- Localised translations per country, not just word-for-word
- Apple Wallet integration for quick access
- Fully offline functionality
- SOS emergency features included
Cons:
- Subscription required for unlimited use
- Only available on iOS (Apple Wallet dependent)
- Translation quality still improving (not all languages professionally verified)
TDEE Calculator
Pros:
- Completely free to use
- Simple and quick to get results
- Web-based – works on any device with a browser
- Helps with weight loss, muscle gain, or maintenance goals
Cons:
- Limited to English-only interface
- No offline access
- No emergency or health-safety features
- Does not address dietary restrictions beyond calorie counting
Verdict
Choose Allergo if you have food allergies or dietary restrictions and travel internationally – it provides life-saving communication tools. Choose TDEE Calculator if you need a free, straightforward tool to estimate daily calorie needs for fitness goals. They serve completely different purposes, so your choice depends entirely on your primary need: health safety abroad vs. fitness tracking.
Allergo
TDEE Calculator