Suu vs Yazio: Which Is Better? (2026 Comparison)

Yazio is a well-loved nutrition app in Europe thanks to its sleek design, intermittent fasting tracker and recipes. Suu is an AI assistant that combines water + calories + exercise in one app, with logging by voice or photo. Here's an honest comparison.

Transparency note: This article is written by the Suu team. Yazio features are described based on publicly available information as of 2026.

Short answer

Suu is better for people who want water + calories + exercise in one place, by voice/photo and with real hydration tracking. Yazio is strong for users focused on intermittent fasting, recipes and diet plans. Both are on iOS and Android.

Feature comparison

Feature	Suu 🌱	Yazio
Calorie + macro tracking	✓	✓
Voice meal logging	✓	✗
AI photo calories	✓ Gemini	Limited
Water + 91-beverage hydration science	✓	Basic
Dynamic goals from exercise	✓	Partial
Intermittent fasting tracker	✗	✓
Recipes / diet plans	Limited	✓
Arabic (RTL)	✓	✗
Turkish interface	✓	✓
Apple Watch app	✓ water, voice meals, GPS workouts	✓
Rating	4.9★ GP	~4.6★

Where Suu stands out

1. Real hydration science + all-in-one

Water in Yazio is a basic counter. Suu calculates the hydration factor of 91 beverages, tracks calories/macros and reads exercise to adjust goals dynamically — all on one screen.

2. Voice and photo logging

Logging meals by voice and deriving calories from a photo (Gemini) are standard in Suu; Yazio has no native voice logging.

3. Arabic RTL and 7 languages

Suu is fully localized in Turkish, English, Arabic (RTL), German, Italian, Russian and Hindi. Yazio's Arabic support is limited.

Where Yazio stands out

1. Intermittent fasting tracker

A dedicated tracker for protocols like 16:8 — Yazio is strong here.

2. Recipes and diet plans

A large recipe library and ready-made nutrition plans, an advantage for people who want to follow a plan.

🏆 Verdict

If you want water + calories + exercise easily in one app, by voice/photo and with real hydration tracking, pick Suu. If you're focused on fasting and recipes, pick Yazio. Both can be tried free.

Try Suu Free

✓ Log meals by voice or photo
✓ Water + calories + exercise in one place
✓ iOS & Android

App Store Google Play

Frequently Asked Questions

Is Suu or Yazio better?

It depends. If you want water + calories + exercise in one app, by voice/photo and with hydration tracking, Suu; if fasting and recipes are your priority, Yazio.

Is Yazio free?

It has a free version, but most recipes and plans are Premium. Suu's free tier gives core tracking + 3 AI analyses/day + Health sync.

Does Yazio track water well?

Yazio's water tracking is basic. Suu tracks hydration scientifically with a hydration factor for 91 beverages.

An app that does fasting and water together?

Yazio for the fasting timer, Suu for hydration + all-in-one nutrition; many people use both.

Does Suu work on Apple Watch, with Siri and with widgets?

Yes. With Suu's Apple Watch app you add water from your wrist, log a meal by voice (the calorie analysis finishes in Suu on your iPhone) and record walks, runs, hikes and rides with the watch's GPS and live heart rate. Water and workouts are saved on the watch even when your iPhone isn't nearby and sync later. On iPhone there are Home Screen widgets in three sizes (small, medium, large) and Lock Screen widgets — on iOS 17 and later you add water from the Home Screen widget with one tap — plus Live Activities and Dynamic Island. Adding water by voice with Siri (up to 3 custom phrases) is part of Premium. Android has a home-screen widget. There are no watch-face complications.

References

Burke LE, Wang J, Sereika SM. (2011). Self-monitoring in weight loss: a systematic review of the literature. Journal of the American Dietetic Association, 111(1), 92–102. PubMed: 21185970
Suu — Features. suuapp.com/ozellikler-en.html · Full roundup: Best Calorie Counting App 2026