Comparison

Weight Observer vs Sana

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Weight Observer

A minimalist tool for tracking body changes with a focus on simplicity, speed, and privacy. It offers a clean interface without mandatory registrations, allowing users to monitor their results efficiently.

Highlights
  • Minimalist weight tracking
  • Focus on simplicity
  • Speed and efficiency
  • Privacy-focused
  • No mandatory registration
Features
Read full description

Looking for a clean, efficient way to monitor your body changes? Weight Observer is a minimalist weight-tracking tool designed for those who value simplicity, speed, and privacy. No cluttered menus, no mandatory registrations — just you and your results.

About

Sana

Features
Read full description

Sana — персональная система похудения с реалистичным прогнозом и AI-коучем, который ведёт тебя каждый день. Не счётчик калорий — система, которая адаптируется каждую неделю по реальному прогрессу. КБЖУ по формуле Миффлин-Сан Жеор, еженедельный пересчёт, нарративные фазы: Старт - Адаптация - Стабильное снижение - Закрепление. AI-коуч знает твой контекст: вес, прогресс, фазу, квесты. Пишет первым, отвечает на вопросы про питание и мотивацию. Дневник питания с поиском, штрихкодом и фото-распознаванием. Трекер веса с графиком и прогнозом. Квесты и ачивки за реальные результаты. SANA PRO - AI-коуч с проактивными сообщениями - Еженедельный пересчёт КБЖУ - Квесты и программа фаз - AI фото-распознавание (безлимит) - Замеры тела и фото прогресса - История без ограничений Попробуй бесплатно 7 дней. Условия использования: https://sana.gadilovtech.com/terms

Screenshots

Weight Observer4 screens
Sana4 screens

Verdict

The call

The clearest difference is in-app purchases: Weight Observer at none against Sana's 2. On price, ads, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Sana sells 2 in-app purchases, starting at $4.99 per month. Weight Observer asks for nothing beyond the download.

Scorecard1 real difference · 9 level
Weight Observer versus Sana: the parameters behind the verdict, then further details
ParameterWeight ObserverSana
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 3 days—
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size41 MB36 MB
Age rating4+4+
DeveloperAlexandr ChekunkovIlyas Agadilov

In-app purchases

None

Weight Observer

No in-app purchases

2 purchases

Sana

Subscriptions2
  • Sana Pro — Ежемесячная$4.991 Month
  • Sana Pro — Годовая$19.991 Year

Questions

Is Weight Observer free?
Weight Observer is free to download, with no in-app purchases.
Is Sana free?
Sana is free to download, with in-app purchases available.
Do Weight Observer or Sana have ads?
Neither Weight Observer nor Sana shows ads.

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