Comparison

Fizik AI vs Selfie Tracker

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

Head to head
About

Fizik AI

This app uses AI to analyze your physique from a single photo, providing detailed insights into body fat, muscle definition, symmetry, and posture. It offers personalized progress tracking with charts, before-and-after comparisons, and goal-oriented nutrition targets.

Highlights
  • AI physique analysis from photos
  • Body fat percentage range estimation
  • Muscle definition by group
  • Symmetry, posture, and vascularity scores
  • Personalized progress notes
  • Before & after photo comparisons
  • Goal-oriented nutrition targets
Features
Read full description

Fizik AI — AI Fitness Analysis Your mirror lies. Your AI doesn't. Fizik AI analyzes your physique from a single progress photo - estimating the kind of data that used to cost hundreds at a lab. Body fat range, muscle definition by group, symmetry, posture, vascularity. All in seconds. AI Check-In Results Include: • Overall physique score (0–100) • Body fat percentage range • Muscle ratings: chest, arms, shoulders, abs, back & legs • Symmetry, posture, vascularity & leanness scores • Written progress notes personalized to you Built to Show You What's Actually Changing: • Before & after photo comparisons • Progress charts across 6 key metrics • Full photo timeline of your journey • Weekly, monthly, 3-month & custom date ranges Made For Your Goals: • Smart onboarding sets your daily calorie & protein targets • Supports fat loss, muscle gain, recomposition & maintenance • Tracks fitness and nutrition consistency over time Your Privacy Is Non-Negotiable: • Photos stored only on your device • Images sent securely for analysis, then immediately discarded • No social features. No sharing. Just you and your data. Subscribe for AI check-ins, full progress history, and detailed comparisons. ---By using Fizik AI, you agree to Apple's Standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Google Privacy Policy: https://policies.google.com/privacy

About

Selfie Tracker

Features
Read full description

See your progress clearly, one photo at a time. Selfie Tracker is a private, iPhone-first journal for consistent progress photos, measurements, and milestones. Use pose guides to recreate shots, compare dates side by side, and follow weight and consistency trends without clutter. CAPTURE CONSISTENTLY • Take guided progress selfies from repeatable angles • Use an overlay to line up each new photo • Keep a calm visual timeline of your check-ins NOTICE THE CHANGES • Compare two dates side by side • Track weight, consistency, goals, and milestones • Optionally prefill weight from Apple Health • Review weekly progress and create a progress video with Premium PRIVATE BY DESIGN • No public profiles • Protect saved photos with the app lock • Keep your data on your device or choose private cloud backup • Export a personal backup when you want one Selfie Tracker is free to start. An optional Premium subscription unlocks deeper goal insights, weekly reports, progress video, and additional color palettes. Any purchase is shown and managed through Apple. Selfie Tracker is a personal tracking tool and does not provide medical advice. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Fizik AI3 screens
Selfie Tracker4 screens

Verdict

The call

The clearest difference is iOS requirement: Selfie Tracker at 16.4 against Fizik AI's 18.0. On price, ads, in-app purchases and device support 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. Fizik AI sells 2 in-app purchases, starting at $4.99 per month and Selfie Tracker sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

Scorecard1 real difference · 9 level
Fizik AI versus Selfie Tracker: the parameters behind the verdict, then further details
ParameterFizik AISelfie Tracker
PriceFreeFree
Rating5.0 (3 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings3 — better—
Update frequencyDaily—
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPad — betteriPhone
Requires iOS18.016.4 — better
Further details — not scored
Size11 MB51 MB
Age rating12+12+
DeveloperAbhishek SinhaNikolaj Kiil

In-app purchases

2 purchases

Fizik AI

Subscriptions2
  • Monthly Premium7 Days trial$4.991 Month
  • Yearly Premium7 Days trial$49.991 Year
2 purchases

Selfie Tracker

Subscriptions2
  • Monthly Premium$5.991 Month
  • Yearly Premium$49.991 Year

Questions

Is Fizik AI free?
Fizik AI is free to download, with in-app purchases available.
Is Selfie Tracker free?
Selfie Tracker is free to download, with in-app purchases available.
Do Fizik AI or Selfie Tracker have ads?
Neither Fizik AI nor Selfie Tracker shows ads.

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