Comparison

LyteFast vs Formphyq

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

Head to head
About

LyteFast

Features
Read full description

Log your weight for free, sync your scale and fitness tracker, and see where you're heading. Core logging is free; the weight forecast, AI Muscle Rating, AI Body Preview and other premium features require a subscription (see below). NEW: AI Body Preview (requires AI Add-On subscription) Pick a photo and the AI generates a goal-physique visualization to help you imagine where your efforts could lead. Share the before/after to Instagram or TikTok. Results are AI-generated artistic renderings for motivational purposes only β€” not predictions, clinical assessments, or representations of your actual future appearance. NEW: AI Muscle Rating (requires AI Add-On subscription) Snap a photo and get an instant 1-100 score for each of 8 muscle groups (pectorals, shoulders, biceps, triceps, forearms, legs, abs, back), plus an overall rating and a gamified rank β€” Wood, Bronze, Silver, Gold, Platinum, Diamond, Champion, Titan, Olympian. See where you stand on the bell curve, get a comment per muscle, and share your card. Scores are AI-generated estimates, not clinical measurements. What also makes LyteFast different Auto-Zoom chart that focuses on the most relevant slice of your journey, smooths daily noise, and projects a near-term weight forecast (subscription required): Am I on track? When is the next milestone? Budget-based calories β€” subscription required (simple "spend vs. budget"): - AI Food Scanner recognizes common foods and portions (requires AI Add-On subscription). - Barcode Scanner pulls verified nutrition for packaged items (requires AI Add-On subscription). - Instant budget status (on/near/over) plus remaining calories and friendly guidance. Fasting, made actionable (subscription required) Log fasting windows and see their measurable impact. An animated %-to-goal gauge shows where you stand, and the Auto-Zoom chart shows where you're headed. Sustainability & sensitivities (subscription required) Each meal scan includes estimated COβ‚‚e (carbon footprint) so you can see environmental impact over days and weeks. Packaged items can display a gluten status indicator for quick screening. Insights informβ€”never judge. Always know what to do next (subscription required) A clear, always-visible calorie deficit view translates energy balance into plain language: how far you are from goal, what's driving the current trend (intake, activity, fasting), and the smallest effective changes to close the gap. On-budget notifications help you course-correct early. Syncs when you doβ€”works even if you don't Fitness tracker & scale sync: steps, workouts, and weigh-ins automatically. No tracker? Manual entry. Choose from 60 activity types to estimate calories burned. Fast logging without scanning Use the Calorie Estimator with 60 predefined foods to compute intake quickly. Each item includes a simple carbon-footprint range (low / medium / high) and gluten status. What's free vs. subscription Free: manual weight and step logging, calorie estimator, fitness tracker & scale sync, basic charts. Base Access subscription: weight forecast, calorie deficit tracking, fasting log & insights, COβ‚‚e footprint, gluten status indicator. AI Add-On subscription: AI Food Scanner, Barcode Scanner, AI Body Preview, AI Muscle Rating. Subscriptions are available as weekly, monthly, or yearly plans and are managed through your Apple ID. Payment is charged to your Apple ID account at confirmation of purchase. Subscriptions automatically renew unless cancelled at least 24 hours before the end of the current period. You can manage or cancel subscriptions in your Apple ID account settings at any time. All features are estimates and do not replace medical, nutritional, or fitness advice. AI Body Preview generates artistic visualizations for motivational purposes only β€” not predictions and not representations of your actual future appearance. AI Muscle Rating scores are AI-generated estimates, not clinical measurements.

About

Formphyq

Features
Read full description

Formphyq turns three photos into a clear, clinical read on your physique β€” then hands you the plan to improve it. No guesswork. No vague "you look great." Just a precise Form Score (0–100), graded muscle groups, and a structured path forward. β€” YOUR FORM SCORE, EXPLAINED β€” Complete a 3-angle scan (front, side, back) and Formphyq analyzes your build like a diagnostic report: β€’ Form Score from 0 to 100, benchmarked and easy to track over time β€’ Per-muscle-group grades β€” chest, back, shoulders, arms, legs, glutes, core β€’ Strengths, weak points, and left/right asymmetries flagged clearly β€’ Estimated body-fat % and FFMI (Fat-Free Mass Index) Prefer a quick check? A single photo works too β€” areas we can't see get a general plan. β€” A PLAN BUILT FOR YOUR BODY β€” Your results aren't the finish line β€” they're the input. Formphyq generates: β€’ A structured workout program targeting your specific weak points β€’ A nutrition plan with calorie and macro targets for your goal β€’ Clear priorities so you train smarter, not just harder β€” AN AI COACH IN YOUR POCKET β€” Ask anything. Your AI coach explains your scores, adjusts your plan, swaps exercises, and keeps you accountable between scans. β€” TRACK REAL CHANGE β€” Re-scan anytime and watch your Form Score and muscle grades move. Honest data beats the mirror β€” see progress you'd otherwise miss. β€” PRIVACY-FIRST BY DESIGN β€” Your photos are sent securely, used only to generate your result, then discarded β€” never stored on our servers, never used to train AI models. β€” WHO IT'S FOR β€” β€’ Lifters tracking hypertrophy and symmetry β€’ Beginners who want a clear starting point and direction β€’ Anyone tired of guessing whether they're actually progressing Scan. Score. Improve. Download Formphyq and get your Form Score today. β€” SIMPLE, ONE-TIME PRICING β€” No subscription. No auto-renew. You pay once for what you use: β€’ Each physique scan is a one-time purchase β€’ Your AI workout + nutrition program is a one-time purchase, built from your scan β€’ The 24/7 AI Coach is a one-time lifetime unlock β€” pay once, it's yours forever Your local price is always shown before you buy. Formphyq provides fitness estimates for informational purposes and is not a medical device or medical advice. Privacy Policy: https://formphyq-backend-production.up.railway.app/privacy Terms of Use (EULA): https://formphyq-backend-production.up.railway.app/terms

Screenshots

LyteFast4 screens
Formphyq4 screens

Verdict

The call

The clearest difference is update cadence: Formphyq at every 5 days against LyteFast's every 2 months. LyteFast's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. LyteFast sells 6 in-app purchases, starting at $0.99 per 7 days and Formphyq sells 2 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

LyteFast ships an update every 2 months, Formphyq every 5 days. Both last shipped on October 25, 2026.

Scorecard2 real differences Β· 4 level
LyteFast versus Formphyq: the parameters behind the verdict, then further details
ParameterLyteFastFormphyq
PriceFreeFree
Update frequencyEvery 2 monthsEvery 5 days β€” better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, Apple Watch β€” betteriPhone
Requires iOS18.017.0 β€” better
Further details β€” not scored
Size68 MB9 MB
Age rating4+4+
DeveloperStephane SprauerAbdullah Salih KUCUKARSLAN

In-app purchases

6 purchases

LyteFast

Subscriptions6
  • Weekly premium access3 Days trial$0.997 Days
  • Monthly premium access$2.991 Month
  • Weekly LyteFast AI Add-On$4.997 Days
Show 3 more
  • Monthly LyteFast AI Add-On$14.991 Month
  • Yearly premium access$23.991 Year
  • Yearly LyteFast AI Add-On$149.991 Year
2 purchases

Formphyq

Subscriptions2
  • Formphyq Pro β€” Weekly$6.997 Days
  • Formphyq Pro β€” Monthly$9.991 Month

Questions

Is LyteFast free?
LyteFast is free to download, with in-app purchases available.
Is Formphyq free?
Formphyq is free to download, with in-app purchases available.
Do LyteFast or Formphyq have ads?
Neither LyteFast nor Formphyq shows ads.
Which is updated more often, LyteFast or Formphyq?
LyteFast ships an update every 2 months, and Formphyq every 5 days. Most recently, LyteFast was updated on October 25, 2026 and Formphyq on October 25, 2026.

Other comparisons