Comparison

LyteFast vs TanitaSync

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
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LyteFast is a weight-tracking app built to keep you movingβ€”not just logging numbers. Core logging is free. 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

TanitaSync

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Have months or years of Tanita scale measurements stuck in the My Tanita app? TanitaSync lets you import your complete history into Apple Health with just a few taps. WHY TANITASYNC? My Tanita only syncs new measurements going forward. If you forgot to enable sync, or want to import older data, TanitaSync lets you bulk import your entire history into Apple Health. WHAT YOU CAN IMPORT: β€’ Weight β€’ BMI β€’ Body Fat Percentage β€’ Muscle Mass β€’ Basal Metabolic Rate (BMR) β€’ Heart Rate HOW IT WORKS: Export your measurements as CSV from the My Tanita app Open TanitaSync and select the CSV file Preview the data and optionally filter by date range Tap Import β€” done! SMART FEATURES: β€’ Automatic duplicate detection β€” won't re-import existing measurements β€’ Date filtering β€” import only the range you need β€’ Delete option β€” remove previously imported data if needed PRIVACY FIRST: Your health data stays on your device and syncs directly to Apple Health. TanitaSync does not collect, store, or transmit any personal information. Note: This app is not affiliated with Tanita Corporation.

Screenshots

LyteFast4 screens
TanitaSync3 screens

Verdict

The call

The clearest difference is price: LyteFast at Free against TanitaSync's $4.99. TanitaSync's advantage is in-app purchases (none vs 6). On ads, device support 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

LyteFast is free to download; TanitaSync costs $4.99 up front. LyteFast sells 6 in-app purchases, starting at $0.99 per 7 days. TanitaSync asks for nothing beyond the download.

Scorecard2 real differences Β· 4 level
LyteFast versus TanitaSync: the parameters behind the verdict, then further details
ParameterLyteFastTanitaSync
PriceFree β€” better$4.99
Update frequencyEvery 2 monthsβ€”
AdsNoNo
In-app purchasesYesNo β€” better
DevicesiPhoneiPhone, iPad β€” better
Requires iOS18.018.0
Further details β€” not scored
Size61 MB2 MB
Age rating4+4+
DeveloperStephane SprauerKlemen Mercun

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
None

TanitaSync

No in-app purchases

Questions

Is LyteFast free?
LyteFast is free to download, with in-app purchases available.
Is TanitaSync free?
TanitaSync costs $4.99, with no in-app purchases.
Do LyteFast or TanitaSync have ads?
Neither LyteFast nor TanitaSync shows ads.

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