CalTrak vs Weight Loss Tracker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CalTrak
Track your daily calorie and macronutrient intake with multiple logging methods including barcode scanning, search, AI estimation, and photo recognition. Visualize your progress with clean charts and rings, and maintain streaks with forgiving features. Integrates with Apple Health for a comprehensive overview.
- Barcode scanning for food logging
- AI-powered meal estimation
- Photo recognition for nutrition labels
- Customizable calorie and macro targets
- Daily, weekly, and quarterly progress charts
- Apple Health and Watch integration
- Privacy-focused local data storage
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CalTrak is a calorie and macro tracker for iPhone. Log a meal by barcode, search, photo, or quick description. Watch your day take shape on a clean ring. See your week, month, and quarter at a tap. Your food diary stays on your device. Optional AI lookup sends what you submit to online services to estimate nutrition. No account, subscription or ads. Completely free. No ads, subscriptions, accounts, or paid features. CalTrak includes an entirely optional one-time tip jar for anyone who wants to support development. Tips unlock nothing and are never expected. FIVE WAYS TO LOG A MEAL • Scan a product barcode — pulls nutrition straight off the label • Search across Open Food Facts, FatSecret, and USDA FoodData Central • Describe a meal in your own words ("chipotle bowl, double chicken, sour cream") for an AI estimate • Snap a photo of a nutrition label, restaurant menu, or your plate — works with camera, photo library, or clipboard paste • Enter a custom food in any unit: grams, ounces, cups, milliliters, servings, pieces PERSONALIZED TARGETS • Goal wizard uses the Mifflin-St Jeor equation plus your activity level to compute daily calorie and macro targets • Higher protein during weight loss; sensible safety floors built in • Re-runnable anytime — your last inputs are remembered YOUR DAY, WEEK, AND QUARTER AT A GLANCE • Macro ring tracks calories alongside carbs, protein, and fat • Calorie trend chart with 7-, 30-, and 90-day toggles and your goal as a reference line • Activity chart with matching toggles for calories burned and active minutes • Per-meal averages, top foods, weight trend, body measurements • Calendar heatmap of every day you've logged, with goal status at a glance STREAKS THAT FORGIVE • Logging streak with a daily-dot week view • Earn a streak freeze every 14 days — automatically saves a missed day, up to two banked at any time • Smart reminders fire around your typical meal times rather than at a fixed evening hour DEEP APPLE HEALTH + WATCH INTEGRATION • Auto-imports Apple Watch workouts with route maps for walks, runs, and rides • Recognizes 50+ workout types with proper names and icons • Calorie Burn Bonus credits genuine activity above your maintenance burn • Writes logged nutrition, weight, and body measurements back to Health on your terms PRIVACY-FIRST • Your food log, weight, measurements, and history are stored locally on your device • Optional food search and AI lookup send your query or selected text, photo or PDF to online providers • Online features use temporary caches and limited service statistics. Provider processing and retention are separate • Sharing a meal uploads the meal you choose to share • No account, no subscription, no advertising or cross-app tracking • Full JSON export and import for portability • Details: https://caltrak.app/privacy DESIGNED FOR EVERYONE • VoiceOver labels and logical grouping across rings, charts, calendar cells, and food rows • Honors Reduce Motion on every animation • Dynamic Type-aware typography in primary flows • Color-independent status indicators Every feature is free and unrestricted. Optional one-time tips are available in Settings and unlock nothing.
Weight Loss Tracker
This app helps you track your weight loss progress with a smoothed trend line to see your true progress. It offers detailed reports, photo comparisons, and syncs with Apple Health. Widgets and reminders keep you motivated on your journey.
- Smoothed trend line for progress visualization
- Weekly, monthly, and yearly reports with BMI
- Progress photos with comparison slider
- Two-way Apple Health sync
- Home Screen and Lock Screen widgets
- Weigh-in reminders
- Face ID protection
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Periscope is a private, completely free weight tracker built around a simple daily weigh-in. Whether you're losing weight, building muscle or just staying accountable, Periscope shows you where you're really heading, without the noise. SEE THE REAL TREND Your weight naturally jumps around day to day. Periscope's smoothed trend line cuts through the fluctuations so you can see true progress. Browse weekly, monthly, yearly or all-time views and tap any point to see that day's weight. REPORTS THAT MOTIVATE The new Reports tab gives you a card for every week, month and year: your lowest weigh-in, how it compares with last time, your trend rate per week, and your BMI. Drag across any chart to explore day by day, and share a report with friends. APPLE HEALTH SYNC Use a smart scale? Connect Apple Health and your weight history comes in automatically. Weights you log in Periscope are saved to Health too, so your other health and fitness apps stay up to date. WIDGETS Keep your progress in sight with Home Screen and Lock Screen widgets: this month's report, your trend chart, key stats and your goal progress. PROGRESS PHOTOS Attach photos to any weigh-in and use the smooth before-and-after slider to see how far you've come. GENTLE REMINDERS Get a friendly nudge to weigh in, every 3 days by default, or as often as you like. PRIVATE BY DESIGN Your weight and photos stay on your device unless you turn on backup. Backups are stored privately in your account, never shared or sold, and you can turn backup off anytime. Face ID can lock the app so only you can see your data. FEATURES • Daily weight logging in kg or lbs • Smoothed trend line and interactive charts • Weekly, monthly and yearly reports with BMI • Goal weight with progress on your charts and widgets • Two-way Apple Health sync (weight) • Optional backup of your entries, photos and settings, restored when you sign in on a new iPhone • Use it without an account if you prefer • Home Screen and Lock Screen widgets • Progress photos with a comparison slider • Weigh-in reminders • Face ID protection • Available in 18 languages • 100% free: no subscription, no trial, no ads Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula Privacy Policy: https://avo-labs-periscope.vercel.app/privacy
Screenshots
Verdict
The clearest difference is in-app purchases: Weight Loss Tracker at none against CalTrak's 3. Weight Loss Tracker also leads on iOS requirement (15.1 vs 26.0). CalTrak's advantage is ratings volume (107 vs 1). On price, rating, update cadence and ads 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
Both are free to download. CalTrak sells 3 one-off in-app purchases. Weight Loss Tracker asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.9 for CalTrak against 5.0 for Weight Loss Tracker. That said, the two scores are not equally well evidenced: CalTrak has 107 ratings behind it against 1, so its average is the more settled of the two.
CalTrak ships an update every 4 days, Weight Loss Tracker every 3 days. The most recent releases landed on November 9, 2026 and November 10, 2026 respectively.
| Parameter | CalTrak | Weight Loss Tracker |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (107 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 107 — better | 1 |
| Update frequency | Every 4 days | Every 3 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | Free |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 26.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 38 MB | 74 MB |
| Age rating | 4+ | 4+ |
| Developer | Ryan Bulcher | Joshua Lai |
Customer experience
CalTrak
Weight Loss Tracker
In-app purchases
CalTrak
- Buy Cal a coffee$1.99
- Support development$4.99
- Big thank you$9.99
Weight Loss Tracker
No in-app purchases









