WeightWatchers Program vs Healstack
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
WeightWatchers Program
This app offers a science-backed weight loss tracker and personalized diet plans. It includes specialized support for weight-loss medications, AI-powered progress tracking beyond the scale, and flexible tools for various weight management goals. Connect with coaches and a supportive community for lasting results.
- Personalized diet plans
- Weight-loss medication support
- AI body scanner
- Weight Health Score
- Points® Program
- Macro tracking
- Virtual coaching sessions
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The #1 Doctor-Recommended Weight Loss Program† Get a science-backed weight loss tracker and diet plan tailored to your body. Whether you want to lose weight, maintain, or manage weight loss medication, Weight Watchers provides the tools for lasting results. NEW: GLP-1 & Clinical Support GLP-1 Success Program: Specialized nutrition, dose tracking, and side-effect management for members on weight-loss medications. Weight Watchers Med+: Access clinical experts and weight-loss medication prescriptions (if eligible). AI-Powered Progress Tracking AI Body Scanner: See 3D progress beyond the scale, including muscle and body fat changes. Weight Health Score: Get a holistic view of how your sleep, activity, and nutrition impact your health. Flexible Weight Loss Tools Customized Modes: Choose your path—Lose, Maintain, go All-In, or take a break from tracking with new Vacation Mode. Menopause Support: Manage symptoms and weight changes with tailored guidance. Points® Program: Our famous calorie counter alternative—track foods easily with ZeroPoint® foods and a barcode scanner. Macro Tracking: Monitor protein, fiber, carbs, and calories in one place. Integration & Coaching App and Device Syncs: Connect Apple Health™, Fitbit®, and more to track activity and sleep automatically. Virtual Experiences: Join live sessions led by expert Weight Loss Coaches. Registered Dietitians: Get 1:1 meal planning and nutrition support.* Food & Recipes Log Meals Instantly: Snap a photo or search our database of 12,000+ recipes and 450+ restaurants. Community: Join an exclusive social network of members for daily motivation. MEMBERSHIP TERMS Privacy Policy: https://www.weightwatchers.com/us/privacy/policy Terms of Service: https://www.weightwatchers.com/us/termsandconditions/membership †Based on a 2023 survey by Cerner Enviza of 500 doctors who recommend weight-loss programs to patients. *For as low as $0 for WeightWatchers members with qualified insurance coverage. Copays, coinsurance & deductibles may apply. Apple, the Apple logo, and iPhone are trademarks of Apple Inc., registered in the U.S. and other countries and regions.
Healstack
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Healstack is a personal substance tracker, harm reduction wiki, and health dashboard. Log doses with a journal you can filter and search, browse a 200+ substance wiki with harm reduction data, and see your health trends in one dashboard. Your data stays in your account — no ads, no data sales. FEATURES - Dose logging with journal, filters, and search - 200+ substance wiki with harm reduction information - Health dashboard with trends over time - Private by design Healstack is built for harm reduction: honest information and personal tracking to help you make safer choices.
Screenshots
Verdict
The clearest difference is in-app purchases: Healstack at none against WeightWatchers Program's 10. Healstack also leads on ads (none vs shown). WeightWatchers Program's advantage is chart position (#24 vs unranked) and device support (3 vs 1). On price, update cadence 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
Both are free to download. WeightWatchers Program sells 7 in-app purchases, starting at $19.99 per month. Healstack asks for nothing beyond the download.
WeightWatchers Program ships an update every 2 weeks, Healstack every 3 weeks. The most recent releases landed on October 14, 2026 and October 5, 2026 respectively.
| Parameter | WeightWatchers Program | Healstack |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (2.4M ratings) — better | — |
| Positive reviews | 95.4% of reviews | — |
| Number of ratings | 2.4M — better | — |
| Update frequency | Every 2 weeks — better | Every 3 weeks |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Best chart rank | #24 — better | — |
| Devices | iPhone, iPad, Apple Watch — better | iPhone |
| Requires iOS | 16.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 561 MB | 5 MB |
| Age rating | 17+ | 12+ |
| Developer | WW International, Inc. | Joshua Trommel |
Bugs and requests
WeightWatchers Program
Reported bugs
4 issues- Incorrect weight tracking
- Disappearing activity/sleep data
- Inability to add/edit recipes
- Unreliable syncing with fitness trackers
Requested features
6 requests- Ability to edit/delete tracked foods
- Improved food search and database
- Ability to share/sync meals with others
- Customizable meal planning and tracking
- Detailed nutrition information (calories, macros)
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- Sleep and water tracking integration
Healstack
Not enough reviews yet to summarise bugs or requests.
In-app purchases
WeightWatchers Program
- Monthly Plan2 variants$19.991 Month
- Monthly Plan$21.991 Month
- Monthly Plan2 variants$23.991 Month
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- Monthly Plan14 Days trial$23.991 Month
- Monthly Plan2 variants$24.991 Month
- Monthly Plan14 Days trial$24.991 Month
- WW Digital 6-month14 Days trial$108.996 Months
Healstack
No in-app purchases
Questions
Is WeightWatchers Program free?
Is Healstack free?
Do WeightWatchers Program or Healstack have ads?
Which is updated more often, WeightWatchers Program or Healstack?
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