Free / Open-sourcePrivate AI chat from the makers of DuckDuckGo
BookyTrack records 0 monthly visits with — month-over-month growth and Paid pricing. SuppCo records 207,874 monthly visits with -21.9% growth and Freemium pricing.

Track your reading progress from your Apple Watch
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | apps.apple.com | supp.co |
| Pricing Model | Paid | Freemium |
| Monthly Visits | 0 (0) | 207.87K (207,874) |
| MoM Traffic Delta | 0 (—) | -58.3K (-21.9%) |
| Primary Market & Share | 🌐 Global (—) | 🇺🇸 United States (77.6%) |
| Direct Visits / mo | 0 | 66.27K |
| User Rating | 4.1 | 4.1 |
| Supported Platforms | App | Website |

Track your reading progress from your Apple Watch
Set your current page number directly from your Apple Watch so you never lose your place.
Reading progress recorded on the watch stays in sync with the companion iPhone experience.
See how far you have travelled through your reading journey with progress-based stats rather than manual notes.
Add covers to your tracked books so your library looks recognisable at a glance.

A supplement tracker and optimizer that scores product quality and your whole stack
Scan or search products to see a quality rating built from 29 attributes covering manufacturing standards, testing benchmarks and inactive ingredients.
Get a StackScore for your routine along with nutrient-level coverage, dosing feedback and gap analysis against your health goals.
Follow regimens designed by clinicians and functional-medicine experts for goals like longevity, gut health, fitness, weight management and fertility.
Smart scheduling, reminders and daily intake logging so you actually stick to your supplement routine.
Free / Open-sourcePrivate AI chat from the makers of DuckDuckGo

Builds personalized wellness plans from DNA and biometrics, but focuses less on dedicated supplement stack optimization.
GPS trackers and pet health devices that watch over what matters
SpecialistPairs biomarker testing with wellness plans, but does not provide specific supplement quality ratings or stack dosing.
SpecialistPairs biomarker testing with wellness plans, but does not provide specific supplement quality ratings or stack dosing.

Accredited K-12 online school with live classes and flexible pacing
Accredited K-12 online school with live classes and flexible pacing

Free / Open-sourceSport-specific strength programming that tells you exactly what to lift
Free / Open-sourceSport-specific strength programming that tells you exactly what to lift
SpecialistAdapts workout and nutrition plans dynamically, but does not offer specialized supplement stack tracking or quality ratings.
SpecialistAdapts workout and nutrition plans dynamically, but does not offer specialized supplement stack tracking or quality ratings.
Free / Open-sourceReal-time drop alerts and market intelligence for EDC collectors
Free / Open-sourceReal-time drop alerts and market intelligence for EDC collectors
Consolidates biometric health data with an AI coach, but lacks granular supplement stack analysis and safety ratings.
Consolidates biometric health data with an AI coach, but lacks granular supplement stack analysis and safety ratings.

Free / Open-sourceTrack your language learning and discover level-appropriate media
Free / Open-sourceTrack your language learning and discover level-appropriate media
SpecialistSnap a photo, get calories and macro estimates in seconds
SpecialistSnap a photo, get calories and macro estimates in seconds

SpecialistIntegrates metabolic and nutrition data for health insights, but omits dedicated supplement quality scoring and stack tracking.
SpecialistIntegrates metabolic and nutrition data for health insights, but omits dedicated supplement quality scoring and stack tracking.