Comparison

StatsKey vs Hydro Reminder

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

Head to head
About

StatsKey

This comprehensive health and performance platform offers advanced nutrition tracking through AI image recognition, text input, and barcode scanning. It integrates with Apple Health for biometric data and provides a professional-grade training platform with GPS tracking and workout analytics.

Highlights
  • AI-powered nutrition tracking
  • Apple Health integration
  • Biometric data analysis
  • GPS workout tracking
  • Social competition features
  • Customizable nutrition targets
Features
Read full description

Experience the future of entropy management. StatsKey is a comprehensive health and performance platform that seamlessly integrates into your daily routine. Our advanced tracking system eliminates friction through four sophisticated input methods: image recognition, text description, barcode scanning, and label scanning—all working in intelligent concert to produce accurate nutritional estimates. Unparalleled Tracking Precision Comprehensive analysis capable of accounting for 40+ nutrients including macronutrients, complete vitamin profiles (A, B-complex, C, D, E, K), essential minerals (calcium, iron, magnesium, zinc, potassium, selenium), and specialized dietary compounds—the complete nutritional picture healthcare professionals recommend. Adaptive Intelligence Our AI Adaptive system analyzes your actual metabolic data from Apple Health, calibrating BMR using 30 days of real basal energy expenditure. Daily targets dynamically adjust based on measured activity levels, weight goals, and physiological responses. Personalized nutrition science powered by your body's actual data. Comprehensive Biometric Integration Seamless Apple Health synchronization delivers real-time tracking of steps, exercise minutes, active energy, workouts, and weight trends. Proprietary algorithms analyze your unique physiological markers—body composition, metabolic indicators, activity patterns, and health objectives—to generate precisely calibrated nutritional targets. Professional-Grade Training Platform Record workouts across 30+ sport types with live GPS tracking, real-time pace, heart rate zones, elevation, and split analysis. Post-workout analytics include pace charts, elevation profiles, HR zone distribution, grade-adjusted pace, and AI-powered coaching insights. Track training load, monitor fitness and freshness, build structured interval workouts, follow training plans from Couch to 5K through marathon, and compete on segment leaderboards. Social Competition and Accountability Connect with friends, browse their nutrition and workouts, compete on leaderboards spanning calories, protein, active minutes, and steps, and interact through a social activity feed with kudos and comments. Holistic Wellness Ecosystem Advanced water intake tracking with intelligent hydration goals, weight goal tracking with smart calorie adjustments, comprehensive meal history and pattern analysis, detailed insights with trend visualization, dietary preference management including restrictions and allergens, and custom macro target configuration for specialized protocols. Whether managing health conditions, optimizing athletic performance, pursuing body composition goals, or implementing therapeutic nutrition protocols, StatsKey adapts to your needs.

About

Hydro Reminder

Features
Read full description

Stay hydrated and healthy with Hydro Reminder - your personal water intake tracker! Features: - Track your daily water intake with beautiful visual progress - Set customizable daily water goals - Quick-add buttons for different cup sizes (150ml, 250ml, 350ml, 500ml) - View detailed weekly and monthly statistics - Smart reminders to drink water throughout the day - Dark mode support - Multiple language support (English & Arabic) Drinking enough water is essential for your health. Let Hydro Reminder help you build healthy hydration habits!

Screenshots

StatsKey4 screens
Hydro Reminder4 screens

Verdict

The call

The clearest difference is ads: StatsKey at none against Hydro Reminder's shown. StatsKey also leads on update cadence (every 2 days vs monthly). Hydro Reminder's advantage is iOS requirement (13.0 vs 18.0). On price, in-app purchases and device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. StatsKey sells 6 in-app purchases, starting at $14.99 per month and Hydro Reminder sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

StatsKey ships an update every 2 days, Hydro Reminder monthly. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.

Scorecard3 real differences · 6 level
StatsKey versus Hydro Reminder: the parameters behind the verdict, then further details
ParameterStatsKeyHydro Reminder
PriceFreeFree
Rating5.0 (4 ratings) — better—
Number of ratings4 — better—
Update frequencyEvery 2 days — betterMonthly
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPod
Requires iOS18.013.0 — better
Further details — not scored
Size117 MB25 MB
Age rating12+4+
DeveloperRyan SullivanMohammed Abdullah

In-app purchases

6 purchases

StatsKey

Subscriptions6
  • Elite Monthly1 Month trial$14.991 Month
  • StatsKey Pro2 variants$29.991 Month
  • StatsKey Pro+ (Legacy)$29.991 Month
Show 3 more
  • Elite Annual1 Month trial$114.991 Year
  • StatsKey Pro Annual (Legacy)7 Days trial$699.001 Year
  • StatsKey Pro+ Annual (Legacy)$999.001 Year
1 purchases

Hydro Reminder

One-time1
  • Hydro Reminder Pro$2.99

Questions

Is StatsKey free?
StatsKey is free to download, with in-app purchases available.
Is Hydro Reminder free?
Hydro Reminder is free to download, with in-app purchases available.
Do StatsKey or Hydro Reminder have ads?
Hydro Reminder shows ads; StatsKey does not.
Which is updated more often, StatsKey or Hydro Reminder?
StatsKey ships an update every 2 days, and Hydro Reminder monthly. Most recently, StatsKey was updated on October 24, 2026 and Hydro Reminder on October 14, 2026.

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