StatsKey vs Inject
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- AI-powered nutrition tracking
- Apple Health integration
- Biometric data analysis
- GPS workout tracking
- Social competition features
- Customizable nutrition targets
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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.
Inject
Track your GLP-1 medication injections, monitor weight loss, and log daily intake. Visualize your progress with charts and analytics to support your health journey.
- Log GLP-1 medication injections
- Track weight loss progress
- Monitor protein and water intake
- Visualize progress with charts
- Record medication side effects
- Companion for health apps
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Reach your goals with Inject – the complete tracker for GLP-1 medications such as Ozempic®, Wegovy®, Mounjaro®, Zepbound®, Semaglutide, and Tirzepatide. Whether you're tracking your weight loss journey with GLP-1 medications, logging your injections, or analyzing your progress, Inject is the ideal tool for you. With features to track, monitor, and visualize your evolution, Inject supports your lifestyle every step of the way. Easily log your weekly injections of Semaglutide, Tirzepatide, or other GLP-1 medications. Keep an organized record of Ozempic, Wegovy, Zepbound, and Mounjaro to ensure you always stay on track with your treatment. Follow your weight loss journey with advanced charts and analytics. Inject makes it easy to visualize how GLP-1 medications like Semaglutide and Tirzepatide are helping you transform your body and reach your goals. Track weight, protein intake, and water consumption. Customize the app to your lifestyle — whether you use Inject as a personal health insights tracker or as a companion to apps like Happy Scale. Monitor your medication usage and any side effects associated with Ozempic, Wegovy, Mounjaro, and other GLP-1 options. Understand how your treatment impacts your progress and overall well-being. If you’re using GLP-1 medications such as Zepbound, Ozempic, or Wegovy, Inject simplifies tracking your injections, weight, and protein intake. With its intuitive interface and easy-to-use shot tracker, Inject is more than an app — it’s your partner in successful weight management. Inject provides insights that help you lose weight, adjust your goals, and optimize your routine. Inject is a tracking and educational tool only. It does not provide medical guidance or advice. Always consult your healthcare provider regarding GLP-1 medications, weight loss, and health-related decisions. https://inject-app.com/privacy https://inject-app.com/terms
Screenshots
Verdict
The clearest difference is ads: StatsKey at none against Inject's shown. StatsKey also leads on rating (5.0 vs 4.7) and update cadence (daily vs every 5 days). Inject's advantage is ratings volume (19 vs 4) and iOS requirement (16.0 vs 18.0). On price, in-app purchases, monetization model 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
Both are free to download. StatsKey sells 6 in-app purchases, starting at $9.99 per month and Inject sells 11 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.
StatsKey holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 4 and 19 respectively.
StatsKey ships an update daily, Inject every 5 days. The most recent releases landed on September 11, 2026 and September 19, 2026 respectively.
| Parameter | StatsKey | Inject |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | 4.7 (19 ratings) |
| Positive reviews | — | 54.2% of reviews |
| Number of ratings | 4 | 19 — better |
| Update frequency | Daily — better | Every 5 days |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, Apple Watch — better | iPhone, iPad |
| Requires iOS | 18.0 | 16.0 — better |
| Further details — not scored | ||
| Size | 80 MB | 87 MB |
| Age rating | 12+ | 17+ |
| Developer | Ryan Sullivan | Nutra.AI |
Customer experience
StatsKey
Inject
In-app purchases
StatsKey
- StatsKey Pro$9.991 Month
- Elite Monthly1 Month trial$14.991 Month
- StatsKey Pro+$24.991 Month
Show 3 moreShow fewer
- StatsKey Pro Annual7 Days trial$79.991 Year
- Elite Annual1 Month trial$114.991 Year
- StatsKey Pro+ Annual$199.991 Year
Inject
- Monthly Access$5.991 Month
- Monthly Access$9.991 Month
- Weekly Access7 Days trial2 variants$9.997 Days
Show 8 moreShow fewer
- Anual Access$14.991 Year
- Anual Access7 Days trial$29.991 Year
- Anual Access2 variants$29.991 Year
- Monthly Access$34.991 Month
- Anual Access7 Days trial$49.991 Year
- Anual Access$49.991 Year
- Semiannual Access3 Days trial$99.996 Months
- Semiannual Access$99.996 Months









