Sleep Habits Lab vs Nutritious
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Sleep Habits Lab
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Do your sleep habits actually work? Magnesium before bed, no coffee after 3pm, an earlier last meal, a cold plunge: Trialist tests each one against the sleep, HRV and heart data your iPhone already records, and tells you whether it made a difference. Change one thing, and watch what actually happens in your own health data. HOW IT WORKS 1. Pick something to test β magnesium before bed, an earlier last meal, cold plunges, no late caffeine, a new routine. Anything you can do (or skip) on a given day. 2. Log it in a tap. Trialist reads your Apple Health data in the background. 3. See the difference. Trialist compares your "did it" days against your personal baseline and shows you the change β with the sample size and strength behind every number. WHAT MOVES YOUR DATA The heart of Trialist is one honest question: what actually moves your sleep, HRV, resting heart rate, steps, or energy? Trialist ranks your habits, doses, and journal tags by their real day-to-day effect β not by hype. Dig into dose-response ("how much is enough?"), timing effects ("does it matter when?"), and change-points ("when did things shift?"). RATE YOUR DAY Give the day a quick 1β10. Over time Trialist learns what separates your great days from your rough ones β and even which way the arrow points (does better sleep make a better day, or the other way around?). A JOURNAL THAT EXPLAINS THE OUTLIERS Capture what you ate, how you felt, or a gut symptom in a tap, and tag the day (sick, traveling, big meal, hard workout). Trialist lines those entries up against your metrics β so you can catch the food behind a rough night, or the symptom that shows up a day after a trigger. BUILT ON HONESTY Most health apps overclaim. Trialist does the opposite. Every result shows how much data is behind it (Limited / Good / Strong), calls associations what they are β associations, not proof β and lets you exclude sick or travel days so they don't skew your results. PRIVATE BY DESIGN - No account. No sign-up. - No cloud. Everything stays on your device. - No third-party tracking or ads. - Export your full data anytime as JSON, or a clean PDF to share with whoever you choose. TRACK EVERYTHING IN ONE PLACE - Binary habits, A/B comparisons (Running vs Cycling), dosed supplements, and timed routines. - A visual calendar of every trial, streaks, and adherence. - A day journal with tags to capture context (sick, traveling, big meal, hard workoutβ¦). TRIALIST PRO Free gets you the whole loop: your first experiment, one-tap logging, its verdict, and the first thing your Apple Health history already says about you. Pro is for when one question isn't enough: - Run your next experiment, and as many at once as you like - Every finding from your history β and turn any of them into a zero-logging experiment - What lifts or drags your day rating - Dose and timing: how much is enough, and does it matter when - One-page trial reports to share with a doctor or coach SUBSCRIPTION DETAILS Trialist Pro is available as a monthly or yearly auto-renewing subscription, or as a one-time lifetime purchase. Prices are shown in the app before you buy. Payment is charged to your Apple Account at confirmation of purchase. A subscription renews automatically unless it is cancelled at least 24 hours before the end of the current period; manage or cancel it anytime in your Apple Account settings. Privacy Policy: https://gettrialist.app/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ β Trialist is for personal, informational, and educational use only. It is not a medical device and does not diagnose, treat, cure, or prevent any disease or condition. Always consult a qualified health professional before changing your health routine.
Nutritious
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This app is designed to simplify meal planning by allowing users to build meals using ingredients they already like and can easily access in their area. Users start by selecting their preferred ingredients. Based on personal details such as height, weight, activity level, fitness goals, and the number of meals they eat per day, the app uses AI to generate meal suggestions. These meals are created by estimating nutritional needs and macronutrient requirements, while strictly using only the ingredients selected by the user. To help users find meals that suit their preferences, the app allows a limited number of meal regenerations per day. Users can also edit their personal information at any time to update meal recommendations as their goals or lifestyle change. The app includes a progress tracking feature with a visual graph to help users monitor changes in weight over time. In addition, a nutrition-trained AI chatbot is available to provide general guidance and answers related to nutrition planning and fitness goals. This app is intended for general wellness and lifestyle support only. It does not provide medical advice and should not be used as a substitute for professional consultation. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://nutritiousapp.com/privacy-policy
Screenshots
Verdict
The clearest difference is device support: Nutritious at 3 against Sleep Habits Lab's 1. Nutritious also leads on iOS requirement (14.0.0 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Sleep Habits Lab sells 2 in-app purchases, starting at $19.99 per year and Nutritious sells 1 in-app purchase, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.
Sleep Habits Lab ships an update monthly, Nutritious fortnightly. The most recent releases landed on September 21, 2026 and September 7, 2026 respectively.
| Parameter | Sleep Habits Lab | Nutritious |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly | Fortnightly β better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone | iPhone, iPad, iPod β better |
| Requires iOS | 17.0 | 14.0.0 β better |
| Further details β not scored | ||
| Size | 25 MB | 43 MB |
| Age rating | 12+ | 4+ |
| Developer | RIKU ROBERT BRANDT | Faizan Iqbal |
In-app purchases
Sleep Habits Lab
- Trialist Pro β Annual$19.991 Year
- Trialist Pro β Lifetime$49.99
Nutritious
- Nutritious Monthly Premium Plan$7.991 Month
Questions
Is Sleep Habits Lab free?
Is Nutritious free?
Do Sleep Habits Lab or Nutritious have ads?
Which is updated more often, Sleep Habits Lab or Nutritious?
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