TLevels vs Sleep Lock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TLevels
This app provides real-time insights into TRT and peptide protocols, including serum modeling, symptom tracking, and AI-powered guidance. It offers a comprehensive peptide library and helps users understand their health data privately on their device.
- Serum modeling for testosterone levels
- Symptom tracking and correlation
- AI-powered peptide stacking guidance
- Comprehensive 39-compound peptide library
- Protocol tracking with reconstitution calculator
- Lab result analysis and flagging
- Progress tracking with gamification
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TLevels — TRT & Peptide Protocol Intelligence Most men on TRT are flying blind between appointments. TLevels gives you real-time visibility into your entire protocol — serum modeling, symptom tracking, peptide intelligence, and AI-powered stack guidance. Built for the details your clinic doesn't have time to track. YOUR DATA STAYS YOURS Everything lives on your device. No accounts. No cloud. No third parties ever see your health information. AI STACK ASSISTANT Ask anything about peptide stacking, cycles, synergies, and mechanisms. Powered by Gemini AI with evidence ratings, dosing protocols, and synergy maps across 39 compounds. 20 questions per day with Pro. PEPTIDE LIBRARY — 39 COMPOUNDS The most complete peptide reference on any platform. In-depth profiles for 39 compounds across 8 categories — Repair, GH/IGF, Neuro, Metabolic, Longevity, Immune, TRT Support, and Sexual. Includes GLP-1s (Semaglutide, Tirzepatide, Retatrutide), MK-677, Cerebrolysin, and more. Evidence ratings, mechanisms, risks, cycle planner, reconstitution calculator, and side-by-side comparison. PEPTIDE PROTOCOL TRACKER Track your full peptide stack alongside TRT. Log BPC-157, TB-500, Sermorelin, Ipamorelin and more. Built-in reconstitution calculator, synergy analysis, site rotation, cycle timeline, and benefit trend tracking. LIVE SERUM MODELING Track every injection and watch your active testosterone level decay in real time using pharmacokinetic modeling based on your specific ester, dose, and injection frequency. Know exactly where your T is at any moment — not just on lab day. SYMPTOM CORRELATION ENGINE Daily check-ins track energy, mood, libido, sleep quality, gym performance, anxiety, and water retention — then correlate them against your serum levels over time. Find the range where you personally feel best. PROGRESS TRACKER & GAINS ENGINE™ Log weight, body fat, strength PRs, blood pressure, and vitals. Earn XP and level up as you log — from Recruit to Apex. Weekly challenges, streak tracking, and trend charts. LAB INTELLIGENCE Import your bloodwork PDFs or enter values manually. TLevels flags out-of-range hematocrit, estradiol, PSA, and Total T against clinical reference ranges across 18 markers. TLEVELS PRO — $24.99/MONTH OR $149.99/YEAR Unlock the full intelligence layer: AI Stack Assistant, 39-compound Peptide Library, Dial-In Score™, symptom correlation engine, lab PDF import, smart supply inventory, peptide protocol tracker, and weekly performance grades. SUBSCRIPTION INFORMATION TLevels Pro — $24.99 USD per month TLevels Pro Yearly — $149.99 USD per year Subscription automatically renews unless cancelled at least 24 hours before the end of the current period Payment will be charged to your Apple ID account at confirmation of purchase Your account will be charged for renewal within 24 hours prior to the end of the current period Manage or cancel your subscription in your Apple ID Account Settings after purchase Cancellation takes effect at the end of the current billing period TLevels is a tracking and educational tool. It is not a medical device and does not provide medical advice. The AI Stack Assistant provides educational reference information only — not medical advice. Always consult your prescribing physician before making any changes to your protocol. Privacy Policy: https://elijah433.github.io/tlevels-privacy/Privacy-policy.html Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Sleep Lock
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Sleep Lock creates a hard bedtime boundary on your iPhone. Pick the apps that tempt you at night — social, games, news, anything — set your sleep window, and let iOS enforce what willpower can't. When bedtime starts, your selected apps are shielded using Apple's Screen Time framework. Tapping them shows a calm lock screen instead of opening the app. When your sleep window ends, everything unlocks automatically. -- WHAT STAYS AVAILABLE -- Calls, SMS, alarms, emergency features, and any app you didn't select keep working normally throughout the night. Sleep Lock only blocks what you tell it to. -- FEATURES -- • App blocking — shield specific apps, entire categories (Social, Games, Entertainment…), or websites during your sleep window • Custom wake-up alarms — schedule alarms that ring through silent mode and Focus, just like the Clock app • Sleep insights — optional Apple Health integration shows sleep duration, heart rate, and recovery trends from Apple Watch, Xiaomi, Garmin, or any HealthKit source • Streak tracking — see how many nights in a row you've held the line • 5-minute warning — a quiet notification before your sleep window starts so you can wrap up • Emergency unlock — always available if something important comes up, with a streak reset so it means something -- PRIVACY FIRST -- No login. No account. No analytics. No tracking. No marketing push notifications. Your selected apps are stored as opaque tokens on your device — never sent to a server, never visible to us. Sleep data stays in Apple Health. The only data that leaves your device is what's required to validate your subscription. -- HOW IT WORKS -- Sleep Lock uses Apple's Screen Time APIs (FamilyControls, ManagedSettings, DeviceActivity) — the same framework that powers iOS's built-in Screen Time. Authorization is granted by you, for your own device. This is not a parental control app. -- SLEEP LOCK PRO -- All features require a Sleep Lock Pro subscription. • Weekly - $3.99/week • Monthly - $9.99/month • Yearly - $79.99/year All plans include a 3-day free trial for new subscribers. Subscriptions automatically renew unless canceled at least 24 hours before the end of the current period. Manage or cancel anytime in your Apple ID settings. Terms of Use: https://sleeplock.app/terms Requires iOS 26 or later.
Screenshots
Verdict
The clearest difference is update cadence: TLevels at every 5 days against Sleep Lock's every 2 months. TLevels also leads on iOS requirement (15.1 vs 26.0). On price, ads, 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
Both are free to download. TLevels sells 2 in-app purchases, starting at $24.99 per month and Sleep Lock sells 3 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.
TLevels ships an update every 5 days, Sleep Lock every 2 months. The most recent releases landed on October 15, 2026 and October 24, 2026 respectively.
| Parameter | TLevels | Sleep Lock |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (11 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 11 — better | — |
| Update frequency | Every 5 days — better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.1 — better | 26.0 |
| Further details — not scored | ||
| Size | 53 MB | 19 MB |
| Age rating | 12+ | 4+ |
| Developer | ELIJAH KEITH SEARLES | Modestas Razanauskas |
In-app purchases
TLevels
- TLevels Pro3 Days trial$24.991 Month
- TLevels Pro — Yearly$149.991 Year
Sleep Lock
- Sleep Lock Pro – Weekly3 Days trial$3.997 Days
- Sleep Lock Pro – Monthly3 Days trial$9.991 Month
- Sleep Lock Pro – Yearly3 Days trial$79.991 Year









