Comparison

Intimacy Tracker vs ZoneLock

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

Head to head
About

Intimacy Tracker

This app helps you track and understand your intimate wellness and relationships. It supports all relationship types and logs various intimate moments, offering insights into patterns and health data. Enjoy premium privacy with PIN protection and optional Apple Health sync.

Highlights
  • Track moments with unlimited partners
  • Log non-physical intimate moments
  • Intelligent insights on intimacy patterns
  • PIN protection with calculator disguise
  • Sync with Apple Health
  • Track partner preferences and dates
Features
Read full description

Your intimate wellness journey, beautifully tracked. Silk is the premium wellness companion that celebrates all forms of intimacy — from holding hands to passionate moments. Designed for modern relationships, Silk supports every connection in your life with elegance and complete privacy. ALL RELATIONSHIPS WELCOME Track moments with unlimited partners. Polyamorous, monogamous or exploring your journey — every connection is valid and private. BEYOND THE BEDROOM Log everything from cuddles to conversations. Every intimate moment matters, not just the physical ones. INTELLIGENT INSIGHTS Discover patterns between intimacy, cycles and wellness. Understand how your body and emotions connect. PREMIUM PRIVACY PIN protection with calculator disguise. Your data stays encrypted and completely private. HEALTH AT HEART Track protection usage, STI tests and medications. Sync with Apple Health for comprehensive wellness. Medication tracking via HealthKit requires iOS 18 or later. PARTNER CARE Remember preferences, track cycles and important dates for everyone you care about. FREE FEATURES: • Track moments with one partner • 30 day history • Core statistics • Data export PREMIUM SUBSCRIPTION OPTIONS: Enjoy unlimited partners and full history access, advanced insights and correlations, partner cycle tracking, home widgets and more. Choose from a monthly plan (with a free 7-day trial), an annual plan or a one-time lifetime purchase. Silk transforms intimate wellness tracking into a luxurious experience. Every tap feels as smooth as silk.

About

ZoneLock

Features
Read full description

Train smarter. Stay in your zone. ZoneLock is a heart rate zone training app built for athletes who train with intent. Connect your chest strap or Apple Watch, pick your zone, and get real-time alerts the moment you push too hard or need to work harder. Apple Watch and chest strap support, free No subscription needed to train. Use your Apple Watch as your live heart rate source, or connect a Polar H9, H10, or any Bluetooth chest strap. Start a session on your watch and leave your phone behind. Everything syncs automatically, even if your phone was closed during the workout. Real-time zone alerts Audio and haptic cues the moment you drift above or below target, with a different pattern for each, so you know which way you went without looking at your screen. Personalised heart rate zones Set up your five training zones using the Karvonen method, refined by a guided submaximal fitness test. ZoneLock calculates your exact BPM ranges and remembers them so every session starts in seconds. ZoneSignal daily readiness Before every session, ZoneSignal reads your sleep, HRV, resting heart rate, and recent training load to tell you whether to go hard or ease off. No guessing. Just a clear daily signal backed by your own data. Session history Every session is saved with your time in zone, average BPM, max BPM, and a full breakdown of time spent below, in, and above your target zone. Built for serious training Zone 1 through Zone 5. Dark mode. Share your session summary. Designed to be readable at arm's length mid-workout. ZoneLock is free to download and free to train with. Pro unlocks full session history, session stats and trends, and ZoneSignal readiness scoring. ZoneLock Pro — auto-renewable subscription • Monthly: $2.99 per month • Annual: $19.99 per year Each plan begins with a 7-day free trial. Payment is charged to your Apple Account at confirmation of purchase. Subscriptions renew automatically unless auto-renew is turned off at least 24 hours before the end of the current period. Manage or cancel anytime in your iPhone Settings. Privacy Policy: https://zonelock.app/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Intimacy Tracker4 screens
ZoneLock4 screens

Verdict

The call

The clearest difference is update cadence: ZoneLock at every 9 days against Intimacy Tracker's every 2 months. ZoneLock also leads on device support (4 vs 2) and iOS requirement (15.0 vs 17.0). On price, ads and in-app purchases 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. Intimacy Tracker sells 3 in-app purchases, starting at $6.99 per month and ZoneLock sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Intimacy Tracker ships an update every 2 months, ZoneLock every 9 days. The most recent releases landed on October 2, 2026 and October 7, 2026 respectively.

Scorecard3 real differences · 6 level
Intimacy Tracker versus ZoneLock: the parameters behind the verdict, then further details
ParameterIntimacy TrackerZoneLock
PriceFreeFree
Rating4.6 (5 ratings) — better—
Number of ratings5 — better—
Update frequencyEvery 2 monthsEvery 9 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPadiPhone, iPad, iPod, Apple Watch — better
Requires iOS17.015.0 — better
Further details — not scored
Size40 MB11 MB
Age rating17+4+
DeveloperDrobinin LimitedVishesh Bhardwaj

In-app purchases

3 purchases

Intimacy Tracker

Subscriptions2
  • Silk Monthly$6.991 Month
  • Silk Annual7 Days trial$49.991 Year
One-time1
  • Silk Lifetime$110.99
2 purchases

ZoneLock

Subscriptions2
  • ZoneLock Pro Monthly7 Days trial$2.991 Month
  • ZoneLock Pro Yearly7 Days trial$19.991 Year

Questions

Is Intimacy Tracker free?
Intimacy Tracker is free to download, with in-app purchases available.
Is ZoneLock free?
ZoneLock is free to download, with in-app purchases available.
Do Intimacy Tracker or ZoneLock have ads?
Neither Intimacy Tracker nor ZoneLock shows ads.
Which is updated more often, Intimacy Tracker or ZoneLock?
Intimacy Tracker ships an update every 2 months, and ZoneLock every 9 days. Most recently, Intimacy Tracker was updated on October 2, 2026 and ZoneLock on October 7, 2026.

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