Silk
Comparison
Silk vs HookBook
HookBook is a partner album with PrEP and screening reminders. Silk is a quiet log of moments, mood and patterns.
Layered
Silk on iPhone
Date night
Facts checked on 11 November 2026.
The short answer
Silk is a day-to-day log of moments, mood and patterns, with widgets that give nothing away. HookBook is a partner album and sexual health journal for people who date.
Pick Silk if
- You want to log a relationship day to day, moods included.
- You want Home Screen widgets that read as a habit tracker.
- You want patterns: your rhythm across the week and over the months.
Side by side
| Silk | HookBook | |
|---|---|---|
| Built for | people who want a private record of their intimate life, with one partner, several or solo | adults who date and want partners, protection, PrEP and screenings in one record |
| Where it runs | iPhone, on your device with no account | iPhone and iPad, in 7 languages |
| Outside the app | widgets that read as a habit tracker, with a one-tap log and a Control Centre button | calendar views and an insight map inside the app |
| What you log | moments from holding hands to a date night, with mood, notes, protection and STI tests | partners and encounters, protection, PrEP, DoxyPEP, STI screenings, photos and videos |
| How you pay | free with one partner and a 30 day history; Premium is an annual or monthly subscription | HookBook Plus, bought in the app |
What Silk is
Silk is a private intimacy and relationship tracker for iPhone. It logs every kind of closeness in one tap, shows your rhythm and patterns over time, and puts widgets on your Home Screen that read as a habit tracker.
What HookBook is
HookBook is a private sex tracker, dating calendar and sexual health journal for iPhone and iPad. It keeps partner albums of photos and videos, and tracks protection, PrEP, DoxyPEP and STI screenings with reminders.
Questions
Is Silk a good alternative to HookBook?
Yes, if you want a log of closeness as a whole, with Home Screen widgets that read as a habit tracker. Silk is a day-to-day log of moments, mood and patterns, with widgets that give nothing away. HookBook is a partner album and sexual health journal for people who date.
What is the difference between Silk and HookBook?
Silk is built for people who want a private record of their intimate life, with one partner, several or solo. HookBook is built for adults who date and want partners, protection, PrEP and screenings in one record.
How is Silk sold compared with HookBook?
Silk: free with one partner and a 30 day history; Premium is an annual or monthly subscription. HookBook: HookBook Plus, bought in the app.
More comparisons
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We make Silk. What we say about HookBook comes from its own pages, read on 11 November 2026: HookBook on the App Store. Spotted a mistake? Write to support@silkbetweenus.com. HookBook belongs to its owner, and Silk is not affiliated with it.
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