# FluidmasterTronic vs Hook

The clearest difference is in-app purchases: FluidmasterTronic at none against Hook's 3. FluidmasterTronic also leads on iOS requirement (12.0 vs 18.0). Hook's advantage is update cadence (every 2 months vs every 9 months). On price, ads and device support there is nothing between them.

Both are free to download. Hook sells 3 in-app purchases, starting at $3.99 per month. FluidmasterTronic asks for nothing beyond the download.

FluidmasterTronic ships an update every 9 months, Hook every 2 months. The most recent releases landed on October 10, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | FluidmasterTronic | Hook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (5 ratings)](https://appshunter.io/ios/app/hook-intimacy-tracker/id6765845692/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 2 months** |
| Monetization | — | Freemium |
| Size | 13 MB | 78 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Alflex Technologies](https://appshunter.io/developer/1063282061) | [Andre Suhartanto](https://appshunter.io/developer/1824125348) |

## What reviewers say

### FluidmasterTronic

[App page](https://appshunter.io/ios/app/fluidmastertronic/id6476385525)

**In-app purchases:** none


### Hook

[App page](https://appshunter.io/ios/app/hook-intimacy-tracker/id6765845692)

A private journal for your intimate life, keeping all entries securely on your device. Track partners, moods, locations, and protection details to gain insights into your personal story. Optional iCloud backup and STI test reminders are available.

**Highlights:** Private intimacy journal, On-device data storage, Partner profiles, Mood and location tracking, Protection and notes, Visual insights and patterns, Optional iCloud backup

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $3.99 | per month |
| Yearly | $14.99 | per year |
| Lifetime | $24.99 | one-time |


## Frequently asked questions

### Is FluidmasterTronic free?

FluidmasterTronic is free to download, with no in-app purchases.

### Is Hook free?

Hook is free to download, with in-app purchases available.

### Do FluidmasterTronic or Hook have ads?

Neither FluidmasterTronic nor Hook shows ads.

### Which is updated more often, FluidmasterTronic or Hook?

FluidmasterTronic ships an update every 9 months, and Hook every 2 months. Most recently, FluidmasterTronic was updated on October 10, 2026 and Hook on October 25, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*