# urroster vs BlackBook

urroster and BlackBook are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. urroster sells 4 in-app purchases, starting at $0.99 per 7 days and BlackBook sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 5 days. The most recent releases landed on November 9, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | urroster | BlackBook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/urroster/id6767789122/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | Every 5 days |
| Monetization | Freemium | — |
| Size | 24 MB | 16 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Komla Evu](https://appshunter.io/developer/1896508911) | [KYLE AUSTIN PRIESS](https://appshunter.io/developer/6784800323) |

## What reviewers say

### urroster

[App page](https://appshunter.io/ios/app/urroster/id6767789122)

This app helps you privately track your social interactions and relationships. It analyzes patterns to reveal who is investing effort and where connections are heading. Features include live health scores, an AI advisor, and compatibility metrics.

**Highlights:** Private interaction logging, Live health scores, AI relationship advisor, Compatibility scores, Behavioral pattern analysis, Tonight mode for planning

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $0.99 | per 7 days |
| urroster Pro (monthly) | $2.99 | per month |
| Pro Annual | $19.99 | per year |
| urroster Pro Lifetime | $39.99 | one-time |


### BlackBook

[App page](https://appshunter.io/ios/app/blackbook-dating-journal/id6784800321)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BlackBook Pro | $4.99 | per month |
| BlackBook Pro | $39.99 | per year |


## Frequently asked questions

### Is urroster free?

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

### Is BlackBook free?

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

### Do urroster or BlackBook have ads?

Neither urroster nor BlackBook shows ads.

### Which is updated more often, urroster or BlackBook?

urroster ships an update every 5 days, and BlackBook every 5 days. Most recently, urroster was updated on November 9, 2026 and BlackBook on November 10, 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.*