# Sanrizz vs BlckBx

The clearest difference is update cadence: BlckBx at monthly against Sanrizz's every 9 months. Sanrizz's advantage is iOS requirement (13.4 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Sanrizz ships an update every 9 months, BlckBx monthly. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Sanrizz | BlckBx |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 88.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Monthly** |
| Monetization | — | Free |
| Size | 35 MB | 39 MB |
| Requires iOS | **13.4** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Sanrizz](https://appshunter.io/developer/1570260665) | [BlckBx Ltd](https://appshunter.io/developer/1726909065) |

## What reviewers say

### Sanrizz

[App page](https://appshunter.io/ios/app/sanrizz/id1570260663)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### BlckBx

[App page](https://appshunter.io/ios/app/blckbx/id6476492111)

This app acts as a personal assistant for managing life's administrative tasks. It handles everything from reminders and gift buying to booking travel and sorting out household bills, freeing up your time for more enjoyable activities.

**Highlights:** Task management, Gift reminders and purchasing, Holiday planning and booking, Household admin support, Wellbeing planning, Childcare and school task assistance, Social event organization

**In-app purchases:** none


## Frequently asked questions

### Is Sanrizz free?

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

### Is BlckBx free?

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

### Do Sanrizz or BlckBx have ads?

Neither Sanrizz nor BlckBx shows ads.

### Which is updated more often, Sanrizz or BlckBx?

Sanrizz ships an update every 9 months, and BlckBx monthly. Most recently, Sanrizz was updated on October 30, 2026 and BlckBx on October 24, 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.*