# Blue Post Cross vs Karui Notifications

The clearest difference is update cadence: Karui Notifications at daily against Blue Post Cross's every 9 days. Karui Notifications also leads on ratings volume (4 vs 1). Blue Post Cross's advantage is iOS requirement (17.0 vs 27.0). On price, rating, ads and in-app purchases there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Blue Post Cross against 5.0 for Karui Notifications. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

Blue Post Cross ships an update every 9 days, Karui Notifications daily. The most recent releases landed on October 31, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Blue Post Cross | Karui Notifications |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/blue-post-cross/id6801400267/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/karui-notifications/id6814134614/reviews) |
| Number of ratings | 1 | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 days | **Daily** |
| Monetization | Free | Free |
| Size | 9 MB | 18 MB |
| Requires iOS | **17.0** | 27.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Toshinori Matsui](https://appshunter.io/developer/1870057546) | [Justin Henry Garcia](https://appshunter.io/developer/1833373985) |

## What reviewers say

### Blue Post Cross

[App page](https://appshunter.io/ios/app/blue-post-cross/id6801400267)

Seamlessly share notifications between your iPhone and an Android device. Read alerts from your other phone on your iPhone without needing to retrieve it. You can also send notifications from your iPhone to your Android companion.

**Highlights:** Share notifications between devices, View dismissed notifications, Send notifications from iPhone to Android, Battery level indicator, Last connected location tracking, Bluetooth direct connection

**Features:** iPhone Duo support

**In-app purchases:** none


### Karui Notifications

[App page](https://appshunter.io/ios/app/karui-notifications/id6814134614)

This app intelligently sorts your notifications, silencing spam while ensuring important messages and emergency alerts get through. It offers features like reading unsent messages, automatic replies, and deadline reminders, enhancing your focus and communication.

**Highlights:** Intelligent notification sorting, Spam silencing, Emergency alerts, Read unsent messages, Auto-reply, Deadline reminders, Searchable notification history

**Features:** iPhone Duo support

**In-app purchases:** none


## Frequently asked questions

### Is Blue Post Cross free?

Blue Post Cross is free to download, with no in-app purchases.

### Is Karui Notifications free?

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

### Which has better reviews, Blue Post Cross or Karui Notifications?

Blue Post Cross and Karui Notifications are both rated 5.0 out of 5 on the App Store, from 1 and 4 ratings respectively.

### Do Blue Post Cross or Karui Notifications have ads?

Neither Blue Post Cross nor Karui Notifications shows ads.

### Which is updated more often, Blue Post Cross or Karui Notifications?

Blue Post Cross ships an update every 9 days, and Karui Notifications daily. Most recently, Blue Post Cross was updated on October 31, 2026 and Karui Notifications 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.*