# B2B OLD vs BlueNotify

The clearest difference is iOS requirement: BlueNotify at 12.0 against B2B OLD's 16.4. On price, update cadence, 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.

B2B OLD ships an update monthly, BlueNotify fortnightly. The most recent releases landed on September 7, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | B2B OLD | BlueNotify |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (28 ratings)](https://appshunter.io/ios/app/bluenotify/id6738239349/reviews)** |
| Number of ratings | — | **28** |
| Positive reviews | — | 85.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | — | Free |
| Size | 65 MB | 39 MB |
| Requires iOS | 16.4 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Change Promotions](https://appshunter.io/developer/1639846523) | [Austin Joseph Witherspoon](https://appshunter.io/developer/1779850749) |

## What reviewers say

### B2B OLD

[App page](https://appshunter.io/ios/app/b2b-old/id6444623495)

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

**In-app purchases:** none


### BlueNotify

[App page](https://appshunter.io/ios/app/bluenotify/id6738239349)

Receive instant push notifications whenever individuals you follow on Bluesky publish new content. This service operates without requiring your password, ensuring a secure and convenient way to stay updated.

**Highlights:** Push notifications for new posts, Follower-specific alerts, No password required, Real-time updates

**In-app purchases:** none


## Frequently asked questions

### Is B2B OLD free?

B2B OLD is free to download, with no in-app purchases.

### Is BlueNotify free?

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

### Do B2B OLD or BlueNotify have ads?

Neither B2B OLD nor BlueNotify shows ads.

### Which is updated more often, B2B OLD or BlueNotify?

B2B OLD ships an update monthly, and BlueNotify fortnightly. Most recently, B2B OLD was updated on September 7, 2026 and BlueNotify on June 1, 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.*