# AAIB Business vs NotiSignal

The clearest difference is in-app purchases: AAIB Business at none against NotiSignal's 1. NotiSignal's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. NotiSignal sells 1 in-app purchase, starting at $2.99 per month. AAIB Business asks for nothing beyond the download.

AAIB Business ships an update every 2 months, NotiSignal every 3 weeks. The most recent releases landed on October 21, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | AAIB Business | NotiSignal |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 105 MB | 56 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [AAIB](https://appshunter.io/developer/1440417748) | [Amir Sidhom](https://appshunter.io/developer/1896746227) |

## What reviewers say

### AAIB Business

[App page](https://appshunter.io/ios/app/aaib-business/id6743755064)

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

**In-app purchases:** none


### NotiSignal

[App page](https://appshunter.io/ios/app/notisignal/id6787036863)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Notifuse Pro | $2.99 | per month |


## Frequently asked questions

### Is AAIB Business free?

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

### Is NotiSignal free?

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

### Do AAIB Business or NotiSignal have ads?

Neither AAIB Business nor NotiSignal shows ads.

### Which is updated more often, AAIB Business or NotiSignal?

AAIB Business ships an update every 2 months, and NotiSignal every 3 weeks. Most recently, AAIB Business was updated on October 21, 2026 and NotiSignal 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.*