# A4A vs CallHarbor Messenger

The clearest difference is update cadence: A4A at every 6 months against CallHarbor Messenger's every 17 months. 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.

A4A ships an update every 6 months, CallHarbor Messenger every 17 months. The most recent releases landed on October 10, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | A4A | CallHarbor Messenger |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/callharbor-messenger/id6740438233/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 17 months |
| Monetization | — | Free |
| Size | 25 MB | 52 MB |
| Requires iOS | 15.1 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [A4A Designs, LLC](https://appshunter.io/developer/1611096205) | [Active Solutions Group, Inc.](https://appshunter.io/developer/1222134241) |

## What reviewers say

### A4A

[App page](https://appshunter.io/ios/app/a4a/id1611096203)

**Features:** macOS Compatibility

**In-app purchases:** none


### CallHarbor Messenger

[App page](https://appshunter.io/ios/app/callharbor-messenger/id6740438233)

Send and receive text and picture messages using your dedicated business phone number. Access your conversations from multiple devices and allow your team to manage incoming messages from a single business number.

**Highlights:** Send/receive texts from business number, Supports picture messages, Use on multiple devices, Web browser access, Team access to shared numbers

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is A4A free?

A4A is free to download, with no in-app purchases.

### Is CallHarbor Messenger free?

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

### Do A4A or CallHarbor Messenger have ads?

Neither A4A nor CallHarbor Messenger shows ads.

### Which is updated more often, A4A or CallHarbor Messenger?

A4A ships an update every 6 months, and CallHarbor Messenger every 17 months. Most recently, A4A was updated on October 10, 2026 and CallHarbor Messenger on September 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.*