# FullBrief vs a1mobile

The clearest difference is in-app purchases: a1mobile at none against FullBrief's 3. a1mobile also leads on update cadence (every 4 days vs every 9 days) and iOS requirement (15.0 vs 18.5). On price, ads and device support there is nothing between them.

Both are free to download. FullBrief sells 3 in-app purchases, starting at $12.99 per month. a1mobile asks for nothing beyond the download.

FullBrief ships an update every 9 days, a1mobile every 4 days. Both last shipped on October 10, 2026.

## The numbers

| Metric | FullBrief | a1mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/a1mobile/id6775540395/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 4 days** |
| Monetization | — | Free |
| Size | 10 MB | 79 MB |
| Requires iOS | 18.5 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Michael Ogundare](https://appshunter.io/developer/1779989906) | [A1 AI Inc.](https://appshunter.io/developer/6775540397) |

## What reviewers say

### FullBrief

[App page](https://appshunter.io/ios/app/fullbrief/id6751007488)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Personal Plan - Monthly | $12.99 | per month |
| FullBrief Monthly | $29.99 | per month |
| FullBrief Annual | $299.99 | per year |


### a1mobile

[App page](https://appshunter.io/ios/app/a1mobile/id6775540395)

This AI-powered business phone system handles incoming calls and text messages 24/7. It ensures prompt, professional customer responses, manages conversations, and can even take reservations or appointments, freeing up your team.

**Highlights:** AI call answering, Automated text message replies, Unified conversation inbox, Call transfer to team, Reservation and appointment booking, Multi-language support, Customizable AI assistant

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

**In-app purchases:** none


## Frequently asked questions

### Is FullBrief free?

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

### Is a1mobile free?

a1mobile is free to download, with no in-app purchases.

### Do FullBrief or a1mobile have ads?

Neither FullBrief nor a1mobile shows ads.

### Which is updated more often, FullBrief or a1mobile?

FullBrief ships an update every 9 days, and a1mobile every 4 days. Most recently, FullBrief was updated on October 10, 2026 and a1mobile on October 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.*