# FullBrief vs Message Summary for Slack

The clearest difference is update cadence: FullBrief at every 9 days against Message Summary for Slack's every 3 months. Message Summary for Slack's advantage is iOS requirement (15.1 vs 18.5). On price, ads, in-app purchases 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 and Message Summary for Slack sells 2 in-app purchases, starting at $12.99 per month. Whichever you choose, the download price is not the number that matters.

FullBrief ships an update every 9 days, Message Summary for Slack every 3 months. The most recent releases landed on October 10, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | FullBrief | Message Summary for Slack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 3 months |
| Size | 10 MB | 30 MB |
| Requires iOS | 18.5 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Michael Ogundare](https://appshunter.io/developer/1779989906) | [Liraz Hadad](https://appshunter.io/developer/1501656086) |

## 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 |


### Message Summary for Slack

[App page](https://appshunter.io/ios/app/message-summary-for-slack/id6757017216)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $12.99 | per month |
| Premium Annual | $119.00 | per year |


## Frequently asked questions

### Is FullBrief free?

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

### Is Message Summary for Slack free?

Message Summary for Slack is free to download, with in-app purchases available.

### Do FullBrief or Message Summary for Slack have ads?

Neither FullBrief nor Message Summary for Slack shows ads.

### Which is updated more often, FullBrief or Message Summary for Slack?

FullBrief ships an update every 9 days, and Message Summary for Slack every 3 months. Most recently, FullBrief was updated on October 10, 2026 and Message Summary for Slack on October 13, 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.*