# Synapse Notes vs AI Brief

The clearest difference is in-app purchases: Synapse Notes at none against AI Brief's 1. Synapse Notes also leads on update cadence (every 2 days vs every 10 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. AI Brief sells 1 one-off in-app purchase. Synapse Notes asks for nothing beyond the download.

Synapse Notes ships an update every 2 days, AI Brief every 10 days. The most recent releases landed on November 9, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Synapse Notes | AI Brief |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 10 days |
| Size | 8 MB | 9 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Can Ahmet Ozguven](https://appshunter.io/developer/1860802261) | [Guan Feng Lai](https://appshunter.io/developer/1136144960) |

## What reviewers say

### Synapse Notes

[App page](https://appshunter.io/ios/app/synapse-notes/id6759223987)

**Features:** macOS Compatibility

**In-app purchases:** none


### AI Brief

[App page](https://appshunter.io/ios/app/ai-brief-ai-prompt-from-files/id6791658210)

**Features:** macOS Compatibility, Family Sharing, Vision Pro support, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI Brief Pro | $4.99 | one-time |


## Frequently asked questions

### Is Synapse Notes free?

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

### Is AI Brief free?

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

### Do Synapse Notes or AI Brief have ads?

Neither Synapse Notes nor AI Brief shows ads.

### Which is updated more often, Synapse Notes or AI Brief?

Synapse Notes ships an update every 2 days, and AI Brief every 10 days. Most recently, Synapse Notes was updated on November 9, 2026 and AI Brief on November 8, 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.*