# PO!N vs Syn9

The clearest difference is in-app purchases: PO!N at none against Syn9's 6. PO!N also leads on device support (3 vs 1) and iOS requirement (15.1 vs 18.0). Syn9's advantage is ads (none vs shown) and update cadence (every 4 days vs monthly). On price there is nothing between them.

Both are free to download. Syn9 sells 6 in-app purchases, starting at $3.00 per month. PO!N asks for nothing beyond the download.

PO!N ships an update monthly, Syn9 every 4 days. The most recent releases landed on October 11, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | PO!N | Syn9 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 4 days** |
| Size | 53 MB | 57 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Hibiki Tamaki](https://appshunter.io/developer/1615779565) | [Tomohiro Sekikawa](https://appshunter.io/developer/1670259539) |

## What reviewers say

### PO!N

[App page](https://appshunter.io/ios/app/pon-chat-notes-and-quick-memo/id6755642189)

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

**In-app purchases:** none


### Syn9

[App page](https://appshunter.io/ios/app/syn9/id6758545066)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus | $3.00 | per month |
| Max | $6.99 | per month |
| Plus annual | $29.00 | per year |
| Light size | $1.99 | one-time |
| Regular size | $3.99 | one-time |
| Generous size | $7.99 | one-time |


## Frequently asked questions

### Is PO!N free?

PO!N is free to download, with no in-app purchases.

### Is Syn9 free?

Syn9 is free to download, with in-app purchases available.

### Do PO!N or Syn9 have ads?

PO!N shows ads; Syn9 does not.

### Which is updated more often, PO!N or Syn9?

PO!N ships an update monthly, and Syn9 every 4 days. Most recently, PO!N was updated on October 11, 2026 and Syn9 on October 24, 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.*