# Handbook X vs Syn9

The clearest difference is update cadence: Syn9 at every 4 days against Handbook X's every 3 weeks. Handbook X's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Handbook X sells 7 in-app purchases, starting at $2.99 per month and Syn9 sells 6 in-app purchases, starting at $3.00 per month. Whichever you choose, the download price is not the number that matters.

Handbook X ships an update every 3 weeks, Syn9 every 4 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Handbook X | Syn9 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Size | 102 MB | 57 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Asteria Technology Pte. Ltd.](https://appshunter.io/developer/1415597643) | [Tomohiro Sekikawa](https://appshunter.io/developer/1670259539) |

## What reviewers say

### Handbook X

[App page](https://appshunter.io/ios/app/handbook-x/id1492871016)

**Features:** Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Handbook X Personal Bronze | $2.99 | per month |
| Handbook X Personal | $2.99 | per month |
| Handbook X Personal Silver | $7.99 | per month |
| Handbook X Personal Gold | $13.49 | per month |
| Handbook X Workgroup Bronze | $27.49 | per month |
| Handbook X Workgroup Silver | $81.99 | per month |
| Handbook X Workgroup Gold | $144.99 | per month |


### 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 Handbook X free?

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

### Is Syn9 free?

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

### Do Handbook X or Syn9 have ads?

Neither Handbook X nor Syn9 shows ads.

### Which is updated more often, Handbook X or Syn9?

Handbook X ships an update every 3 weeks, and Syn9 every 4 days. Most recently, Handbook X was updated on October 25, 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.*