# Watch Notes | Sync Your Docs vs idX

The clearest difference is in-app purchases: Watch Notes | Sync Your Docs at none against idX's 2. Watch Notes | Sync Your Docs also leads on update cadence (fortnightly vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. idX sells 2 in-app purchases, starting at $4.99 per month. Watch Notes | Sync Your Docs asks for nothing beyond the download.

Watch Notes | Sync Your Docs ships an update fortnightly, idX every 4 months. The most recent releases landed on October 11, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Watch Notes | Sync Your Docs | idX |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 4 months |
| Size | 7 MB | 122 MB |
| Requires iOS | 18.1 | **17** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [CodePro Studios](https://appshunter.io/developer/1448329589) | [Jeffrey Asante](https://appshunter.io/developer/1828441141) |

## What reviewers say

### Watch Notes | Sync Your Docs

[App page](https://appshunter.io/ios/app/watch-notes-sync-your-docs/id6740779369)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### idX

[App page](https://appshunter.io/ios/app/idx-ai-inventory/id6751609886)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| idX Premium Monthly | $4.99 | per month |
| idX Premium Yearly | $49.99 | per year |


## Frequently asked questions

### Is Watch Notes | Sync Your Docs free?

Watch Notes | Sync Your Docs is free to download, with no in-app purchases.

### Is idX free?

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

### Do Watch Notes | Sync Your Docs or idX have ads?

Neither Watch Notes | Sync Your Docs nor idX shows ads.

### Which is updated more often, Watch Notes | Sync Your Docs or idX?

Watch Notes | Sync Your Docs ships an update fortnightly, and idX every 4 months. Most recently, Watch Notes | Sync Your Docs was updated on October 11, 2026 and idX on October 7, 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.*