# Watch Notes vs OTB Clock

The clearest difference is update cadence: OTB Clock at every 2 weeks against Watch Notes's every 6 weeks. Watch Notes's advantage is iOS requirement (9.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Watch Notes sells 1 one-off in-app purchase and OTB Clock sells 1 in-app purchase, starting at $19.99 per year. Whichever you choose, the download price is not the number that matters.

Watch Notes ships an update every 6 weeks, OTB Clock every 2 weeks. The most recent releases landed on November 1, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Watch Notes | OTB Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (16 ratings)](https://appshunter.io/ios/app/watch-notes-one-two-three/id992333795/reviews)** | — |
| Number of ratings | **16** | — |
| Positive reviews | 47.4% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 4 MB | 1 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [iWare Inc.](https://appshunter.io/developer/720005589) | [杰 向](https://appshunter.io/developer/1860305678) |

## What reviewers say

### Watch Notes

[App page](https://appshunter.io/ios/app/watch-notes-one-two-three/id992333795)

Quickly access important information like train schedules or notes directly from your Apple Watch. Avoid reaching for your iPhone by viewing text, images, and URLs on your wrist. Data syncs seamlessly from your iPhone.

**Highlights:** View notes and images on Apple Watch, Access train timetables, Display website URLs as QR codes, Sync data from iPhone, Action Extension integration, Copy and paste functionality

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock entry limit | $0.99 | one-time |


### OTB Clock

[App page](https://appshunter.io/ios/app/otb-clock/id6762344990)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium — Yearly | $19.99 | per year |


## Frequently asked questions

### Is Watch Notes free?

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

### Is OTB Clock free?

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

### Do Watch Notes or OTB Clock have ads?

Neither Watch Notes nor OTB Clock shows ads.

### Which is updated more often, Watch Notes or OTB Clock?

Watch Notes ships an update every 6 weeks, and OTB Clock every 2 weeks. Most recently, Watch Notes was updated on November 1, 2026 and OTB Clock 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.*