# Semaphore Remote vs Ledge Notebook

The clearest difference is iOS requirement: Ledge Notebook at 17.0 against Semaphore Remote's 26.5. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Semaphore Remote ships an update every 3 days, Ledge Notebook every 4 days. The most recent releases landed on October 13, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Semaphore Remote | Ledge Notebook |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 4 days |
| Size | 9 MB | 13 MB |
| Requires iOS | 26.5 | **17.0** |
| Devices | iPhone, Apple Watch | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Alessandro Iannacone](https://appshunter.io/developer/1896629136) | [Dan Stevens](https://appshunter.io/developer/6813315784) |

## What reviewers say

### Semaphore Remote

[App page](https://appshunter.io/ios/app/semaphore-remote/id6782102335)

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

**In-app purchases:** none


### Ledge Notebook

[App page](https://appshunter.io/ios/app/ledge-notebook/id6813315782)

**In-app purchases:** none


## Frequently asked questions

### Is Semaphore Remote free?

Semaphore Remote is free to download, with no in-app purchases.

### Is Ledge Notebook free?

Ledge Notebook is free to download, with no in-app purchases.

### Do Semaphore Remote or Ledge Notebook have ads?

Neither Semaphore Remote nor Ledge Notebook shows ads.

### Which is updated more often, Semaphore Remote or Ledge Notebook?

Semaphore Remote ships an update every 3 days, and Ledge Notebook every 4 days. Most recently, Semaphore Remote was updated on October 13, 2026 and Ledge Notebook on October 3, 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.*