# tldiagram vs Ledge Notebook

The clearest difference is update cadence: Ledge Notebook at every 4 days against tldiagram's every 2 weeks. tldiagram's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

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

tldiagram ships an update every 2 weeks, Ledge Notebook every 4 days. The most recent releases landed on October 9, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | tldiagram | Ledge Notebook |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Size | 47 MB | 13 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [mert can cikla](https://appshunter.io/developer/1883388188) | [Dan Stevens](https://appshunter.io/developer/6813315784) |

## What reviewers say

### tldiagram

[App page](https://appshunter.io/ios/app/tldiagram/id6760236883)

**Features:** macOS Compatibility

**In-app purchases:** none


### Ledge Notebook

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

**In-app purchases:** none


## Frequently asked questions

### Is tldiagram free?

tldiagram 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 tldiagram or Ledge Notebook have ads?

Neither tldiagram nor Ledge Notebook shows ads.

### Which is updated more often, tldiagram or Ledge Notebook?

tldiagram ships an update every 2 weeks, and Ledge Notebook every 4 days. Most recently, tldiagram was updated on October 9, 2026 and Ledge Notebook on October 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*