# Fasting Notebook vs Fasting Signal

The clearest difference is in-app purchases: Fasting Notebook at none against Fasting Signal's 8. Fasting Notebook also leads on ads (none vs shown) and update cadence (daily vs fortnightly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Fasting Signal sells 8 one-off in-app purchases. Fasting Notebook asks for nothing beyond the download.

Fasting Notebook ships an update daily, Fasting Signal fortnightly. The most recent releases landed on November 13, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Fasting Notebook | Fasting Signal |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Daily** | Fortnightly |
| Size | 29 MB | 43 MB |
| Requires iOS | 15.5 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Hyunjin Jang](https://appshunter.io/developer/6814767316) | [Meongmungi](https://appshunter.io/developer/6816377431) |

## What reviewers say

### Fasting Notebook

[App page](https://appshunter.io/ios/app/fasting-notebook/id6818532649)

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

**In-app purchases:** none


### Fasting Signal

[App page](https://appshunter.io/ios/app/fasting-signal-phase-timer/id6820969165)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| New Year Hanbok | $1.99 | one-time |
| Santa | $1.99 | one-time |
| Yellow Raincoat | $1.99 | one-time |
| Tracksuit | $1.99 | one-time |
| Pajamas | $1.99 | one-time |
| Friends - Darami | $1.99 | one-time |
| Friends - Dalto | $1.99 | one-time |
| Remove Ads (Lifetime) | $7.99 | one-time |


## Frequently asked questions

### Is Fasting Notebook free?

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

### Is Fasting Signal free?

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

### Do Fasting Notebook or Fasting Signal have ads?

Fasting Signal shows ads; Fasting Notebook does not.

### Which is updated more often, Fasting Notebook or Fasting Signal?

Fasting Notebook ships an update daily, and Fasting Signal fortnightly. Most recently, Fasting Notebook was updated on November 13, 2026 and Fasting Signal on November 6, 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.*