# Fasting Window vs Moonrise

The clearest difference is in-app purchases: Fasting Window at none against Moonrise's 2. Fasting Window also leads on iOS requirement (13.0 vs 26.0). Moonrise's advantage is update cadence (monthly vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Moonrise sells 2 in-app purchases, starting at $29.99 per year. Fasting Window asks for nothing beyond the download.

Fasting Window ships an update every 2 months, Moonrise monthly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Fasting Window | Moonrise |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/moonrise-sleep-debt-tracker/id6793289254/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | — | Freemium |
| Size | 21 MB | 22 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [HeungYeol Kim](https://appshunter.io/developer/1878087341) | [Clearforge Software LLC](https://appshunter.io/developer/1890532808) |

## What reviewers say

### Fasting Window

[App page](https://appshunter.io/ios/app/fasting-window-if-timer/id6774622599)

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

**In-app purchases:** none


### Moonrise

[App page](https://appshunter.io/ios/app/moonrise-sleep-debt-tracker/id6793289254)

Understand your sleep patterns with a nightly score, estimated sleep debt, and sleep stage analysis. Track habits, set smart alarms, and gain on-device insights from your Apple Health data or manual logs.

**Highlights:** Nightly sleep score, Estimated sleep debt, Sleep stage analysis, Smart wake alarm, Habit tracking, On-device data processing, CSV export

**Features:** Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Moonrise Annual | $29.99 | per year |
| Moonrise: Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is Fasting Window free?

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

### Is Moonrise free?

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

### Do Fasting Window or Moonrise have ads?

Neither Fasting Window nor Moonrise shows ads.

### Which is updated more often, Fasting Window or Moonrise?

Fasting Window ships an update every 2 months, and Moonrise monthly. Most recently, Fasting Window was updated on October 24, 2026 and Moonrise on October 25, 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.*