# Moo FM vs CrankMelody

The clearest difference is review sentiment: Moo FM at 67% against CrankMelody's 17%. Moo FM also leads on price (Free vs $0.99). CrankMelody's advantage is in-app purchases (none vs 1) and iOS requirement (11.0 vs 14.0). On update cadence, ads and device support there is nothing between them.

Moo FM is free to download; CrankMelody costs $0.99 up front. Moo FM sells 1 one-off in-app purchase. CrankMelody asks for nothing beyond the download.

Moo FM ships an update every 4 weeks, CrankMelody monthly. The most recent releases landed on August 21, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Moo FM | CrankMelody |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.4 (5 ratings)](https://appshunter.io/ios/app/moo-fm/id1609198119/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | **66.7% of reviews** | 17.4% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Monthly |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 275 MB | 53 MB |
| Requires iOS | 14.0 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Hunan 1MHz Technology Co., Ltd.](https://appshunter.io/developer/1501646722) | [Funsora LIMITED](https://appshunter.io/developer/1182878500) |

## What reviewers say

### Moo FM

[App page](https://appshunter.io/ios/app/moo-fm/id1609198119)

This app provides music for focus, sleep, relaxation, and inspiration. It features animations, looping options for songs or playlists, and a sleep timer for bedtime use.

**Highlights:** Music for focus, Music for sleep, Relaxation music, Inspirational music, Animated visuals, Playlist looping, Sleep timer

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Moo Pro Lifetime | $2.99 | one-time |


### CrankMelody

[App page](https://appshunter.io/ios/app/crankmelody/id6444745115)

Experience a tranquil musical journey with this app. Rotate the crown to activate a mesmerizing music box, filling your surroundings with peaceful melodies and comforting atmospheres. It's designed to help you unwind and find solace.

**Highlights:** Interactive music box animation, Peaceful and comforting melodies, Dreamlike atmosphere creation, Crown rotation for operation, Themed music box scenes

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

**In-app purchases:** none


## Frequently asked questions

### Is Moo FM free?

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

### Is CrankMelody free?

CrankMelody costs $0.99, with no in-app purchases.

### Do Moo FM or CrankMelody have ads?

Neither Moo FM nor CrankMelody shows ads.

### Which is updated more often, Moo FM or CrankMelody?

Moo FM ships an update every 4 weeks, and CrankMelody monthly. Most recently, Moo FM was updated on August 21, 2026 and CrankMelody on September 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.*