# 乐火音乐 vs 思密哒 (simidda)

The clearest difference is in-app purchases: 思密哒 (simidda) at none against 乐火音乐's 5. 乐火音乐's advantage is device support (3 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. 乐火音乐 sells 5 one-off in-app purchases. 思密哒 (simidda) asks for nothing beyond the download.

乐火音乐 ships an update every 9 days, 思密哒 (simidda) fortnightly. The most recent releases landed on October 7, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | 乐火音乐 | 思密哒 (simidda) |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 9 days** | Fortnightly |
| Size | 82 MB | 70 MB |
| Requires iOS | **15.6** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [卡潮](https://appshunter.io/developer/1794957601) | [daein](https://appshunter.io/developer/1885451495) |

## What reviewers say

### 乐火音乐

[App page](https://appshunter.io/ios/app/id6760384830)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 6 元 Y 币 | $0.99 | one-time |
| 18 元 Y 币 | $2.99 | one-time |
| 38 元 Y 币 | $4.99 | one-time |
| 68 元 Y 币 | $9.99 | one-time |
| 128 元 Y 币 | $19.99 | one-time |


### 思密哒 (simidda)

[App page](https://appshunter.io/ios/app/simidda/id6760637688)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 乐火音乐 free?

乐火音乐 is free to download, with in-app purchases available.

### Is 思密哒 (simidda) free?

思密哒 (simidda) is free to download, with no in-app purchases.

### Do 乐火音乐 or 思密哒 (simidda) have ads?

Both 乐火音乐 and 思密哒 (simidda) show ads.

### Which is updated more often, 乐火音乐 or 思密哒 (simidda)?

乐火音乐 ships an update every 9 days, and 思密哒 (simidda) fortnightly. Most recently, 乐火音乐 was updated on October 7, 2026 and 思密哒 (simidda) on October 19, 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.*