# KaraFun Box vs Karaoke Sync

The clearest difference is in-app purchases: KaraFun Box at none against Karaoke Sync's 2. KaraFun Box also leads on ads (none vs shown). Karaoke Sync's advantage is update cadence (weekly vs every 5 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Karaoke Sync sells 2 in-app purchases, starting at $0.99 per month. KaraFun Box asks for nothing beyond the download.

KaraFun Box ships an update every 5 weeks, Karaoke Sync weekly. The most recent releases landed on September 17, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | KaraFun Box | Karaoke Sync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (7 ratings)](https://appshunter.io/ios/app/karaoke-sync/id6756337627/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 128 MB | 16 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 12+ |
| Developer | [Recisio](https://appshunter.io/developer/431050677) | [Olivia Renee Studio, LLC](https://appshunter.io/developer/1823917643) |

## What reviewers say

### KaraFun Box

[App page](https://appshunter.io/ios/app/karafun-box/id1594346411)

**In-app purchases:** none


### Karaoke Sync

[App page](https://appshunter.io/ios/app/karaoke-sync/id6756337627)

Transform any song into a karaoke experience with synced lyrics and YouTube videos. Create custom karaoke tracks from audio or videos, test your music knowledge with AI quizzes, and record yourself singing with various voice effects. Export your creations in multiple formats.

**Highlights:** Thousands of synced karaoke songs, Create custom karaoke tracks, AI-powered song quizzes, Real-time voice effects, Record audio and video, Lyric timing and editing, Multiple export formats

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $0.99 | per month |
| Pro Yearly | $5.99 | per year |


## Frequently asked questions

### Is KaraFun Box free?

KaraFun Box is free to download, with no in-app purchases.

### Is Karaoke Sync free?

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

### Do KaraFun Box or Karaoke Sync have ads?

Karaoke Sync shows ads; KaraFun Box does not.

### Which is updated more often, KaraFun Box or Karaoke Sync?

KaraFun Box ships an update every 5 weeks, and Karaoke Sync weekly. Most recently, KaraFun Box was updated on September 17, 2026 and Karaoke Sync on September 18, 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.*