# 快趣玩AI vs Lyric Replacer

The clearest difference is ads: Lyric Replacer at none against 快趣玩AI's shown. 快趣玩AI's advantage is iOS requirement (12.0 vs 15). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. 快趣玩AI sells 9 in-app purchases, starting at $0.99 per 7 days and Lyric Replacer sells 5 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

快趣玩AI ships an update fortnightly, Lyric Replacer every 9 days. The most recent releases landed on October 25, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | 快趣玩AI | Lyric Replacer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/lyric-replacer-replace-lyrics/id6754182863/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 9 days** |
| Monetization | — | Freemium |
| Size | 48 MB | 26 MB |
| Requires iOS | **12.0** | 15 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Kuaifu (Xiamen) Information Technology Co., Ltd.](https://appshunter.io/developer/1827378602) | [惠丹 黄](https://appshunter.io/developer/1844558501) |

## What reviewers say

### 快趣玩AI

[App page](https://appshunter.io/ios/app/ai-and/id6748784354)

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 快趣玩AI特惠周会员 | $0.99 | per 7 days |
| 快趣玩AI_会员订阅 | $4.99 | per 7 days |
| 快趣玩AI_会员订阅 | $5.99 | per 7 days |
| 快趣玩AI_会员订阅 | $9.99 | per month |
| 快趣玩AI_年会员订购 | $39.99 | per year |
| 快趣玩AI_积分充值 | $0.99 | one-time |
| 快趣玩AI_积分充值 | $4.99 | one-time |
| 快趣玩AI_积分充值 | $9.99 | one-time |
| 快趣玩AI_积分充值 | $39.99 | one-time |


### Lyric Replacer

[App page](https://appshunter.io/ios/app/lyric-replacer-replace-lyrics/id6754182863)

Transform songs with AI. Create AI covers, rewrite lyrics while keeping the melody, or remake entire songs with new vocals and words. Offers tools for vocal separation and melody extraction for a complete music creation workflow.

**Highlights:** AI cover generation, Rewrite lyrics, keep melody, AI lyric assistance, Full song remakes, Vocal separation, Voice-to-MIDI extraction

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lyric Replacer Weekly VIP | $1.99 | per 7 days |
| Lyric Replacer Monthly VIP | $4.99 | per month |
| 80 Credits | $1.99 | one-time |
| 200 Credits | $3.99 | one-time |
| 700 Credits | $7.99 | one-time |


## Frequently asked questions

### Is 快趣玩AI free?

快趣玩AI is free to download, with in-app purchases available.

### Is Lyric Replacer free?

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

### Do 快趣玩AI or Lyric Replacer have ads?

快趣玩AI shows ads; Lyric Replacer does not.

### Which is updated more often, 快趣玩AI or Lyric Replacer?

快趣玩AI ships an update fortnightly, and Lyric Replacer every 9 days. Most recently, 快趣玩AI was updated on October 25, 2026 and Lyric Replacer on October 15, 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.*