Comparison

カラオケ music box k|曲や歌が歌える音楽アプリ vs Spot Diff Creator with AI

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

カラオケ music box k|曲や歌が歌える音楽アプリ

This app helps you expand your karaoke repertoire with background playback and practice tools. Discover new hits, create playlists, and even find vocal-less tracks to improve your singing.

Highlights
  • Background playback for practice
  • Learn latest popular songs
  • Create song playlists
  • Find vocal-less karaoke tracks
  • Watch singing improvement videos
  • Adjust playback speed
Features
Read full description

カラオケアプリの決定版! バックグラウンド再生でカラオケのレパートリーを増やせる!覚えられる! 「カラオケが好きだけど、いつも歌うのは同じ曲ばかり…」 「いざカラオケに行くと、あんなに歌いたかった曲が思い出せない…」 「最近の流行り曲を覚えたい」 「もっとうまく歌えるようになりたい」 カラオケ music box kなら… ・最新の人気曲をまとめて覚えられる! ・カラオケで人気の曲もまとめてチェック1 ・プレイリスト機能で次のカラオケで歌いたいリストもカンタン作成! ・バックグラウンド再生で、通勤通学中にレパートリーを増やせる! ・ボーカルなしのカラオケ音源も探せる! ・カラオケ上達法も動画で見られる! ・再生速度が変えられる!好きな速度で練習もできる カラオケの練習、持ち歌増やしにピッタリな機能が満載の音楽プレイヤーです! カラオケ music box kで、カラオケをもっと楽しもう!

About

Spot Diff Creator with AI

Features
Read full description

Turn any photo into a one-of-a-kind spot the difference puzzle. Pick your favorite photo, and let AI create clever differences for you. Share your puzzles with friends and family, and challenge them to find every last one. --- When to Use It --- - Make a puzzle from a family photo for game night - Surprise a friend with a personalized challenge - Turn vacation memories into playable puzzles - Create fun puzzles from pet photos - Give your brain a workout with your own custom puzzles --- Key Features --- - AI-Powered Difference Creation Just tap where you want a change and tell the AI what to do. "Change the flower color," "add a bird," "remove the hat" -- the AI handles the rest, blending changes naturally into your photo. - Batch Generation Mode Mark multiple spots at once, describe what you want changed at each location, and generate all differences in a single tap. Create polished puzzles in seconds. - Hand-Drawn Editing Prefer a personal touch? Use brushes and erasers to draw your own differences by hand. Mix AI and hand-drawn edits for the perfect puzzle. - Easy Sharing Export your finished puzzle. Send it via messages, social media. Challenge your friends: "How many can you find?" --- How It Works --- 1. Choose a photo 2. Tap where you want differences 3. Tell the AI what to change (e.g., "make it blue") 4. Save and share your puzzle That is all it takes to create your very own original spot the difference puzzle. --- Free to Enjoy --- Ready to turn your photos into puzzles? * AI image editing requires an internet connection. * Some features require watching an ad or using points.

Screenshots

カラオケ music box k|曲や歌が歌える音楽アプリ3 screens
Spot Diff Creator with AI3 screens

Verdict

The call

The clearest difference is rating: カラオケ music box k|曲や歌が歌える音楽アプリ at 4.5 against Spot Diff Creator with AI's 3.0. カラオケ music box k|曲や歌が歌える音楽アプリ also leads on in-app purchases (none vs 4) and ratings volume (4 vs 1). Spot Diff Creator with AI's advantage is update cadence (every 2 days vs every 54 months). On price, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Spot Diff Creator with AI sells 4 one-off in-app purchases. カラオケ music box k|曲や歌が歌える音楽アプリ asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

カラオケ music box k|曲や歌が歌える音楽アプリ holds the better App Store score, 4.5 against 3.0. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

UpkeepUpdate frequency

カラオケ music box k|曲や歌が歌える音楽アプリ ships an update every 54 months, Spot Diff Creator with AI every 2 days. The most recent releases landed on November 1, 2026 and November 5, 2026 respectively.

Scorecard5 real differences · 5 level
カラオケ music box k|曲や歌が歌える音楽アプリ versus Spot Diff Creator with AI: the parameters behind the verdict, then further details
Parameterカラオケ music box k|曲や歌が歌える音楽アプリSpot Diff Creator with AI
PriceFreeFree
Rating4.5 (4 ratings) — better3.0 (1 ratings)
Positive reviews70.6% of reviews—
Number of ratings4 — better1
Update frequencyEvery 54 monthsEvery 2 days — better
AdsYesYes
In-app purchasesNo — betterYes
MonetizationAd-supported—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better18.5
Further details — not scored
Size38 MB19 MB
Age rating17+4+
DeveloperYuki KodamaYuto Inagaki

In-app purchases

None

カラオケ music box k|曲や歌が歌える音楽アプリ

No in-app purchases

4 purchases

Spot Diff Creator with AI

One-time4
  • 5 points$0.49
  • 15 points$1.99
  • 35 points$3.99
Show 1 more
  • 80 points$5.99

Questions

Is カラオケ music box k|曲や歌が歌える音楽アプリ free?
カラオケ music box k|曲や歌が歌える音楽アプリ is free to download, with no in-app purchases.
Is Spot Diff Creator with AI free?
Spot Diff Creator with AI is free to download, with in-app purchases available.
Which has better reviews, カラオケ music box k|曲や歌が歌える音楽アプリ or Spot Diff Creator with AI?
カラオケ music box k|曲や歌が歌える音楽アプリ is rated higher. カラオケ music box k|曲や歌が歌える音楽アプリ averages 4.5 out of 5 from 4 ratings, while Spot Diff Creator with AI averages 3.0 from 1 ratings.
Do カラオケ music box k|曲や歌が歌える音楽アプリ or Spot Diff Creator with AI have ads?
Both カラオケ music box k|曲や歌が歌える音楽アプリ and Spot Diff Creator with AI show ads.
Which is updated more often, カラオケ music box k|曲や歌が歌える音楽アプリ or Spot Diff Creator with AI?
カラオケ music box k|曲や歌が歌える音楽アプリ ships an update every 54 months, and Spot Diff Creator with AI every 2 days. Most recently, カラオケ music box k|曲や歌が歌える音楽アプリ was updated on November 1, 2026 and Spot Diff Creator with AI on November 5, 2026.

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