SolPlayer vs NightCore Player
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SolPlayer
Transform your favorite music into Solfeggio sound sources. This app allows you to play music, create playlists, and adjust playback speed. It also features a unique Solfeggio mode to convert audio to specific healing frequencies.
- Music playback with repeat and resume
- Background audio playback
- Adjustable playback speed (0.1x to 8.0x)
- Playlist creation and editing
- Solfeggio mode with frequency conversion
- Two Solfeggio conversion types available
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あなたの好きな曲をソルフェジオ音源に。 あなたが普段聴いているのはどんな曲ですか? あなたの好きな曲のジャンルは? 「ヒーリング」「瞑想音楽」「クラシック」… このように、「人の身体や精神を癒やす、高める」音楽もあれば、 「J-POP」「ロック」「演歌」… このようなジャンルの音楽がすきな方もいらっしゃるでしょう。 人の好みは、人それぞれ。 だからこそ、あなたの好きな音楽を… 「人の身体や精神を癒やし、高める」効果を持つ ソルフェジオ音源(528Hz)に変えてしまいましょう! 【機能】 1.音楽再生機能 「再生」「リピート(一曲リピート・全曲リピート)」「指定位置から再生」等、一般的な音楽プレイヤーとしての機能を搭載しています。 2.バックグラウンド再生 他のアプリを使いながら、あるいはiPhoneの画面をオフにした状態で音楽を聴くことができます。 3.再生速度変更 再生スピードを0.1〜8.0倍に変更できます。リアルタイムに、高い音質のままスピードを変えられます。速聴などにどうぞ。 4.プレイリスト作成・編集 このアプリで再生する音源のプレイリストを作成・編集することが出来ます。 5.ソルフェジオモード このアプリの肝です。このプレイヤーで流せる音源すべてをソルフェジオ化することができます。ON/OFF切り替えの他、「設定」からソルフェジオ化の種類を選ぶことが出来ます。(2016/6/27現在:2種類) Ver1: 440Hzを444Hz(C:528Hz)に変換 Ver2: 440Hzを432Hzに変換 ※すでにソルフェジオ化されている音源には使用しないでください。本来の効果が半減する可能性があります。 【注意点】 ・ヘッドフォンを抜し差しした際は、安全のためプレイヤーを「停止」する仕様となっております。 ・音量変更はiPhoneのボタンで行ってください。(音量にはご注意ください)
NightCore Player
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Play your favorite songs at the tempo you want. No downloads required. Have you ever thought, "This song would be perfect if it were just a little faster"? Most playback speed apps can only change the speed of songs stored on your device. NightCore Player connects directly to Apple Music, so you can enjoy over 100 million songs at the pace that feels right to you. You can also play your Apple Music playlists at a custom speed. Enjoy your favorite playlists in a full Nightcore-style session, or slow things down for practice and focus. Key features: - Fine-grained playback speed control in 0.01x steps - Supports fast Nightcore-style playback and slower listening - Play Apple Music playlists at custom speed - Song search, playback queue, and play history - Shuffle and repeat support Great for: - Nightcore fans who want to hear any song faster - Focus sessions with more energetic background music - Language study, dance practice, and timing exercises - Rediscovering your favorite tracks at a new tempo Turn the songs you already love into a new listening experience. Apple Music subscription required.
Screenshots
Verdict
The clearest difference is ads: SolPlayer at none against NightCore Player's shown. SolPlayer also leads on update cadence (every 3 weeks vs every 5 months) and iOS requirement (15.6 vs 17.0). On price, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
SolPlayer ships an update every 3 weeks, NightCore Player every 5 months. The most recent releases landed on October 5, 2026 and October 10, 2026 respectively.
| Parameter | SolPlayer | NightCore Player |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) — better | — |
| Positive reviews | 57.1% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 weeks — better | Every 5 months |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 3 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | Naoya Morioka | Ryuichiro Mizutani |
In-app purchases
SolPlayer
No in-app purchases
NightCore Player
No in-app purchases









