KnowMusic vs Salt Player
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KnowMusic
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Music, with atmosphere. Connect your Apple Music to synchronized lyrics, artwork colors, and an immersive visual experience. Follow each line in a quiet view, or let rain, snow, and fog accompany the music. FREE LISTENING AND LYRICS Browse your Apple Music library and enjoy basic playback controls, synchronized lyrics, and Gentle artwork rendering. Online lyrics are matched by third-party services. Availability, recording-version matching, and synchronization accuracy depend on the song, network, and source. MORE WITH KNOWMUSIC PRO • Lyrics Atmosphere: rain, snow, and fog visuals for your listening moments. • Artwork rendering: Standard, Rich, and Immersive effects. • Daily: discover new music through song selection on your device. • Lyrics Translation: explore the meaning behind the words. • PiP Lyrics: keep lyrics visible while using other apps. • Local LRC Import: use lyrics files you have the right to use. These features require an additional KnowMusic Pro subscription. Translation requires iOS 18 or later and a supported device and language pair. Apple language resources may need to be downloaded. Available lyrics from every source can use on-device translation. Translation availability depends on system support, language pairs, and language resources. APPLE MUSIC REQUIREMENTS Music features require Apple Music authorization. Playback from the Apple Music subscription catalog requires your own eligible, active Apple Music subscription and an Internet connection. KnowMusic Pro and Apple Music are separate subscriptions. Pro does not include an Apple Music subscription or ownership of music content. AUTO-RENEWABLE SUBSCRIPTIONS KnowMusic Pro offers monthly, quarterly (every 3 months), and yearly plans with the same Pro benefits. Prices are shown on the purchase screen. A 7-day introductory free trial is available to users who meet Apple's eligibility requirements for the subscription group. Payment is charged to your Apple account after purchase confirmation. A subscription or trial renews automatically unless canceled at least 24 hours before the current period ends. Renewal is charged within 24 hours before the current period ends. Manage or cancel in your Apple account subscription settings, or restore purchases in Settings > KnowMusic Pro > help menu. Paid benefits remain available until their expiration after cancellation. Privacy Policy: https://knowmusicprivacy.super.site/ Terms of Use (Apple Standard EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Salt Player
Enjoy and organize your personal music collection with this local player. Supports various audio formats and offers features like background playback, queues, and lyrics. Unlock advanced tools like an equalizer and tag editing with an optional Pro subscription.
- Local music playback
- Folder and iCloud Drive import
- Background playback
- Playlist creation
- Lyrics support
- Equalizer (Pro)
- Tag editing (Pro)
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Salt Player is a music player for iPhone and iPad that helps you enjoy and organize your own collection. Bring your music Add a folder from your device or iCloud Drive, transfer audio from a computer on the same local network, or add accessible songs from your system music library. Supported formats include MP3, FLAC, M4A, WAV, APE, Ogg, and Opus. Organize and listen Browse songs, albums, artists, genres, and folders; create playlists; and use search and sorting to find your music. Enjoy background playback, queues, shuffle, repeat, and lyrics. Optional Pro features Local playback, library management, and standard lyrics are free. Pro unlocks Morvanium, the equalizer, tag editing, spectrum animation, iCloud sync, and CarPlay. Tag edits apply only inside Salt Player and do not change the original audio files. Optional iCloud sync keeps supported library information in your own iCloud account; audio and lyric files are not transferred. Choose a monthly or yearly auto-renewable subscription, or a one-time lifetime purchase. Prices and terms are shown in the app. Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. Manage or cancel them in your Apple Account subscription settings. Local playback does not require a Salt Player account or an Apple Music subscription. Bring audio files you are authorized to use; Salt Player does not provide a music-download service. Apple Music catalog matching and eligible playback are optional, use Apple services, and are separate from Salt Player Pro. Terms of Use: https://xuncorp.com/salt/player/terms_of_user_en.html Apple Standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://xuncorp.com/salt/player/privacy_policy_en.html
Screenshots
Verdict
KnowMusic and Salt Player are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. KnowMusic sells 3 in-app purchases, starting at $1.99 per month and Salt Player sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.
KnowMusic ships an update every 2 days, Salt Player every 3 days. The most recent releases landed on November 10, 2026 and November 12, 2026 respectively.
| Parameter | KnowMusic | Salt Player |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (4 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 4 — better |
| Update frequency | Every 2 days — better | Every 3 days |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Freemium |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 256 MB | 94 MB |
| Age rating | 12+ | 4+ |
| Developer | 炳旭 郭 | Xunxun Technology (Shanghai) Co., Ltd. |
In-app purchases
KnowMusic
- KnowMusic Pro Monthly7 Days trial$1.991 Month
- KnowMusic Pro Quarterly7 Days trial$2.993 Months
- KnowMusic Pro Yearly7 Days trial$5.991 Year
Salt Player
- Pro Monthly$0.991 Month
- Pro Yearly$6.991 Year
- Pro Lifetime$12.49





