Matby vs Song Bottle
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Matby
Read full descriptionHide full description
How to Use: 1. First, create your own unique key using three emojis. 2. In the Playlists tab, set the URL of your Apple Music or Spotify playlist. 3. Set up your profile in the Me tab (English only). Write something cool! 4. Share your emoji key on your SNS profile, as a keychain, or on stickers. 5. If you see someone interesting with an emoji key in town or online, search for them in the Search tab. 6. If you like their playlist, double-tap on their profile! You can add an emoji stamp (long-press to remove). 7. To avoid forgetting "whose emoji key was this?", you can add notes in the Favorites screen (these are private and not visible to others). 8. When you update your playlist, tap the Notify button. Everyone who has added you to their watchlist will receive a notification.
Song Bottle
Read full descriptionHide full description
Song Bottle Pick one of your favorite songs and send it out to sea—then receive a song from someone somewhere in the world. Song Bottle is a new kind of music exchange app that connects you with strangers through music. ■ How to use Paste the URL of your favorite song Choose a mood tag that fits the song (“night,” “rain,” “walk,” etc.) Send the bottle out to sea That’s it. Someone will pick up your bottle, and in return, their song will be delivered to you. ■ Supported services Supports URLs from YouTube Music, YouTube, Spotify, Apple Music, and SoundCloud. You can share songs directly from the music services you already use. ■ “Drift” mode In addition to instant matching (“Send Now”), you can let your bottle drift at sea with delayed matching. Send a song in the morning and receive one at night, or send one before bed and get one the next day—turn music exchange into a daily habit. You’ll be notified via push notification when it arrives. ■ Mood tags Express the vibe of your song using mood tags. ■ Short message feature Attach a short message (up to 20 characters) to your song. For example: “Listen at night” or “This will cheer you up!” ■ Exchange history Review past exchanges in the app. Look back at songs you sent and received, and enjoy discovering new music. ■ Multilingual support Available in Japanese, English, Korean, Simplified Chinese, and Traditional Chinese. Exchange music with users around the world. ■ Recommended for People who want to discover new music People who want to recommend songs to others People who want a small daily joy ■ Completely free Song Bottle is free to use. No account registration required. Why not send your bottle out to sea today?
Screenshots
Verdict
The clearest difference is ads: Matby at none against Song Bottle's shown. Song Bottle's advantage is iOS requirement (15.1 vs 18.2). 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.
| Parameter | Matby | Song Bottle |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Every 3 days |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 18.2 | 15.1 — better |
| Further details — not scored | ||
| Size | 21 MB | 48 MB |
| Age rating | 4+ | 12+ |
| Developer | Yosuke Wainai | Mitsuru Inada |
In-app purchases
Matby
No in-app purchases
Song Bottle
No in-app purchases









