RapMushi vs Boimero
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RapMushi
Become a virtual rapper by rhythmically tapping word panels. Explore DJ Mode with different rhythms, volume control, and record scratching. Add instrumental accompaniments like piano and guitar to create your own tracks.
- Rhythmic word panel tapping
- DJ Mode with A/B rhythms
- Volume control fader
- Record scratching
- Instrumental accompaniments (piano, guitar)
- Track creation
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Rap-mushi is an application that you can feel like a ”Rapper", by pushing the words panel rhythmically. Words are separated in 7 parts. When you press the "Number" panel, it will shift to those several sections. In "DJ MODE", you can choose different rhythms named A and B. You can control the volume by the fader below. Also, you can scratch the Record to have much fun. Not only that. You can add piano, guitar, etc. as an accompany. We wish you to make a lots of wsome tracks!! Tsubasa Naruse
Boimero
Create original songs without singing by arranging notes and lyrics on a piano roll. This app generates AI singing voices using advanced models, allowing for offline music production on your mobile device. It supports various file formats and voicebanks for flexible music creation.
- Intuitive piano roll for melody creation
- Lyric input for individual notes
- Multi-track song building
- Import UTAU, VOICEVOX, MIDI, UST, and MusicXML
- AI singing voice generation with DiffSinger
- Offline voice generation
- Export and share finished audio
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Boimero is a vocal synthesis and music creation app that lets you make original songs without recording your own voice. Simply arrange notes on the piano roll and enter lyrics to generate a singing voice. Whether you are new to songwriting or an experienced creator, Boimero makes it easy to produce music on your iPhone or iPad. Voice generation runs on your device, so you can compose songs and generate vocals offline. KEY FEATURES • Create melodies with an intuitive piano roll • Enter lyrics for individual notes • Build songs with multiple tracks • Import UTAU voicebanks • Generate AI singing voices with DiffSinger models • Use compatible VOICEVOX models • Import MIDI, UST, and MusicXML files • Adjust tempo, volume, and other song settings • Export and share your finished audio BOIMERO IS GREAT FOR • Creating songs without recording your own voice • Making vocal-synth and character-voice music on mobile • Working with UTAU and DiffSinger voice models • Editing MIDI and UST files away from your computer • Learning vocal synthesis and songwriting Turn your notes and lyrics into a singing voice. Create music freely with Boimero. Features and available voices may vary depending on your device, plan, and installed models. Terms of Use: https://www.apple.com/legal/internet-services/itunes/us/terms.html
Screenshots
Verdict
The clearest difference is in-app purchases: RapMushi at none against Boimero's 4. RapMushi also leads on ads (none vs shown) and iOS requirement (11.0 vs 15.1). Boimero's advantage is update cadence (daily vs every 66 months) and ratings volume (579 vs 25). On price, rating, review sentiment 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. Boimero sells 4 in-app purchases, starting at $0.99 per month. RapMushi asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.6 for RapMushi against 4.6 for Boimero. That said, the two scores are not equally well evidenced: Boimero has 579 ratings behind it against 25, so its average is the more settled of the two. Written reviews are what separate them: 95% of RapMushi's written reviews are positive against 88% of Boimero's.
RapMushi ships an update every 66 months, Boimero daily. Both last shipped on October 30, 2026.
| Parameter | RapMushi | Boimero |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (25 ratings) | 4.6 (579 ratings) — better |
| Positive reviews | 94.9% of reviews — better | 88.4% of reviews |
| Number of ratings | 25 | 579 — better |
| Update frequency | Every 66 months | Daily — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 75 MB | 396 MB |
| Age rating | 4+ | 4+ |
| Developer | Tsubasa Naruse | Waffle, LCC |
Customer experience
RapMushi
Boimero
User reviews
RapMushi
From 25 App Store ratingsWhat we love
- 🎶 Fun and addictive music creation
- 🎨 Cute and charming illustrations
- 👍 Intuitive and easy to use
- 💰 Free to download and use
- 🎧 Great beats and sound quality
Room to improve
- ❓ Language barrier (Japanese)
- ⚠️ Outdated, not working on newer iOS versions
Boimero
From 579 App Store ratingsWhat we love
- 👍 Easy to use
- 🎨 Helpful for creating music
- 💡 Good mobile vocaloid alternative
- 🎶 Enjoyable for composing songs
Room to improve
- 🐛 Buggy and glitchy at times
- 💰 Too many ads and paid features
- 🌐 Lack of English support
Bugs and requests
RapMushi
Reported bugs
1 issue- Does not work with iOS 11
Requested features
5 requests- English version
- Update for newer iOS versions
- Ability to record mixes as ringtones
- Tempo adjustment feature
- Ability to load own loops and samples
Boimero
Reported bugs
3 issues- Lyrics not working as expected
- Audio playback issues after watching ads
- Tutorial/help content not loading
Requested features
4 requests- More voicebank options
- Improved pitch/tuning controls
- Better lyric integration
- English language support
In-app purchases
RapMushi
No in-app purchases
Boimero
- ボイメロプレミアム$0.991 Month
- ボイメロプレミアム$1.991 Month
- ボイメロプレミアム$5.991 Year
- ボイメロプレミアム$9.99







