SynthMaster 3 Player vs onBGM
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SynthMaster 3 Player
This music app allows users to play and tweak a vast library of synthesizer presets. It offers a multi-layer architecture and extensive expansion content for diverse sound design possibilities. Users can easily browse and preview sounds before loading them.
- Tweak existing synthesizer presets
- Multi-layer architecture (up to 16 layers)
- Edit keyboard zones, velocity, voicing, unison, arpeggiator, FX
- Compatible with SynthMaster expansion banks
- In-app shop for purchasing expansions
- Preset previews with audio playback
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SynthMaster 3 Player iOS is the mobile player version of KV331 Audio's flagship synthesizer SynthMaster 3. It is tailored towards user who prefer tweaking existing presets over designing sounds from scratch. It is available for free on Apple AppStore as a standalone app and AUv3 plugin. Free Factory Content: SynthMaster 3 Player iOS comes with 200 presets curated from SynthMaster One, SynthMaster 2 and SynthMaster 3 factory libraries. Once users complete registration, the number of free presets increase to 500. Rich Expansion Content: SynthMaster 3 Player iOS is compatible with SynthMaster One, SynthMaster 2 and SynthMaster 3 expansions. There are currently 60 expansion banks for a wide range of genres to choose from. Users can easily purchase these expansions through the In-App Shop inside the app. Much more than a ROMpler synth: Although users can not edit layer modules and modulation sources, they can edit all other layer parts such as keyboard zones, velocity zones, voicing, unison, arpeggiator, sequencer and insert FX. Multi-layer Architecture: Each SynthMaster 3 Player iOS instance can have up to 16 layers. Users can add new layers by loading existing presets into layers through the preset browser. Preset Previews: Presets in SynthMaster 3 Player iOS have built-in previews. Users can listen to the previews of presets after turning on the preview mode. In-App Shop: Users can easily purchase expansion banks as in-app-purchases.
onBGM
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onBGM turns the song you're listening to right now into a stylish share card. **■ One tap. One song. One card.** Automatically pulls the track and artist name from whatever's playing in Apple Music. Just swipe to pick your favorite template — done. **■ 100+ templates** Record sleeve, Polaroid, cassette tape, movie credits, tarot card, gacha result, prescription, driver's license, wanted poster, New Year's card, parking ticket — and plenty more. Express your music in an unexpected format. **■ Make it yours with your own photos** Blend photos from your camera or library into the card. Album cover style, instant film style, mugshot style — lots of templates are built to bring your photos to life. **■ Dead-simple controls** - Swipe left/right → switch templates - Swipe down → save - Swipe up → share Intuitive. Card ready in 3 seconds. **■ Composite Mode** Layer your card over any photo, then pinch, rotate, and drag to place it exactly how you want. Perfect for Instagram Stories or an X post. **■ onBGM Pro (one-time purchase)** - All templates unlocked - No ads - No subscription — buy once, keep forever Share your BGM with the world. Privacy: https://onbgm-app.pages.dev/privacy EULA: https://onbgm-app.pages.dev/eula
Screenshots
Verdict
The clearest difference is ads: SynthMaster 3 Player at none against onBGM's shown. SynthMaster 3 Player also leads on device support (3 vs 1) and iOS requirement (15 vs 18.6). On price, update cadence and in-app purchases 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. SynthMaster 3 Player sells 15 one-off in-app purchases and onBGM sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
SynthMaster 3 Player ships an update weekly, onBGM every 6 days. The most recent releases landed on October 2, 2026 and September 9, 2026 respectively.
| Parameter | SynthMaster 3 Player | onBGM |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (55 ratings) — better | — |
| Positive reviews | 86.7% of reviews | — |
| Number of ratings | 55 — better | — |
| Update frequency | Weekly | Every 6 days — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15 — better | 18.6 |
| Further details — not scored | ||
| Size | 2.2 GB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | KV331 Audio | DAIKI HAYASHI |
In-app purchases
SynthMaster 3 Player
- SynthMaster 2 Expansions Bundle$2.99
- New Loops Psytrance Sounds Volume 1$2.99
- Loopsy Rave Sounds Volume 1$2.99
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- NatLife Melodic Techno Sounds Vol 1$4.99
- New Loops Cinematic Sounds Volume 1$4.99
- New Loops Synthwave Sounds Volume 1$4.99
- Luftrum 33$4.99
- Loopsy Tech House Sounds Volume 1$4.99
- Loopsy House Sounds Volume 1$4.99
- SynthMaster 2 Factory Presets$9.99
- SynthMaster 3 Factory Presets$9.99
- SynthMaster One Expansions Bundle$14.99
- SynthMaster 3 Expansions Bundle$19.99
- SynthMaster Factory Presets Bundle$24.99
- SynthMaster Everything Bundle$99.99
onBGM
- Pro$2.99
Questions
Is SynthMaster 3 Player free?
Is onBGM free?
Do SynthMaster 3 Player or onBGM have ads?
Which is updated more often, SynthMaster 3 Player or onBGM?
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