Piamate vs Solo Harmony
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Piamate
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Piamate is a companion app for Piamate system (BR-900) that allows you to easily access and adjust Piamate's settings such as volume, tone, and performance playback. It's connected with Piamate by Bluetooth Low Energy and it's operated by a wireless. You can also save the performance data from Piamate to your iPhone, where you can send it to someone else via email, or receive new performance data and play it back on your Piamate system. The Piamate app supports iTunes sharing, and your performance data can also be managed through iTunes. Please Note: When connecting with Piamate by the cable, both an Apple Lightning to USB Camera Adapter and a USB mini B cable are required. [Features] * Sound control - Tone, Reverb * Metronome - Beat, Tempo, Volume * Performance Data - Recording, Playback, Transmission, and Mail * Demo songs * Adjustments - Touch control, Note repeat limit, Black key volume, Individual key volume, Tuning, Auto sensor, Pedal position, Key depth, Piano type, Factory reset
Solo Harmony
This app synthesizes harmony parts with your solo singing in real-time. Mix up to five harmony parts using an ad-lib keyboard and adjust pitch for chorus effects. Record and playback synthesized sounds, or use it for karaoke practice.
- Ad-lib Harmony Mix engine
- Real-time multi-part mixing
- Subtle pitch shift for chorus effect
- Recording and playback
- Input from microphone, files, and other apps
- Karaoke practice mode
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Automatically harmonizes with your solo singing. ◆ Equipped with an [Ad-lib Harmony Mix] engine, allowing you to synthesize harmony parts with ad-lib performances while singing. ◆ Use the ad-lib keyboard to mix up to 5 parts simultaneously in real-time. ◆ The subtle pitch shift setting allows you to produce a chorus effect. ◆ Supports recording and playback of synthesized sounds. ◆ Supports not only microphone input, but also recording files and shared files from other apps. ◆ You can mix harmony parts while playing audio files. ◆ Useful for practicing karaoke harmony by playing the original vocals quietly and the harmony parts loudly. ◆ Recorded files can be sent to AirDrop, SNS, etc. as shared files. ● Notes: ・To prevent howling, the app automatically disables the microphone input signal while playing audio files. ・When using Bluetooth earphones, it may not be possible to monitor the sound being recorded.
Screenshots
Verdict
The clearest difference is price: Piamate at Free against Solo Harmony's $0.99. Solo Harmony's advantage is update cadence (every 7 months vs every 31 months) and iOS requirement (13.0 vs 15.0). On ads, 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
Piamate is free to download; Solo Harmony costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Piamate ships an update every 31 months, Solo Harmony every 7 months. The most recent releases landed on October 7, 2026 and October 16, 2026 respectively.
| Parameter | Piamate | Solo Harmony |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | — | 4.0 (3 ratings) — better |
| Positive reviews | — | 20.0% of reviews |
| Number of ratings | — | 3 — better |
| Update frequency | Every 31 months | Every 7 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Nissin Electro Co., Ltd. | Masanori Katsuta |
In-app purchases
Piamate
No in-app purchases
Solo Harmony
No in-app purchases









