JP vs Aureline
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
JP
This application emulates a legendary analog polyphonic synthesizer, offering 8 distinct analog synth voices. Users can sculpt sounds with authentic VCF and ADSR controls, utilize an arpeggiator, and split the keyboard for dual-sound performance. Built-in effects and pitch lever allow for expressive sound design on the go.
- 8 Analog Synth Voices
- Authentic VCF Control
- ADSR Envelope
- Arpeggiator with 5 Patterns
- Split and Solo Modes
- Reverb & Chorus Effects
- Pitch Lever
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An iPhone app that recreates the legendary analog polyphonic synthesizer. [Key Features] 8 Analog Synth Voices: JP-Brass / JP-Strings / JP-Warm Pad / JP-Choir / JP-Saw Lead / JP-Square / JP-Bass / JP-Bell Authentic VCF Control: Manipulate Cutoff, Resonance, and ENV in real time. Shape your sound freely by sweeping the filter. ADSR Envelope: Intuitively control Attack, Decay, Sustain, and Release via sliders. Arpeggiator: 5 patterns (Up, Down, U&D, As Play, Random) with adjustable BPM and octave range. Split Mode: Split the keyboard into two zones to play two different sounds simultaneously. Solo Mode: Monophonic operation tailored for searing lead lines and solo play. Reverb & Chorus: Add depth and space to your sound with built-in spatial effects. Pitch Lever: Perform expressively with real-time pitch bends. LFO / VCO Control: Create rich, evolving textures with modulation. [Recommended For] Fans of iconic '80s synth sounds. Music producers and DTM creators. Anyone looking to enjoy synthesis on the go. Those who love the signature "JP voice" sound. *This app contains ads. *Using headphones or external speakers is highly recommended for the best sound experience.
Aureline
This app is an 8-voice polyphonic synthesizer that combines the feel of classic analog synths with the unique character of waveform memory sound sources. It offers a wide range of sound creation capabilities, from warm pads and powerful basses to digital game sounds and sound effects.
- 8-voice polyphony
- Dual oscillator configuration
- Analog modeling and waveform memory
- WAVE EDIT for drawing waveforms
- POLY MOD
- Filter/Amp Envelope
- LFO, Arpeggiator, Chord, Hold
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Aurelineは、クラシックなアナログシンセの操作感と波形メモリ音源の個性を組み合わせた、8ボイス・ポリフォニックシンセサイザーです。 2基のオシレーター、フィルター、エンベロープ、LFO、POLY MOD、アルペジエーターを備え、温かいパッドや力強いベースから、デジタルなゲームサウンド、効果音まで幅広く作れます。 主な機能 ・8ボイス・ポリフォニー ・2オシレーター構成 ・アナログモデリング波形と波形メモリ ・波形を指で描けるWAVE EDIT ・POLY MOD ・フィルター／アンプ・エンベロープ ・LFO、アルペジエーター、コード、ホールド ・50音色ライブラリ ・音色ファイルとライブラリの保存／読み込み ・外部MIDI入力 ・AUv3 Instrument対応 スタンドアロンアプリとして本体の鍵盤から演奏できるほか、GarageBandなどの対応ホストではAUv3 Instrumentとして使用できます。
Screenshots
Verdict
The clearest difference is rating: Aureline at 4.7 against JP's 1.0. Aureline also leads on update cadence (daily vs every 2 weeks) and ratings volume (7 vs 1). On price, ads, in-app purchases and monetization model 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.
Aureline holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: Aureline has 7 ratings behind it against 1, so its average is the more settled of the two.
JP ships an update every 2 weeks, Aureline daily. The most recent releases landed on October 25, 2026 and October 23, 2026 respectively.
| Parameter | JP | Aureline |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 4.7 (7 ratings) — better |
| Number of ratings | 1 | 7 — better |
| Update frequency | Every 2 weeks | Daily — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 26.5 | 16.0 — better |
| Further details — not scored | ||
| Size | 37 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Kouki Yoshimoto | Hideki Konishi |
In-app purchases
JP
No in-app purchases
Aureline
No in-app purchases
