DX vs Aureline
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DX
Create and manipulate 80s FM synth sounds with a tactile hardware-style interface. Explore curated presets, use a Kaoss Physics-style filter pad for expressive control, and add essential effects. Ideal for music production or on-the-go sound design.
- Hardware-style UI
- Curated presets
- Kaoss Physics-style filter pad
- Essential FX (Chorus, Delay, Reverb)
- Mini-keyboard
- Dual-language support
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◆ Key Features Tactile Hardware-Style UI: Interactive visual feedback for operators, envelopes, and algorithms. Curated Presets: Essential sounds including E. PIANO, SYNTH BASS, and BRASS. Kaoss Physics-style Filter Pad: Smooth X/Y control over Cutoff and Resonance. Essential FX: PITCH/MOD, and spatial effects including CHORUS, DELAY, and REVERB. Comfortable Playability: Sleek mini-keyboard with adjustable key range. Dual-Language Support: Fully localized in English and Japanese. Perfect as a secondary sound source for music production, or for sound design on the go. Experience the iconic digital synth sounds of yesteryear right now on your iPhone. Note: This app is a sample-based vintage synthesizer (not a real-time 6-operator FM synthesis engine). We recommend playing this app on an actual physical device (not via simulator).
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 DX's 2.0. Aureline also leads on update cadence (daily vs every 2 weeks) and ratings volume (7 vs 2). 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 2.0. Both are backed by a comparable volume of ratings — 2 and 7 respectively.
DX ships an update every 2 weeks, Aureline daily. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.
| Parameter | DX | Aureline |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (2 ratings) | 4.7 (7 ratings) — better |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 2 | 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 | 86 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Kouki Yoshimoto | Hideki Konishi |
In-app purchases
DX
No in-app purchases
Aureline
No in-app purchases








