Comparison

iWriteMusic Pro SE vs 2Deck DJ

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

iWriteMusic Pro SE

Create beautiful, professional-quality sheet music with an intuitive interface. This app offers efficient input systems, comprehensive notation tools, and useful playback options for musicians of all levels.

Highlights
  • Intuitive user interface
  • Efficient input systems (One-Flick & Traditional)
  • Professional quality sheet music
  • Comprehensive notation elements
  • Useful playback options
  • Export to PDF, JPG, and MIDI
Features
Read full description

Music Writing is easy and fun when you use iWriteMusic! Experience the perfect harmony of ease and versatility in sheet music creation with iWriteMusic! Say goodbye to complicated notation apps and hello to intuitive design. Enjoy quick and beautiful sheet music creation with a comprehensive suite of essential tools for concerts, lessons, and music classes. Best fit for professional musicians, music teachers and students. For songwriters, composers and arrangers. For both singers and instrumentalists (piano, violin, cello, guitar, flute, saxophone, trumpet, drums, etc.). Great for writing down ideas, creating lesson materials, creating lead sheets, or creating scores and parts for chorus groups, choirs, chamber orchestras, jazz bands, Latin bands, orchestras, and more. For daily practice, rehearsals, concerts, iWriteMusic will help you enrich your musical life! Check out 8 reasons to choose iWriteMusic SE (Special Edition) 1. You can understand this app almost instantly! Because of Truly Intuitive and Extremely Simple user interface, you barely need to read pages of manuals nor watching numbers of instruction videos. Unlike Finale, Sibelius and other similar apps, you just have a few things to learn to be able to use this app pretty well. 2.Double your productivity with our Highly Efficient Input System. If you’re already familiar with notation apps and looking for faster & more efficient entry system, try our innovative One-Flick Entry System along with Traditional Entry System to get your job done in no time! What is Traditional Entry System? - The choices will appear with ToolBox. - Select a value and the location separately. - Recommended to those who are not yet familiar with any music notation apps. What is OneFlick Entry System? - The choices will appear when you touch the screen. - Select a location and the value at once. - The selection will change as you slide your finger to left/right. - Recommended to those who are familiar with music notation apps and looking for faster and more efficient entry system. 3. Creates beautiful sheet music / music score - absolutely professional quality! - rich options for page layout adjustment - easy parts creation - easy score/parts management - direct print-out via AirPrint 4. Supports most of major notation elements - multi-track writing - multi-voice writing - percussion/drums notation - chord symbols and lyrics - multi-bar rest - time change - key change - clef change - tempo change - grace note - articulations and dynamics marks - easy song transpose - partial transpose and many more! 5. Useful playback options for practice - mixer with solo, mute and voice select - loop and swing options 6. Data & sheet music sharing - exports/Imports iWriteMusic data file - exports PDF or JPG - exports Standard MIDI file which can be imported by other apps such as GarageBand 7. Extremely Compact Size (15 MB) You can save your device storage space for photos and other apps. 8. Best of all, it's Free! Yes, it's Free and Over 1.4 Million people all over the world has created music with this app family. Let's get started now! Note: This is for iPhone (iPad version sold separately) ATTENTION:  Latency during playback and drawing may occur by device capacity or number of tracks and background applications. Limitations on SE (Special Edition): 1. Water mark appears on page views and printouts. 2. Can’t save more than 5 songs. 3. Can't play more than 30 seconds at a time. 4. Can't import iWriteMusic data file. (export only) 5. Can't export Standard MIDI file.

About

2Deck DJ

Features
Read full description

2Deck DJは、単独でも使える2デッキDJアプリです。ファイルアプリやミュージックライブラリから曲を読み込み、波形を見ながら再生、Cue、Sync、Nudge、Trim、EQ、Volumeを操作できます。 メインの使い方は、iPhoneの「Spin Me Like A Record」とBluetooth MIDIで連携するスタイルです。Spin Me Like A Recordをターンテーブルのように回して、その操作信号で2Deck DJのDeck 1 / Deck 2をコントロールできます。2Deck DJをiPad側のミキサー / デッキとして使い、iPhoneを物理的な操作面として組み合わせることで、タッチ画面だけではないDJプレイを目指しています。 ユースケース動画: https://youtu.be/1jUkZpPWr98 Spin Me Like A Record: https://apps.apple.com/us/app/spin-me-like-a-record/id6780934323 主な機能 ・Deck 1 / Deck 2 の2デッキ再生 ・波形表示、スクロール、ピンチ拡大縮小 ・Cue、Sync、Nudge、Trim、3バンドEQ、Volume ・ファイルアプリとミュージックライブラリからの曲読み込み ・プレイリスト登録 ・Bluetooth MIDIによるSpin Me Like A Record / 外部MIDIコントロール ・EP-136などのUSBオーディオ出力 ・スプリットケーブルによるL/Rデッキ振り分け ・アプリ内のカラーテーマと言語設定 外部アプリやBluetooth MIDI機器がなくても、2Deck DJ単体で音源の読み込み、波形表示、再生、Cue、Sync、EQ、音量調整を確認できます。連携時は、Spin Me Like A Recordから送られる操作信号を受けてデッキを操作します。 音源の読み込みと再生処理は端末内で行われます。

Screenshots

2Deck DJ1 screens

Verdict

The call

The clearest difference is update cadence: 2Deck DJ at every 3 days against iWriteMusic Pro SE's every 5 weeks. iWriteMusic Pro SE's advantage is iOS requirement (16.0 vs 18.0). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

iWriteMusic Pro SE ships an update every 5 weeks, 2Deck DJ every 3 days. The most recent releases landed on October 19, 2026 and October 5, 2026 respectively.

Scorecard2 real differences · 8 level
iWriteMusic Pro SE versus 2Deck DJ: the parameters behind the verdict, then further details
ParameteriWriteMusic Pro SE2Deck DJ
PriceFreeFree
Rating4.5 (207 ratings) — better—
Positive reviews53.2% of reviews—
Number of ratings207 — better—
Update frequencyEvery 5 weeksEvery 3 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPadiPhone, iPad — better
Requires iOS16.0 — better18.0
Further details — not scored
Size19 MB2 MB
Age rating4+4+
DeveloperiWriteMusicProjectkeiji shibuta

Bugs and requests

iWriteMusic Pro SE

Reported bugs

5 issues
  • Incorrect transposition of notes
  • Inability to save compositions
  • Overlapping/unreadable menu text
  • Freezing when trying to copy/paste
  • Inconsistent behavior when adding new measures

Requested features

5 requests
  • Add more music notation options (e.g. glissando, ghost notes)
  • Improve playback to follow dynamics and expressions
  • Allow multiple key signatures in the same piece
  • Provide an undo/redo function
  • Implement a chord entry mode for guitarists

2Deck DJ

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

iWriteMusic Pro SE

No in-app purchases

None

2Deck DJ

No in-app purchases

Questions

Is iWriteMusic Pro SE free?
iWriteMusic Pro SE is free to download, with no in-app purchases.
Is 2Deck DJ free?
2Deck DJ is free to download, with no in-app purchases.
Do iWriteMusic Pro SE or 2Deck DJ have ads?
Neither iWriteMusic Pro SE nor 2Deck DJ shows ads.
Which is updated more often, iWriteMusic Pro SE or 2Deck DJ?
iWriteMusic Pro SE ships an update every 5 weeks, and 2Deck DJ every 3 days. Most recently, iWriteMusic Pro SE was updated on October 19, 2026 and 2Deck DJ on October 5, 2026.

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