JamKoo vs Numbered Musical Notation
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
JamKoo
Create and record music with realistic virtual instruments. Mix backing tracks, practice with various instruments, and share your performances with a community. Supports MIDI controllers and custom instrument libraries.
- Realistic virtual instruments
- MIDI controller support
- Backing track mixing and recording
- Custom instrument library import
- Layered recording
- MP3 export
- Score import and viewing
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JamKoo is designed for live performance worship band and practice. JamKoo can turn your old keyboard to a realistic grand piano. JamKoo allows you to mix and record backing track with realistic virtual instruments. Application Scenario - Wind MIDI controller: add a background music, pick a saxophone or trumpet tone. Add some reverb FX, and practice anytime without disturbing others. - Piano: Connect your keyboard to iPad, iPhone via USB-MIDI or Bluetooth MIDI. Play and record your performance with this app, share the recording with your teacher. The piano sound and tuning is more realistic than an ordinary electric piano. - Electronic drum practice, import a classic rock track, pick a drum kit, and record your performance while adjusting the background volume and minimizing the reverb FX of the instrument. Recordings can be sent to other members of the band. Elegant and powerful Designed for music practice and live performances, the user who likes music is freed from the complexity of recording interfaces and can focus on the music itself. Sophistication doesn't necessitate complexity. Built-in high quality and deep sound library Pre-installed with a number of fine-tuned and rich sound sources, from a comprehensive instrument package containing 138 instruments to 7 Chinese musical instrument packages with outstanding sound. This is a musical weapon at your fingertips. Post&share in a flash Your works deserve more listeners! Harvest likes by posting at JamKoo community. Add your own instrument library If the pre-installed hundreds of instruments are not enough, you can also add your own instrument library and download the Soundfont format library to your own JamKoo library. Main features: - Support USB, Bluetooth MIDI source selection. - Pre-installed a set of high quality comprehensive sound library. - Pre-installed a set of Chinese musical instrument library. - Support individual patch transpose, octave, reverb. - Import backing track music from Music library or iCloud, dropbox etc. - Layered recording with backing track, as well as solo recording. - Support export to MP3 file. - Support AE-05/01 program change on the fly. - pitch bend range, sustain pedal. - Pro version users can add third party Soundfont format sound library. - Import and view scores in various format. - Support score page turning and patch scrolling by MIDI pedal Facebook Page: @RobkooMusic Twitter: @Robkoo_Music Feedback: contact@robkoo.com
Numbered Musical Notation
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The application to make numbered musical notation and dynamic numbered musical notation. Features: -Quick input of simplified music scores -Dynamic music playing -Music score and chord -Picture and music score sharing -Music score file saving
Screenshots
Verdict
The clearest difference is iOS requirement: JamKoo at 12.0 against Numbered Musical Notation's 14.0. On price, update cadence, ads 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. JamKoo sells 9 in-app purchases, starting at $0.99 per month and Numbered Musical Notation sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
JamKoo ships an update every 4 weeks, Numbered Musical Notation every 6 weeks. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.
| Parameter | JamKoo | Numbered Musical Notation |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (39 ratings) — better | — |
| Positive reviews | 76.5% of reviews | — |
| Number of ratings | 39 — better | — |
| Update frequency | Every 4 weeks — better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 288 MB | 158 MB |
| Age rating | 4+ | 4+ |
| Developer | Robkoo Information & Technologies Co., Ltd. | 荣庄 杨 |
In-app purchases
JamKoo
- JamKoo Premium (monthly)7 Days trial$0.991 Month
- JamKoo Premium (quarterly)7 Days trial$0.993 Months
- JamKoo Premium (yearly)7 Days trial$0.991 Year
- Taste of FireworksFree
- Shakuhachi$0.99
- Kong Audio Erhu$1.99
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- Kong Audio Qudi$1.99
- Kong Audio Hulusi$1.99
- Kong Audio Suona$1.99
Numbered Musical Notation
- Pro 版本$12.99
Questions
Is JamKoo free?
Is Numbered Musical Notation free?
Do JamKoo or Numbered Musical Notation have ads?
Which is updated more often, JamKoo or Numbered Musical Notation?
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