# T20i > iPad app for remote control of SEIKAKU digital mixers. (iPhone/iPad app by SEIKAKU.) - Source: https://appshunter.io/ios/app/t20i/id950579631 (this page in markdown: same URL + `.md`) - Developer: [SEIKAKU](https://appshunter.io/developer/860317297) - Category: Business, Music - Price: Free - Rating: 1.00/5 from 2 App Store ratings - Age rating: 4+ - Requires: iOS 8.0 · 11 MB - Languages: American English, Chinese (Simplified, China), European Spanish, Chinese (Traditional, Taiwan) - Released: 2015-04-02 - Data updated: 2026-06-11 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/t20i/id950579631/reviews.md ## What is T20i? T20i is a kind of APP program similar to DMX24.4i. Its operation object is the second generation digital mixer product which is researched and developed independently by SEIKAKU, and it controls the device through the way of network connection with iPad. Its main function is as the followings: 1: Support data communication control of 30 channels (including Delay, Link, NoiseGate, Compressor、EQ, etc.) 2: EQ control of high/ low pass includes 20 kinds of adjustment display of filters 3: 4 AUX channel output, 5 main output and 2 effectors control 4: Support random grouping control of channel function(DCA) 5: The effectors include near 144 kinds of effect to be adjusted. (Two effectors channels) 6: Support bus adjustment, DC48V (Phantom power control) and digital simulation control of input/ output channel 7: Support 8 GEQ control under 48K sampling rate 8: Control background light and all kinds of interface style of the device 9: Support renaming channel name and importing/exporting preset 10: Support export/import all memory to local/Device. 11:It is matched with a firmware upgrade online program that can automatically detect via WLAN or USB connection will be available online after the upgrade feature. 12:can switch between the 8 Aux and 5 Sub Mode by users 13:DCA long Faders is independent 14:Support plug-in and optional recording module Requirements: * iPad with iOS7.0 or above. * a wireless router. * T20 Device (for control) ## Key features - 30-channel data communication control - Advanced EQ and filter adjustments - Multiple AUX and main output control - Random grouping channel function (DCA) - Extensive effector library (144 types) - Background light and interface style control - Firmware upgrade via WLAN or USB ## Frequently asked questions about T20i ### What devices does T20i support? T20i is designed exclusively for iPads running iOS 7.0 or above. It requires a wireless router and a T20 Device for control. ### How often is T20i updated? The latest version, 2.3.0, was released on March 23, 2022. The app includes a firmware upgrade program that can automatically detect updates via WLAN or USB. ### What are the main control features of T20i? T20i offers control over 30 channels, including EQ, noise gate, and compressor. It also supports 4 AUX outputs, 5 main outputs, and two effectors with nearly 144 adjustable effects. ### Can T20i be used offline? While the app itself runs on an iPad, it requires a network connection to a wireless router and the T20 Device to function. Therefore, it is not designed for offline use. ### What is the user sentiment for T20i? Based on the provided data, T20i has a rating of 1.0 stars from 2 ratings, indicating a very low user satisfaction. ### Does T20i have ads? No, T20i does not contain advertisements. The app is free to download and use. ### What is the age rating for T20i? T20i has an age rating of 4+, making it suitable for a wide range of users. ### Can T20i save and load settings? Yes, T20i supports importing and exporting presets for channel names and all memory settings to both local storage and the connected device. ## Version history (last 5 releases) ### 2.3.0 — 2022-03-23 fix some bug. ### 2.2.9 — 2015-12-07 This app has been updated by Apple to display the Apple Watch app icon. 1:add CH17_18,CH19_20 two double-channel to DigitalAssin page for input for customer need 2:add linked solo process in mixer page 3:Fixed some bug and so on. it is a perfect version. ### 2.2.8 — 2015-09-25 1:add the function of support plug-in and optional recording module,so,the app add the function of auto detect the module of recording module. 2:add allots function to routing 2:Fixed some bug and so on. ### 2.1.6 — 2015-08-18 1:Customer demand again,we adjusted the DCA assignment,an increase of DCA longfader page,Relative adca SOLO/MUTE/fader about DCA is independent now. 2:modify some bugs and so on. ### 2.1.3 — 2015-08-06 1:In response to customer demand some increase functionality , modify 2:The most important function is to change the DCA functionality. 2:Changed the logo of APP and so on. ## More apps by SEIKAKU - [Custom Sound](https://appshunter.io/ios/app/custom-sound/id838175440) - [DMX 24i](https://appshunter.io/ios/app/dmx-24i/id862889920) - [20.4LIVE](https://appshunter.io/ios/app/204live/id987328761) - [T2208](https://appshunter.io/ios/app/t2208/id1215561683) - [D500.4](https://appshunter.io/ios/app/d5004/id1248177856) All apps by SEIKAKU: https://appshunter.io/developer/860317297 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-11.*