# BTS for KATANA-AIR — user reviews > 87 indexed App Store user reviews of BTS for KATANA by Roland Corporation, rated 2.30/5 from 69 ratings. - Source: https://appshunter.io/ios/app/bts-for-katana-air/id1336823491/reviews - App overview in markdown: https://appshunter.io/ios/app/bts-for-katana-air/id1336823491.md - Rating breakdown: 5★ 7 · 4★ 12 · 3★ 5 · 2★ 15 · 1★ 30 ## What do users think of BTS for KATANA? Overall sentiment: negative **Pros** - 🎶 Great amp sound - 💡 Innovative wireless amp - 🎛️ Extensive effect library - 🔋 Wireless convenience **Cons** - 🐛 Frequent connection issues - 🧽 Clunky and outdated UI - 📉 Poor usability - 🚫 Lack of updates - 😵 Confusing interface - 📱 Portrait mode only on iPad - ⏳ Slow connection process - ❓ Difficult to find support **Commonly reported bugs** - App won't connect - Lost all tones - Firmware update issues - Stopped working with Airstep - Bluetooth connection unreliable - App doesn't work now - Technical issue on App - Won't even connect - Bluetooth won't function - App won't pair - Bluetooth won't function - Stopped showing up for Bluetooth connection - Bluetooth mode not working - Communication error - Bluetooth device selection screen whites out - App freezes up - App crashes - UI doesn't scale properly - Write button unpressable on iPhone 12 Pro - App crashes every time on iOS 14 - Constant clicking noise - App stalls and won't connect - Bluetooth not connecting via MIDI Bluetooth **Most requested features** - Add McRocklin patches to Tone Exchange - Add firmware update via the app - Landscape mode for iPad - Run app on MacBook - Improve UI and graphical interface - Add voice over support - Make compatible with regular Katana - Power off function in the app - Better file system for transferring files - Auto connect to amp on launch - Auto rotate with device on iPad - Update to look like a modern app - Auto convert feature for all Katana presets - Support USB for other Katana models - Add Bluetooth to all Katana amps - Dedicated iPad app with landscape mode - More frequent app updates - New downloadable sounds - Edit sound from library and save to liveset - Push current panel preset to liveset - Record guitar and backing track within the app - Fix popping noise from amp - Make app more intuitive and powerful - Add wireless expression pedal and foot controls - Improve connection reliability - Add support for newer iOS versions - Fix UI scaling issues on iPhone 12 Pro - Improve Tone Studio Desktop compatibility ## Newest reviews (17 of 87) ### 2/5 — Stopped working with Airstep *2025-05-09* Nothing changed unless the App has updated. Now I can’t connect to katana and airstep , not showing up in Bluetooth devices , no help online **Developer response:** ​Sorry to hear you are having trouble and thank you for leaving a review. Feel free to reach out through our customer support portal and we would be happy to assist you further. https://www.roland.com/cloud/contact-us/ ### 2/5 — About ready for a major update *2024-11-07* The app is starting to get left behind by its competitors in terms of usability and graphical interface. Come on Boss your just being lazy **Developer response:** Thank you for the review. Your feedback is very much appreciated and I'll make a note of it for you and pass it along. ### 3/5 — 使い方が *2024-05-08* アプリと接続し音量等の調整はできるようになったが iPhoneからの音楽再生ができない iPhoneか直接音楽が流れてしまい使い物にならない状態 **Developer response:** こんにちは、私たちはピアノ アプリの修正に熱心に取り組んでいます。 他のローランド楽器への互換性も拡大する予定です。 アプリを改善するまでしばらくお待ちいただきありがとうございます。 ### 2/5 — Oh come on, portrait mode only? *2024-03-16, version 2.0.2* Practically unusable on iPad. Why do developrs do this? ### 2/5 — No Music Library Function *2024-03-15* Music library (session list) doesn't work ipad 10th iphone 15 pro **Developer response:** Hello Scholzer, Thanks for your feedback and review for the BTS app. While it’s too complex for us to answer here, our Product Support Team will be happy to help. You can connect with them through the Backstage area of our website. Thank you! Roland Backstage- https://www.boss.info/backstage/login ### 2/5 — The Amp is great, the app is lacking *2024-03-14, version 2.0.2* There needs to be a serious UX overhaul on this app. It’s clunky and unintuitive and unappealing to the eye. I LOVE the hardware though. When I compare this to the Spark Live app, there’s a clear winner in terms of software design ### 2/5 — Can’t connect to Bluetooth from my phone to xsonic katana air *2023-10-16, version 2.0.1* Can’t connect to Bluetooth from my phone to xsonic katana air ### 3/5 — Was nice when it worked *2023-10-13* This app was useful for Katana 50mkII with AIRSTEP Kat but after last update now it won’t pair. Katana librarian is an alternative. I’ll go back to using macOS version. ### 1/5 — Airstrip kat edition just stopped showing up for bluetooth connection *2023-09-23, version 2.0.1* With this 2.0 update I can no longer connect my airstep kat to the app anymore. While I could still connect it to other apps like the katana librarian. Please fix this. ### 1/5 — Airstep support *2023-09-21* Can’t connect to Xsonic Airstep after update, device list is empty **Developer response:** ​Sorry to hear you are having trouble and thank you for the review. If you reach out to us through our customer support portal we would be happy to assist you further. https://www.roland.com/backstage/support ### 1/5 — Boss amp app *2023-06-20, version 1.2.0* It doesn't work. It will not go into Bluetooth mode. Horrible and frustrating. Tried everything. ### 1/5 — Can't connect to iPhone 14 Pro iOS 16 *2023-04-07, version 1.2.0* I still getting the message communication error.. its a shame because the Headphone is amazing! Great effects and overall sound, but the App doesn't work... ### 1/5 — Bluetooth Selection Screen Broke! *2023-01-09, version 1.2.0* Hoping the devs see this: I’ve been using this app for a couple years now and just this past week noticed that the Bluetooth device selection screen “whites out”. When opening the app and clicking the “Bluetooth Midi Device” button, it leads to a completely blank landing page. Previously I could select my Air and start playing. Now I can’t connect. Help! ### 1/5 — Like my 100watt amp NOT *2022-11-01, version 1.1.0* Boss where and what is the cable called from the iPhone 11 _ 9pin connector with small USB connector to back of katana called? I wish that piece of puzzle would be mentioned in manual somewhere !!! 😡 I’ve been looking over creations for that cable hook up for my 9 pin XR 11 iphone to back of katana 100watt amp and still nowhere to be found 😡 Well I guess I’ll be thee only one not using tone studio out here 🤬🤬🤬 , Well , it’s time to buy a tube amps I guess again .. ### 3/5 — Landscape please! *2022-06-22* Please landscape mode. The app is great but I want to use iPad Pro in landscape mode. ### 2/5 — Cant connect *2022-01-02, version 1.1.0* Cant connect to the app. Pls fix ### 1/5 — App Freezes up on iPhone *2021-12-26, version 1.1.0* I have had the app now for about a month with my Katana Air amplifier. The app freezes up almost every other day and has to be deleted and reinstalled. I hope the software people that developed this app are improving this. Especially since the Boss amplifiers are so tied to the app. ## Most critical reviews (10 lowest-rated) ### 1/5 — McRocklin Patches? *2025-09-25, version 2.1.0* Thanks for adding the old Blues patches. Can we have the McRocklin patches added to the Tone Exchange too, please? ### 1/5 — No connection *2025-07-04, version 2.1.0* It would be nice if this app would connect. I have tried with my phone and my tablet. Neither one will connect. ### 1/5 — Very poor outdated app *2025-06-25* I’ve been using the app with a katana air amp for 4 years now. Amp is fine but the app is pretty rubbish to be honest. I’ve had a few occasions where it just wont connect and updating it….well I don’t even know how to do this, it’s just all really clunky. I’ve now lost all my tones and for the life of me I cannot work out how to download them again. Just try finding how to contact Boss to do this on their website is just impossible, so I’m going to ditch the amp and buy a spark amp which just seems so much more advanced and easy to use **Developer response:** We’re sorry to hear you’re having trouble. Thank you for leaving a review. Here is a link to our customer support portal. https://www.roland.com/cloud/contact-us/ ### 1/5 — No Firmware Update *2025-06-11, version 2.1.0* It’s painful to update the firmware. I have Windows 11, installed the driver, and it is still not displaying the Katana drive. I followed the instructions on how to enable the amp to update the firmware, but no luck! They should add the firmware update using this app. ### 1/5 — Worst app ever used *2025-05-09, version 2.1.0* This is the worst app I have ever used. So many problems it would take hours to describe. ### 1/5 — Cannot connect and support not helpful *2025-03-05, version 2.0.2* A great amp made useless by very poor software support. Bluetooth connect very unreliable and no way to use it via USB ### 1/5 — Technical issue on App *2024-07-06, version 2.0.2* The app doesn’t work now. Want me change to librarian and tone center. That’s bad thing. And even trying to connect librarian. Still not work on the app. Please give explanation ### 1/5 — Won’t even connect. *2024-05-22, version 2.0.2* Will not connect. The amp has been great, but I haven’t been able to connect to the app once since buying the katana air ex. Pretty terrible user experience. ### 1/5 — Bluetooth Won’t Function (Brand new Headset) *2024-03-10, version 2.0.2* I got this headset today to play my guitar and the Bluetooth won’t even pair at all. It will present the menu options and the headset is solid blue (showing it’s connected). Cmon Roland! ### 1/5 — Was nice when it worked *2023-10-20, version 2.0.2* This app was useful for Katana 50mkII with AIRSTEP Kat but after last update now it won’t pair. Katana librarian is an alternative. I’ll go back to using macOS version. ## Most praised reviews (10 highest-rated) ### 5/5 — Does what it should *2022-05-22, version 1.1.0* Once connected to the Katana MIDI Bluetooth interface, it is easy to modify sounds and settings on the go. You can also change the signal chain. Overall this app feels similar to the ‘big’ Katana amp in terms of usage and sound. ### 5/5 — Please make dotted 8 delay option.. *2020-12-30* Plz.. ### 5/5 — Excellente réactivité de BOSS *2020-11-16* Suite à la mise à jour iOS 14.2 l’app ne parvenait plus à se connecter. Moins d’une semaine après une mise à jour était dispo. Merci pour la réactivité. ### 5/5 — 使いやすい！ *2020-08-27* 問題無く使用しています。 エフェクトも多く重宝しております。 ダウンロードしたパッチを編集、保存出来たら言うこと無しなんですが、私の調べ不足かも知れません。 ### 5/5 — Bluetooth *2020-05-09* Problem now solved. I was only logging on with katana midi not katana audio duh ### 5/5 — how do you stream backing tracks *2020-01-08* how do you stream from ipad to the air guitar is working fine but no audio from ipad bluetooth just shows katana air midi ### 5/5 — More than meets the eye.. *2019-07-06, version 1.0.1* So you got a Katana Air.. you like it, sounds good right? Then you get this app and you have EVERY EFFECT BOSS HAS EVER MADE AT YOUR FINGERTIPS!!!!! Multiple different distortion and overdrive options, reverbs, delays and even a harmonist. You may like your katana now, but you’ll fall head over heels in love with it when you get this app! It is TRULY the ultimate travel/practice amp! ### 4/5 — Landscape mode, fix session videos and MacBook. *2025-01-17* The session view on iPad has a serious flaw as video window takes up too much of the screen. This then only leaves room to see 1 song title - the iPhone version is much better. A landscape view for effects better arranged would be better. The k air midi app does a better job.. if app could run on MacBook , this would be a big bonus ! **Developer response:** ​Sorry to hear you are having trouble and thank you for leaving a review. Feel free to reach out through our customer support portal and we would be happy to assist you further. https://www.roland.com/cloud/contact-us/ ### 4/5 — Connexion impossible en Bluetooth *2023-10-04* Depuis 1 semaine, impossible de connecter mon appareil en Bluetooth … Peut-être lié à la mise à jour IOS 17.. **Developer response:** Bonjour Benjito, Désolé pour le manque de connexion. Sachez que nous travaillons toujours sur les mises à jour pour assurer la stabilité de notre gamme d'applications. Avec la sortie récente du Katana Air EX, l'appli a été mise à jour pour être compatible avec le nouveau produit. Par conséquent, une mise à jour logicielle est prévue pour le Katana Air d'origine afin de garantir une compatibilité totale, ### 4/5 — Update Worked *2020-11-13, version 1.0.3* Thanks for the quick turnaround and support for iOS 14.2, will update review after I play around a bit. 👍🏼 --- *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 2026-08-16.*