Comparison

Spider Remote vs Katana Librarian

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

Head to head
About

Spider Remote

Edit and manage your guitar amplifier tones with this app. Browse, download, and save presets, and control amp parameters remotely. Access thousands of user-created tones online and share your own creations.

Highlights
  • Edit and save guitar tones
  • Browse and download presets
  • Control amp parameters remotely
  • Search online user-created tones
  • Share and rate tones in the cloud
  • Store unlimited tones
Features
Read full description

Spider Remote is a graphical editor and device management app for use with Line 6 Spider V guitar amplifiers. Connect to a Spider V via Lightning cable to browse, download, edit and save your guitar tones. 
 An active connection to a Spider V amp is not required to browse and edit tones, and tones can be saved in the user's Line 6 account. KEY FEATURES
 • Take command of your Spider –all 70+ amps, 104 effects, 25 speaker cabinets, 4 microphones. • Use up to 8 simultaneous guitar effects
 • Remotely control Spider V device parameters • Search thousands of user-created tones online in the Tones tab
 • Share and rate tones in the cloud • Store unlimited tones in the cloud • Share tones via Twitter and Facebook from within Spider Remote Note: Spider V guitar amplifiers are only compatible with iOS devices equipped with the lightning port. Made for iPhone® 7, iPhone 6s Plus , iPhone 6s, iPhone SE, iPhone 6 Plus, iPhone 6, iPhone 5s, iPhone 5c, iPhone 5, iPad Air® 2, iPad Air, iPad mini 4, iPad mini 3, iPad mini 2, iPad mini, iPad Pro, iPad (4th generation), iPod touch® (6th generation), iPod touch (5th generation).

About

Katana Librarian

Unlock the full potential of your BOSS Katana amplifier with this app. Connect via Bluetooth to manage, edit, and organize your amp's patches. Access advanced features and control your sound like never before.

Highlights
  • Download patches from amplifier
  • Modify patch parameters and effects
  • Organize patches into groups and set lists
  • Import/export TSL files
  • Emulate GA-FC pedal functionality
  • Hands-free patch switching with foot switch
  • Access undocumented Katana features
Features
Read full description

Katana Librarian allows you to connect your phone or tablet to your BOSS Katana amplifier via a Bluetooth adapter (sold separately), unlocking your amp’s full potential! The free version of the app allows you to test your connection and load the built-in demo patches. A one-time in-app purchase is offered if you wish to unlock the full feature set, which will allow you to: - Download patches from your amplifier. - Modify the patch parameters; includes support for all effect types; the editor also changes in real-time as you adjust the parameters on your amp. - Organize your patches into groups. Tag your favorite patches, or create a set list for a live performance. - Import and export MkI, MkII, Gen3 and GO .TSL files. - Rename and delete patches. - Write patches to the amplifier's channels - Emulate the functionality of a GA-FC pedal (even on a KATANA-50 or KATANA:GO) - Use the hotkey feature in combination with a MIDI or HID foot switch for hands-free patch and effect switching. - Access undocumented Katana features like hidden amps and multiple simultaneous effects (where supported). What you need: - An iPhone or iPad running iOS/iPadOS 15.0 or later - A supported Bluetooth adapter* - One of the following amplifiers: • KATANA-50 • KATANA-50 MkII • KATANA-50 Gen3 • KATANA-50 MkII EX • KATANA-50 EX Gen3 • KATANA-100 • KATANA-100 MkII • KATANA-100 Gen3 • KATANA-100/212 • KATANA-100/212 MkII • KATANA-100/212 Gen3 • KATANA-HEAD • KATANA-HEAD MkII • KATANA-HEAD Gen3 • KATANA-Artist • KATANA-Artist MkII • KATANA-Artist Gen3 • KATANA-Artist MkII HEAD • KATANA-Artist HEAD Gen3 • KATANA:GO * Currently supported Bluetooth adapters: MkI and MkII amps: - CME WIDI Uhost (https://amzn.to/3RKnXdy) - XSONIC AIRSTEP (https://amzn.to/3QCzJoO) - XSONIC AIRSTEP Kat Edition (https://amzn.to/3RZaUV2) - XSONIC AIRSTEP Kat EX Edition (https://amzn.to/3T1Rly2) Gen3 amps: - BOSS BT-DUAL (https://amzn.to/3AxrHLB) - XSONIC AIRSTEP Kat EX Edition (https://amzn.to/3T1Rly2) See our Frequently Asked Questions here: https://drive.google.com/file/d/19G4j_bk8c8OZ3vBvZKWHnuXg9ZEpKbkx/view Note: This app is not affiliated with or endorsed by Roland Corporation in any way. BOSS is a registered trademark of Roland Corporation. We may earn commissions for purchases made through links in this listing.

Screenshots

Spider Remote3 screens
Katana Librarian3 screens

Verdict

The call

The clearest difference is review sentiment: Katana Librarian at 63% against Spider Remote's 21%. Katana Librarian also leads on rating (4.1 vs 2.6). Spider Remote's advantage is in-app purchases (none vs 1) and iOS requirement (9.0 vs 15.0). On price, ratings volume, update cadence and ads 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. Katana Librarian sells 1 one-off in-app purchase. Spider Remote asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Katana Librarian holds the better App Store score, 4.1 against 2.6. Both are backed by a comparable volume of ratings — 105 and 52 respectively. Written reviews point the same way: 21% of Spider Remote's written reviews are positive against 63% of Katana Librarian's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

Scorecard5 real differences · 5 level
Spider Remote versus Katana Librarian: the parameters behind the verdict, then further details
ParameterSpider RemoteKatana Librarian
PriceFreeFree
Rating2.6 (105 ratings)4.1 (52 ratings) — better
Positive reviews20.6% of reviews63.4% of reviews — better
Number of ratings105 — better52
Update frequencyEvery 3 weeksEvery 3 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better15.0
Further details — not scored
Size73 MB6 MB
Age rating4+4+
DeveloperLine 61000452063 ONTARIO INC.

Customer experience

Spider Remote

All ratings104 ratings
Positive36.5%
Neutral9.6%
Negative53.8%
Written reviews97 reviews
Positive20.6%
Neutral16.5%
Negative62.9%

Katana Librarian

All ratings52 ratings
Positive78.8%
Neutral3.8%
Negative17.3%
Written reviews41 reviews
Positive63.4%
Neutral12.2%
Negative24.4%

Bugs and requests

Spider Remote

Reported bugs

13 issues
  • App crashes when leaving and returning to app
  • Login system broken or sends invalid password reset links
  • Connection not recognized despite correct cable and settings
  • Cloud data fails to load or sync
  • Forced logouts on app close
Show 8 more
  • Firmware update crashes the app
  • Spider tab becomes grayed out and unclickable
  • App freezes with high DPI mouse usage
  • Incompatibility with iPad Pro and iPhone 15 (USB-C)
  • Cannot save custom tones
  • Tone edits don't apply to amp
  • App crashes during idle screen time
  • Connection drops when switching apps

Requested features

10 requests
  • Update app for modern iOS devices and USB-C support
  • Add built-in tuner and metronome
  • Implement tone playlists for better organization
  • Add Japanese language support
  • Improve search functionality with partial matching
Show 5 more
  • Add ability to view complete tone library
  • Implement background app persistence
  • Add dark mode option
  • Better graphics and modern UI redesign
  • Support for multiple parameter assignment to expression pedal

Katana Librarian

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Spider Remote

No in-app purchases

1 purchases

Katana Librarian

One-time1
  • Unlock All Features$15.95

Questions

Is Spider Remote free?
Spider Remote is free to download, with no in-app purchases.
Is Katana Librarian free?
Katana Librarian is free to download, with in-app purchases available.
Which has better reviews, Spider Remote or Katana Librarian?
Katana Librarian is rated higher. Spider Remote averages 2.6 out of 5 from 105 ratings, while Katana Librarian averages 4.1 from 52 ratings.
Do Spider Remote or Katana Librarian have ads?
Neither Spider Remote nor Katana Librarian shows ads.
Which is updated more often, Spider Remote or Katana Librarian?
Spider Remote ships an update every 3 weeks, and Katana Librarian every 3 weeks. Most recently, Spider Remote was updated on October 21, 2026 and Katana Librarian on October 24, 2026.

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