Comparison

Fender Tone vs iontuner

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

Head to head
About

Fender Tone

This app is a wireless companion for Fender Mustang and Rumble amplifiers. It allows real-time sound editing, preset management, and cloud backup. Users can also discover and download tones created by a community of players and artists.

Highlights
  • Wireless amp connection
  • Real-time sound editing
  • Preset management
  • Cloud backup and restore
  • Download community presets
  • Share custom tones
Read full description

Fender Tone® is the ultimate companion app to the Fender® Mustang™ Micro Plus, LTX, GTX, GT, and Rumble™ Stage/Studio amplifiers. • REQUIRES A FENDER® MUSTANG™ MICRO PLUS, LTX, GTX, GT, OR RUMBLE™ STAGE/STUDIO AMPLIFIER * Fender Tone® connects wirelessly to your amp so you can edit your sounds in real-time from across the room, backup & restore your presets to the cloud, or audition and download thousands of tones created by Fender’s community of players and artists. MANAGE PRESETS • Quickly navigate presets on your amp. • Edit, save, and play in real-time through your connected Mustang™ Micro Plus, LTX, GTX, GT, or Rumble™ Stage/Studio amp. EASY EDITING • Intuitive interface & responsive design for easy editing. • Endless sound tweaking for your Mustang™ Micro Plus, LTX, GTX, GT or Rumble™ amps. CLOUD PRESETS • Search, browse and download presets from the Fender Tone® community. • Discover presets by well-known artists & players created exclusively for Fender Tone®. • Create your own custom tones and share your presets with others.

About

iontuner

Features
Read full description

The honest tuner. Free, no ads, no subscriptions, no sign-up, no data collection. iontuner does one thing well: it helps you tune your instrument quickly and accurately. Open the app, pick your instrument, play a string, watch the needle. That's it. INSTRUMENTS Built for guitar, 12-string guitar, bass, double bass, ukulele, violin, viola, cello, mandolin, banjo, piano, and chromatic mode. Tap "Show world instruments" to access oud, saz, charango, cuatro (Venezuelan and Puerto Rican), tres cubano, bouzouki (Greek and Irish), balalaika, erhu, and pipa — with proper regional tuning traditions for each. 40+ TUNINGS Standard, Drop D, DADGAD, Open G, Half Step Down, and dozens more. Five double bass tunings including the historical Viennese tuning. Multiple regional traditions for oud (Arabic, Iraqi, Turkish, Egyptian) and bouzouki (tetrachordo, trichordo, Irish). Star your favorites for quick access. FIVE CONCERT A PITCHES 440 Hz (Standard), 442 Hz (Orchestral), 432 Hz (Alternative), 430 Hz (Classical), and 415 Hz (Baroque). For period instrument musicians, modern orchestras, and everyone in between. SUB-CENT PRECISION Standard mode hits ±1 cent accuracy for everyday tuning. Pro mode goes sub-cent for piano tuning, double bass low octave, and reference work. CUSTOM TUNINGS Build your own tunings string by string. Save unlimited custom presets. Frequencies update automatically when you change Concert A. REFERENCE TONES Play a clean reference pitch for each string. Tap, tune by ear, tap to stop. DESIGNED FOR YOUR INSTRUMENT Each instrument has its own detection profile — buffer sizes, filter cutoffs, and harmonic correction tuned for what you're actually playing. Bowed strings get extra smoothing. Bass instruments get expanded low-frequency analysis. Double bass detection reaches down to B0 (30.9 Hz). WHAT YOU WON'T FIND No ads. No subscriptions. No in-app purchases. No "premium tier." No data collection. No analytics. No account creation. No paywall after seven free uses. No "unlock with rating." Nothing tracking you, ever. 10 LANGUAGES English, Spanish, Portuguese, French, German, Italian, Russian, Arabic, Chinese (Simplified), Japanese, and Korean. iPad AND iPHONE Designed for both. iPad gets a sidebar layout that keeps everything visible. PRIVACY Audio is analyzed entirely on your device. Nothing leaves your phone. Ever. Built by a solo developer who got tired of tuner apps full of ads and paywalls. iontuner is what a tuner app should be. Open the app. Tune your instrument. Close the app. Make music.

Screenshots

Fender Tone3 screens
iontuner3 screens

Verdict

The call

The clearest difference is update cadence: iontuner at every 3 weeks against Fender Tone's every 6 weeks. Fender Tone's advantage is iOS requirement (15 vs 17.6). 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

Fender Tone ships an update every 6 weeks, iontuner every 3 weeks. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.

Scorecard2 real differences · 8 level
Fender Tone versus iontuner: the parameters behind the verdict, then further details
ParameterFender Toneiontuner
PriceFreeFree
Rating4.6 (4.3K ratings) — better—
Positive reviews34.4% of reviews—
Number of ratings4.3K — better—
Update frequencyEvery 6 weeksEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15 — better17.6
Further details — not scored
Size118 MB2 MB
Age rating4+4+
DeveloperFender DigitalSeth Adam Mundall

Bugs and requests

Fender Tone

Reported bugs

4 issues
  • Presets not syncing correctly between app and amp
  • App crashing or freezing during use
  • Incorrect firmware update prompts
  • Search functionality not working as expected

Requested features

5 requests
  • Portrait mode support
  • Ability to reorder presets
  • Cloud backup and sync for presets
  • Detailed amp/effect parameter controls
  • Integrated tuner in the app

iontuner

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Fender Tone

No in-app purchases

None

iontuner

No in-app purchases

Questions

Is Fender Tone free?
Fender Tone is free to download, with no in-app purchases.
Is iontuner free?
iontuner is free to download, with no in-app purchases.
Do Fender Tone or iontuner have ads?
Neither Fender Tone nor iontuner shows ads.
Which is updated more often, Fender Tone or iontuner?
Fender Tone ships an update every 6 weeks, and iontuner every 3 weeks. Most recently, Fender Tone was updated on November 6, 2026 and iontuner on November 5, 2026.

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