Fender Tone vs iontuner
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Wireless amp connection
- Real-time sound editing
- Preset management
- Cloud backup and restore
- Download community presets
- Share custom tones
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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.
iontuner
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
| Parameter | Fender Tone | iontuner |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (4.3K ratings) — better | — |
| Positive reviews | 34.4% of reviews | — |
| Number of ratings | 4.3K — better | — |
| Update frequency | Every 6 weeks | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15 — better | 17.6 |
| Further details — not scored | ||
| Size | 118 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Fender Digital | Seth 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
Fender Tone
No in-app purchases
iontuner
No in-app purchases









