Peterson iStroboSoft
The facts below are what the maker publishes about Peterson iStroboSoft, checked and dated. Our editors have not written about it yet.
Plans and prices
From Peterson iStroboSoft's own pricing page, checked 11 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| iStroboSoft | $9.99, paid once | iOS mobile app · optional in-app upgrades |
The facts
Each one read from Peterson iStroboSoft's own pages, with the date it was checked.
What it does
- Audio accessory support
- The FAQ says the Pitch Grabber requires an audio-input-capable TRRS adapter; a headphone adapter alone will not work.checked 11 Oct 2026
- Display and calibration
- The app supports automatic or manual note selection, A=440 default pitch calibration, and cents, hertz, or MIDI note displays.checked 11 Oct 2026
- Frequency range
- The listed standard frequency response is 20 Hz–5000 Hz; optional extended frequency modes reach up to 22.05 kHz.checked 11 Oct 2026
- Inputs
- Users can tune electric instruments by plugging in or tune acoustic instruments with the device’s built-in microphone.checked 11 Oct 2026
- Integration compatibility
- The specifications say iStroboSoft is not Peterson Connect compatible.checked 11 Oct 2026
- Intended users
- The maker describes it for musicians who want precise tuning while on the move or before recording, and lists presets for many instrument families.checked 11 Oct 2026
- Optional analysis tools
- iOS in-app upgrades include tuning scopes, harmonic tuning, and extended frequency mode; the page also describes a multicolor spectrogram upgrade.checked 11 Oct 2026
- Other limits
- The specifications say it has no metronome, tone generator, stretch tuning tables, or tap tuning capability.checked 11 Oct 2026
- Preset limit
- The app does not support user presets; its FAQ says presets are configured at the factory.checked 11 Oct 2026
- Purpose
- iStroboSoft is a mobile strobe tuner for tuning instruments with 0.1-cent accuracy.checked 11 Oct 2026
- Support
- The product page links to a user guide and offers a support ticket for personalized product support.checked 11 Oct 2026
- Sweetened tunings
- The product page lists 76 sweetened tunings as an in-app purchase and describes presets for instruments including guitar, bass, steel guitar, orchestral instruments, and piano.checked 11 Oct 2026
- Transposition
- Drop/Capo mode transposes notes up or down by as much as one octave.checked 11 Oct 2026
The company
- Company and founding
- Peterson identifies the maker as Peterson Electro-Musical Products, Inc.; its company history says it was founded in Chicago in 1948.checked 11 Oct 2026
- Founded
- 1948checked 28 Sep 2026
- Headquarters
- Alsip, Illinois, USAchecked 28 Sep 2026
Alternatives to Peterson iStroboSoft
- 1
GuitarTuner.io
Free planAndroidiOSWebmacOS7.9$4.99 one-time - 2

ChromTuner
Free planiOSWebmacOS7.1$6.99 one-time - 3

Centerline
Free planAndroidiOSmacOS7.0$3.99 one-time - 4
Intunator
AndroidiOS7.0From €17.99 a year - 5

Cifra Club Tuner
Free planAndroidiOSWeb6.9Free plan - 6
insTuner
Free planiOSmacOS6.8$3.99 one-time
