# TMS Toolbox — Motor threshold & F3 locator

> Motor threshold & F3 locator (iPhone/iPad app by Xeebrah Digital.)

- Source: https://appshunter.io/ios/app/tms-toolbox/id6774737624 (this page in markdown: same URL + `.md`)
- Developer: [Xeebrah Digital](https://appshunter.io/developer/1833929454)
- Category: Utilities, Education
- Price: $0.99
- Age rating: 4+
- Requires: iOS 15.0 · 18 MB
- Languages: American English
- Released: 2026-10-06
- Data updated: 2026-10-11
- User reviews in markdown: https://appshunter.io/ios/app/tms-toolbox/id6774737624/reviews.md

## What is TMS Toolbox?

TMS Tools is a suite of computational aids for transcranial magnetic stimulation research and clinical training. Every calculation runs on your device — no
  account, no internet connection, and no data leaves the phone.

  FOUR TOOLS

  MTAT — Motor Threshold (Maximum-Likelihood)
  Maximum-likelihood motor-threshold estimation with confidence intervals, implementing four parameter-estimation methods: estimation without a priori
  information, estimation constrained to the 20–80% MSO range, refinement of a raw estimate, and confirmation of an existing estimate.

  Adaptive PEST
  Non-parametric staircase motor-threshold estimation using PEST step rules, for situations where a distribution-free approach is preferred.

  Beam F3 — Left DLPFC
  Scalp-measurement localizer for the left dorsolateral prefrontal cortex, using head circumference, nasion–inion and tragus–tragus measurements to produce
  X/Y coordinates.

  EZ-EEG 10-20 System
  Interactive 10-20 scalp targeting with centimetre-distance guidance from the vertex.

  BUILT FOR THE LAB AND THE CLINIC

  • Works entirely offline — nothing to configure before a session
  • Session logs can be saved to your device and retrieved through the Files app
  • Published method citations included in full under Credits
  • No advertising, no analytics, no tracking, no accounts

  INTENDED USERS

  TMS Tools is intended exclusively for trained TMS researchers, clinicians, and technicians qualified to administer TMS and interpret its results. It is not
  intended for use by patients, or by anyone without appropriate training in TMS technique, motor-threshold determination, and scalp-based cortical
  localization.

  IMPORTANT

  TMS Tools is an educational, research, and calculation aid. It is not a medical device, and it is not cleared, approved, or registered as one by the FDA or
  any other regulatory authority. It does not diagnose, treat, cure, or prevent any disease or condition. It must not be used as the sole basis for clinical
  decision-making. Every value it produces must be independently verified by a qualified professional before being acted upon.

  Xeebrah · info@xeebrah.com


## Version history (last 1 release)

### 1.0 — 2026-10-06

No release notes.

## More apps by Xeebrah Digital

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- [Chicken-AI](https://appshunter.io/ios/app/chicken-ai/id6753690542)
- [Zyra Stone](https://appshunter.io/ios/app/zyra-stone/id6755403153)

All apps by Xeebrah Digital: https://appshunter.io/developer/1833929454

## Related topics

[neuromodulation](https://appshunter.io/ios/topics/neuromodulation)

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*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 2026-10-11.*