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Screenshots

  • Ossiato: Stutter & Stammer screenshot 1
  • Ossiato: Stutter & Stammer screenshot 2
  • Ossiato: Stutter & Stammer screenshot 3
  • Ossiato: Stutter & Stammer screenshot 4

About Ossiato: Stutter & Stammer

Ossiato is a pocket tool that helps you speak more smoothly right now — and practise every day so you can speak confidently without it. Put on headphones and tap once. You hear your own voice with a short delay (DAF) and, if you like, a slightly lower pitch (FAF). Many people who stutter find their speech flows more easily with this kind of feedback. It keeps working with the screen locked — in conversations, presentations and interviews. ONE CALM BUTTON • Presets for conversation, presentations, calls and practice — switch in a second. • Quick adjust: delay and pitch sliders right on the main screen. • Live Activity, Control Center, Action Button and Apple Watch to start and stop without unlocking. HONEST LATENCY • Ossiato measures your headphones and shows the delay you actually hear. • Wired headphones give the shortest delay; AirPods and other Bluetooth headphones work too. A SKILL THAT STAYS • An 8-week programme, 10–15 minutes a day: reading aloud, gentle onsets, stretched speech, free speaking. • Support is reduced step by step so the skill carries over into everyday speech. PHONE-CALL TRAINER • Rehearse booking a doctor, talking to a courier or answering a recruiter. • Choose a patient, hurried or clarifying caller. Delayed feedback can fade out during the call. PROGRESS YOU CAN HEAR • Your own ratings, pace and pauses, week by week. • Listen to the same text a month ago and now. PRIVATE BY DESIGN • Audio is processed on your iPhone. Recordings never leave the device. No account, no ads, no tracking. OSSIATO PRO Free: Live DAF with no time limit, the Conversation preset, three exercises, three practice calls a week and 7 days of progress. Ossiato Pro unlocks pitch shift (FAF), masker and metronome, all presets and your own, the full 8-week programme and exercise library, unlimited practice calls, full progress with recordings, Control Center, Action Button and Apple Watch: yearly with a 7-day free trial, monthly, or a one-time lifetime purchase. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the period; manage them in your Apple ID settings. Terms: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy: https://evgeniybruchkovskiy.github.io/ossiato-legal/privacy.html Ossiato is a practice tool, not a medical device, and does not replace working with a speech-language professional. iOS does not allow apps to change the sound of real phone calls — that's why Ossiato includes a call trainer.

What’s new

Version 1.0.1 · Updated October 5, 2026

Clearer store page and a few small improvements. After a session that felt smooth, Ossiato may now ask once whether you'd like to rate it — it really helps other people who stutter find the app.

App privacy

The developer, Yevhenii Bruchkovskyi, reported these privacy practices to Apple.

Data Not Linked to You

The following data, which may be collected but is not linked to your identity, may be used for the following purposes:

  • User Content: Other User Content
  • Identifiers: Device ID

Used for: App Functionality

Alternatives to Ossiato: Stutter & Stammer

Looking for apps like Ossiato: Stutter & Stammer? Here are 6 similar apps on the App Store. The highest rated is StutterFlow Stuttering Therapy (3.5/5), and all 6 are free to download.

Ossiato: Stutter & Stammer vs. alternatives
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Tartamudez Center – Free May 22, 2025 Compare
StutterFlow Stuttering Therapy 3.5 / 5 (2) Free Aug 22, 2026 Compare
Speechflo: Stuttering Therapy – Free Oct 13, 2026 Compare
FreeTalk: Stuttering treatment – Free Apr 29, 2026 Compare

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