Most of how you feel never makes it into words. Fenno listens to your tone, pace, and energy — and quietly shows you the version of yourself you rarely get to see.
On-device · Encrypted · Yours
No forms. No mood emojis. You just talk, and Fenno does the noticing.
How loud and how varied your voice was — measured across the whole recording and compared with your own normal.
Words per minute, how steady your pace was, and the "um"s and "like"s you didn't notice — each one you can replay.
How often and how long you pause, and how regular the gaps between your phrases are.
Your tone and your words, side by side — so you can judge for yourself how they came across.
If a recording doesn't have enough clear speech, Fenno tells you instead of inventing a score.
Energy and People lenses (beta) show patterns across recordings. Weekly Mirror reflects the week you just lived.
For the quietly curious — people who want to understand themselves more clearly.
Understand yourself better without journaling every night. Let your voice reveal what writing sometimes can't.
Practice a presentation, interview or hard conversation, see your pace and filler words, and try again.
Cut filler words and slow down when you're nervous — and watch the change across weeks.
Prepare for hard conversations by reviewing easy ones. Build a calmer, more aware relationship with your own speech.
Your voice is not training data. Your voice is yours.
All voice analysis runs locally on your iPhone. Nothing is sent anywhere.
Your recordings are protected by iOS encryption on your device. No cloud processing, no accounts, no uploads.
Zero third-party trackers. No one reads your transcripts. No data selling — ever.
Full control over your data. Remove any recording or analysis instantly.
Start free. Go deeper when you're ready.
Speech research has long studied features such as speaking rate, pause patterns, pitch variation and vocal energy. Fenno measures these features on your own recordings and reflects them back to you — as observations about how you spoke, not as a diagnosis of how you feel.
Transcription uses Apple's Speech framework in on-device mode; signal processing measures pace, pauses, energy and pitch. These are combined into a Delivery score built only from how you spoke — the mood of what you talked about never lowers it. After a few recordings, Fenno compares you with your own normal rather than with strangers.
Voice & Words places your tone next to your transcript so you can judge for yourself how a moment came across. The Weekly Mirror gathers your recordings into a short look back at the week, and the Energy and People lenses (beta) show patterns across recordings.
Fenno is developed by umay.dev, with a deep commitment to making voice-based wellness tools that are private, accessible, and genuinely useful for daily self-awareness.
Fenno is a wellness tool, not a diagnostic or recording tool. Before capturing a conversation, please make sure everyone involved is aware and consents. Laws on consent vary by region.
Reflect on your speaking pace, filler words and vocal energy with Fenno for iPhone. Voice analysis runs on your device, with encrypted local recordings.
Check the App Store for supported devices, minimum OS version, availability in your region and current local pricing. Some features may require an in-app purchase.
View on App StoreExplore our iPhone and Mac app guides.
Privacy policy · Terms of use · Contact support · Explore all apps