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Tavita vs Nagi

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Tavita compared with Nagi
DetailTavita logo TavitaNagi logo Nagi
What it doesDrug interaction checker app that knows what you take Hear your own night
StageEstablished Not given
FoundedNot given Not given
Based inNot given JP
Pricing modelFreemium Freemium
PricingFree with no account. Pro is $12.99 per month or $59.99 per year. Free basic recording and playback. Paid plans: ¥380 a month, $4.99 a month, or prices shown in your store, for access to weather data and sound library.
Key features
  • Drug interaction checker against over 15,000 known pairs
  • Barcode scanning for medicines and supplements
  • Water and hydration tracking
  • Weekly AI insight reports with Pro
  • Menstrual cycle tracking
  • Nutrition targets by life stage
  • Safety report covering moderate interactions
  • Progress photo journal
  • One-tap recording at bedtime and morning
  • Loud minute tracking with peak identification
  • Playback of loudest moments
  • Mark sounds as 'not me' to identify whose sound it was
  • 14-day audio retention on device
  • Trend charts comparing nights to your usual
  • Integration with health apps via Health Connect
  • Shareable night record images
  • Sound library with sleep music and rain sounds
What makes it different
  • Built by a patient with stage-5 kidney disease living the app's use case
  • Data stays on your phone with no account, ads, or trackers
  • Draws from FDA, NIH, and published research sources, not guesswork
  • Organizes timing around food and other factors affecting absorption
  • Treats interaction checking as a second check to discuss with doctor, never a replacement
  • No diagnosis or medical claims—only your own recording and numbers
  • All recordings stay on your phone; sounds never leave the device
  • Basic recording and playback always free with no limits
  • Compares only to your own usual, never to population norms or targets
Community votes00
DR (Domain Rating by Ahrefs)7 +2 (up) since last check6 no change since last check
Trust Flow (Majestic)280
Citation Flow (Majestic)229
Referring domains (Majestic)274

5 details filled in for both companies.

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