Protocol66 app icon

Apps Like Protocol66 for iPhone and iPad

by POCKET APPS STUDIO PTE. LTD.★ 0.00 ratingsProductivityFreeData updated 2026-09-06

Ranked alternatives

Showing 301–320 of 1,000 ranked alternatives.

  1. Pocket Smile app icon

    Pocket Smile

    University College London

    See if smiles increase happiness.

    The app presents users with images of smiling faces or landscapes for 10 days. After 10 days, mood changes are tracked, and the image type switches for the next 10 days.

    ★ 0.00 ratingsHealth & FitnessFreeData updated 2026-10-20
  2. MyAge AI app icon

    MyAge AI

    Gavin Bates

    Scan foods, track aging, view biological age

    Track biological age in real time and view changes on specific days. Use AI to analyze how lifestyle choices impact aging. Scan foods to see their effects and identify aging-reversing options. Log daily habits to support longevity.

    ★ 0.00 ratingsHealth & FitnessFreeData updated 2026-09-06
  3. Study Timer & Focus: Noko app icon

    Study Timer & Focus: Noko

    Florian Schweizer

    With timers and chat with buddies

    With gamified timers for focused sessions and breaks. Chat with buddies in real time for support and tips. Track progress through streaks, experience points, and awards. Compete with friends on leaderboards and celebrate achievements.

    ★ 5.02 ratingsEducationFreeData updated 2026-09-06

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.