Munen
Screen-time app that adjusts friction based on how you actually used your phone yesterday
Munen doesn't block apps outright — it computes a daily 'zone' from screen time, nighttime use and app opens, then adds a pause of varying length before you open a distraction, always leaving the choice to you. It cites specific peer-reviewed studies behind its friction approach (like a CHI 2024 paper showing subtle friction cut usage 15.6% more than a timed lockout) while explicitly saying it doesn't promise you'll get those same results. Journal entries and metrics stay on your phone, and only text sent to an AI feature you turn on leaves the device.
What holds up
- +Explicitly says it won't guarantee the results of the studies it cites, unlike vaguer wellness claims
- +Zone calculation runs from on-device signals only — journal, reflections and metrics stay on your phone
- +Adaptive pauses instead of rigid blocks, addressing the stated problem that rigid blockers get switched off by day three
Mind the limits
- −No pricing details were given, and a Premium tier is mentioned without specifics
- −Any AI journal feature sends your reflection text off-device to generate a response
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