#1 · Mightier
Best for: Younger teens (and tweens) building emotional regulation via gameplay + heart-rate biofeedbackBiofeedback emotional-regulation game — clinically validated for ages 6-15, strongest teen evidence base.
Mightier is the strongest teen anxiety tool, particularly for ages 8-14. The biofeedback game format works where standard CBT apps fail with this age group — anxiety becomes a measurable, visible thing the teen learns to regulate through gameplay. For tweens and younger teens, this is the first pick; for older teens (16+), it may feel too young.
Strengths
- +Built by Boston Children's Hospital — strongest research base in adolescent populations
- +Biofeedback approach (heart rate via included monitor) makes anxiety regulation tangible for teens who don't engage with abstract CBT
- +Game format fits teen engagement patterns far better than journaling or chat
- +Peer-reviewed evidence in pediatric anxiety populations
Where it falls short
- −Subscription is expensive — insurance reimbursement sometimes available
- −Designed primarily for ages 6-15; older teens may find it too gamified
- −Hardware-dependent (heart-rate monitor)
Pricing
Subscription ~$25/mo or $300/yr (includes heart-rate monitor).
Platforms
iOS, Android (tablet preferred)
vs. ILTY
Mightier is the right pick for younger teens (under 16). ILTY is adult-targeted and the wrong shape for this age group.