Shimmer ADHD
Helping teens & adults with ADHD ✨🧠
Zero
Fasting made simple.
Updated February 2026
| Shimmer ADHD | Zero | |
|---|---|---|
| Rating | 5.0★ | 3.0★ |
| Reviews | 19 | 3 |
| Pros | 23 | 0 |
| FactScore™ | 65.1 | 18.1 |
FactScore™ Comparison
FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.
Pros & Cons
Only in Shimmer ADHD — Pros
Expert coaches Focus on ADHD-specific issues Personalized coaching Supportive staff Accountability support Helpful for late diagnosis Ongoing product improvement Open to feedback Dedicated coach Easy to use app Emotional support Goal setting Positive mental health impact Actionable exercises Affordable pricing Body doubling sessions Community involvement Excellent onboarding questionnaire Flexible scheduling Habit building Improves productivity Personalized experience Support for working parentsBoth tools — Pros
—Only in Zero — Pros
No unique pros listedOnly in Shimmer ADHD — Cons
—Both tools — Cons
—Only in Zero — Cons
—Details
| Shimmer ADHD | Zero | |
|---|---|---|
| Categories | Video conferencing, Health & Fitness, Mental Health | Health & Fitness, Mental Health |
| Platforms | Web | Web · iOS |
| Became Popular | July 15, 2021 | February 8, 2019 |
| Website | www.shimmer.care | www.zerofasting.com |
Who Should Pick Which?
Choose Shimmer ADHD if...
- Expert coaches
- Focus on ADHD-specific issues
- Personalized coaching
Choose Zero if...
- No unique pros listed
With a FactScore™ of 65.1 vs 18.1, Shimmer ADHD leads in community reception. Shimmer ADHD uniquely offers Expert coaches and Focus on ADHD-specific issues, while Zero stands out for No unique pros listed.
What Users Say
Shimmer ADHD
No reviews yet
Zero
I tried Zero Plus for a few weeks. Didn’t work for me, I didn’t lose anything or see any results. I cancelled any further auto renewal subscriptions, which Zero confirmed the cancellation via email...
What has happened to the orange display !!?? Mine changed mid-fast to a yucky brown colour that is hard to read and doesn’t have the stages - can you change the display on free version !? Please help.
Related Comparisons
Frequently Asked Questions
Which is better, Shimmer ADHD or Zero?
Based on FactScore™, Shimmer ADHD leads with a score of 65.1 vs 18.1. Shimmer ADHD has a higher rating of 5.0★ compared to 3.0★.
What are the pros of Shimmer ADHD compared to Zero?
Shimmer ADHD uniquely offers: Expert coaches, Focus on ADHD-specific issues, Personalized coaching, Supportive staff, Accountability support.
What are the pros of Zero compared to Shimmer ADHD?
Zero uniquely offers: No unique pros listed.
Is Shimmer ADHD better rated than Zero?
Shimmer ADHD is rated 5.0★ from 19 reviews. Zero is rated 3.0★ from 3 reviews.
What is the FactScore™ of Shimmer ADHD and Zero?
FactScore™ weighs rating and review volume together. Shimmer ADHD scores 65.1 and Zero scores 18.1.
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