Comparison

NatureDose vs CharlieCheck

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

NatureDose

This app helps you improve your mental and physical health by tracking your time spent outdoors and in nature. It provides personalized nature prescriptions and insights into the benefits of nature exposure, acting as an antidote to screen addiction.

Highlights
  • Track weekly outdoor nature exposure
  • Daily nature dose breakdown
  • Set customized weekly targets
  • Optimize outdoor time with tips
  • Determine neighborhood NatureScore
Read full description

NatureDose® is the leading personalized nature prescription app. Totally free. NatureDose can monitor your time inside, outside, and exposed to natural environments to help you leverage the proven benefits of nature exposure for better mental and physical health. In the current world of never-ending technostress and screen addiction, NatureDose is the antidote to help you unplug for just a few minutes a day. Better health and wellness is right outside. On par with diet, exercise, or adequate sleep, making nature exposure an essential part of your lifestyle is one of the best choices you can make for your health and wellness. Backed by over 500 peer-reviewed scientific studies, increasing your time exposed to natural elements can have profound impacts, from a stronger immune system and reduced anxiety in adults to better eyesight and brain development in kids. In short, these studies prove that nature exposure can result in a longer, healthier, and even happier life. It's no surprise that "Nature Prescriptions" were named one of the top global wellness trends at The Global Wellness Summit and thousands of health care professionals, public health organizations, and governments around the world are employing nature as a health tool. NATUREDOSE FEATURES: - Using a patent-pending technology, NatureDose® can track your weekly outdoor nature prescription in minutes (a “NatureDose”) - Daily NatureDose breakdown - Determine longest nature session by week - Compare week-to-week nature exposure - Determine approximate indoor versus outdoor time by week - Set customized weekly NatureDose targets (for example 120 minutes a week) - Helpful tips, suggestions, and facts to optimize your time outdoors - Determine the relative amount of beneficial nature for any neighborhood (a “NatureScore®”) - Determine the highest NatureScore location by week PARTNER WITH US TO GET OUTSIDE! In addition to personalized health management, NatureDose can be an integral part of: - Corporate health and wellness programs - reduce burnout and keep productivity high - Health insurance - lower medical costs through a safe, scalable, and accessible intervention - Research - Doctor guided prescriptions for preventative care or treatment - Therapy, meditation, and mental health platforms - Physical health or activity/fitness apps - Community/organizational challenges and promotions - Nature based augmented reality and the “gamification” of time outside - White-label nature prescriptions - Any corporation, non-profit, or government agency who is interested in creating a healthier future through time outdoors! Learn more about the connections between nature and health, NatureDose, and NatureScore on our web site. NATURE IS NOT A LUXURY. IT IS A NECESSITY.

About

CharlieCheck

This app helps organize and maintain habits, routines, and commitments for yourself and loved ones. It offers smart, personalized reminders and AI-powered support for accountability and motivation. Collaborate with trusted individuals on shared plans while ensuring your data remains private and secure.

Highlights
  • Habit and routine organization
  • Personalized smart reminders
  • Medication and health tracking
  • Family accountability and coordination
  • AI-powered encouragement and insight
  • Private and secure data management
  • Collaborative planning with trusted contacts
Features
Read full description

Charlie Check is the intelligent companion for you and those you care for — designed to help organize and stay consistent with habits, routines, and commitments that matter most. Whether it’s medication reminders, wellness routines, family check-ins, or daily goals, Charlie keeps you on track with smart alerts and supportive follow-ups. Stay Connected Invite trusted family members, caregivers, patients, or teammates to support or help manage important activities. Collaborate on shared plans while maintaining full control over your data. Smart Reminders That Adapt to You Schedule personalized reminders for yourself or others. Charlie provides real-time check-ins when it’s time to act. If something is missed or needs attention, Charlie will notify you — gently and intelligently. Human-Enablement with AI Support Chat directly with Charlie for encouragement, accountability, and insight. Reflect on progress and receive thoughtful responses designed to support consistency and motivation. Private & Secure Your data is encrypted and protected. You control who sees what. Charlie Check helps you stay on track with: • Medication & health reminders • Family accountability • Caregiver coordination • Habit building • Daily routines SUBSCRIPTION INFORMATION Charlie Check may offer auto-renewable subscriptions that provide access to premium features. • Subscription Title: Premium Plan • Subscription Length: Monthly / Yearly • Payment will be charged to your Apple ID account at confirmation of purchase • Subscription automatically renews unless canceled at least 24 hours before the end of the current period • You can manage and cancel your subscriptions by going to your account settings on the App Store Privacy Policy: https://charliecheck.com/privacy.html Terms of Service: https://charliecheck.com/terms.html Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

NatureDose4 screens
CharlieCheck4 screens

Verdict

The call

The clearest difference is in-app purchases: NatureDose at none against CharlieCheck's 2. NatureDose also leads on ratings volume (674 vs 1). CharlieCheck's advantage is ads (none vs shown) and rating (5.0 vs 4.6). On price, monetization model, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. CharlieCheck sells 2 in-app purchases, starting at $19.99 per month. NatureDose asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

CharlieCheck holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: NatureDose has 674 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

NatureDose ships an update every 6 weeks, CharlieCheck every 2 weeks. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.

Scorecard5 real differences · 5 level
NatureDose versus CharlieCheck: the parameters behind the verdict, then further details
ParameterNatureDoseCharlieCheck
PriceFreeFree
Rating4.6 (674 ratings)5.0 (1 ratings) — better
Positive reviews63.6% of reviews—
Number of ratings674 — better1
Update frequencyEvery 6 weeksEvery 2 weeks — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhoneiPhone, iPod — better
Requires iOS16.015.0 — better
Further details — not scored
Size31 MB49 MB
Age rating4+4+
DeveloperNatureQuantShyft, LLC

Customer experience

NatureDose

All ratings565 ratings
Positive87.4%
Neutral5.1%
Negative7.4%
Written reviews44 reviews
Positive63.6%
Neutral9.1%
Negative27.3%

CharlieCheck

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

NatureDose

Reported bugs

3 issues
  • Fails to recognize outdoor time spent
  • Incorrectly logs indoor time as outdoor
  • Doesn't work in certain areas/locations

Requested features

4 requests
  • More transparency in NatureScore calculation
  • Ability to manually log/edit outdoor time
  • Interactive map feature to find high-scoring areas
  • Daily/weekly summaries and insights

CharlieCheck

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

NatureDose

No in-app purchases

2 purchases

CharlieCheck

Subscriptions2
  • Monthly Medium$19.991 Month
  • Monthly Large$29.991 Month

Questions

Is NatureDose free?
NatureDose is free to download, with no in-app purchases.
Is CharlieCheck free?
CharlieCheck is free to download, with in-app purchases available.
Which has better reviews, NatureDose or CharlieCheck?
CharlieCheck is rated higher. NatureDose averages 4.6 out of 5 from 674 ratings, while CharlieCheck averages 5.0 from 1 ratings.
Do NatureDose or CharlieCheck have ads?
NatureDose shows ads; CharlieCheck does not.
Which is updated more often, NatureDose or CharlieCheck?
NatureDose ships an update every 6 weeks, and CharlieCheck every 2 weeks. Most recently, NatureDose was updated on November 7, 2026 and CharlieCheck on October 30, 2026.

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