Comparison

Grinds vs Protocol

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

Head to head
About

Grinds

Features
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Grinds: Smart Running Record Manager Stop typing, start running! Grinds is the ultimate smart record management app for runners. Just snap a photo of your race certificate, and let our AI handle the rest. No more tedious manual data entry—just focus on your growth. ▸ AI-Powered Record Extraction - Instant Upload: Simply upload a photo of your race certificate or finisher card. - Smart Recognition: Our AI automatically detects the race name, date, distance, and finish time. - Fast & Accurate: Get precise data extraction in seconds without lifting a finger. ▸ Comprehensive Record Management - Smart Filtering: Organize your achievements by category—Full Marathon, Half, 10K, or 5K. - Visual Progress: Track your growth at a glance with intuitive performance charts. - Edit & Refine: Easily view, manage, and edit your record details anytime. ▸ Built for the Community - You Decide the Future: Suggest new features and vote on upcoming updates. - User-Driven Growth: We evolve by listening to your feedback and the running community’s needs. Manage your running journey smarter with Grinds! Love the grind! Terms of Use & Privacy Policy - Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ - Privacy Policy: https://www.notion.so/Privacy-Policy-2bca725e0144808a85f4cae7b3565c61?source=copy_link

About

Protocol

Build sustainable, science-backed habits for a longer, healthier life. This app offers personalized recommendations for sleep, nutrition, movement, and mental well-being, focusing on small, consistent actions that compound over time. Track your progress and join a community for support on your longevity journey.

Highlights
  • Science-backed longevity protocols
  • Personalized habit recommendations
  • Micro-habit building
  • Progress tracking
  • Community insights
  • Longevity toolkit
Features
Read full description

Build the habits that add years to your life - and life to your years. Protocol turns longevity science into daily habits that actually stick. No extremes. No hacks. Just smart, consistent actions that compound into a longer, better life. What You Get: Science-backed protocols across sleep, nutrition, movement, and mental health Personalized habit recommendations based on your goals and lifestyle Micro-habits that stack into meaningful change Progress tracking that shows how small wins add up Community insights from people building similar habits How It Works: Take the assessment - We learn your goals, experience, and lifestyle Get your protocol - Receive personalized habit recommendations Start small - Begin with one micro-habit that fits your routine Build momentum - Stack new habits as previous ones become automatic Track progress - See how consistency compounds into real results Your Longevity Toolkit: Foundation protocols for energy, sleep, and movement Optimization strategies for stress, nutrition, and recovery Habit stacking guides to build sustainable routines Science explanations that make complex research simple Community features to learn from others on similar journeys Why Protocol Works: We believe small, consistent actions beat dramatic overhauls. Our approach focuses on building identity and systems, not just tracking numbers. Each protocol includes the science behind why it works and practical steps to make it stick. Perfect for: Anyone wanting to live healthier without the overwhelm People tired of conflicting health advice Those ready to build habits that actually last Beginners and optimizers alike Important: Protocol provides general wellness information and is not a substitute for professional medical advice. Our content is for educational purposes only. Always consult qualified healthcare providers for medical concerns or before making significant health changes. Start your longevity journey. One habit at a time. Read more about our terms and conditions here: Terms of service: https://protocol-app.net/terms-of-service Privacy policy: https://protocol-app.net/privacy-policy

Screenshots

Grinds3 screens
Protocol4 screens

Verdict

The call

Grinds and Protocol are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. Grinds sells 2 in-app purchases, starting at $0.99 per month and Protocol sells 5 in-app purchases, starting at $12.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Grinds ships an update fortnightly, Protocol every 2 weeks. The most recent releases landed on October 6, 2026 and October 24, 2026 respectively.

ScorecardNo meaningful differences
Grinds versus Protocol: the parameters behind the verdict, then further details
ParameterGrindsProtocol
PriceFreeFree
Rating—4.2 (53 ratings) — better
Positive reviews—0.0% of reviews
Number of ratings—53 — better
Update frequencyFortnightlyEvery 2 weeks — better
AdsNoNo
In-app purchasesYesYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better16.4
Further details — not scored
Size51 MB108 MB
Age rating4+17+
DeveloperKyeongRyeol KimBrainstash, Inc

In-app purchases

2 purchases

Grinds

Subscriptions2
  • Course Premium Monthly$0.991 Month
  • Yearly Premium$4.991 Year
5 purchases

Protocol

Subscriptions5
  • Pro Monthly Subscription$12.991 Month
  • Pro 3 Months Subscription$24.993 Months
  • Pro Yearly Subscription7 Days trial$89.991 Year
Show 2 more
  • Pro Yearly Subscription$89.991 Year
  • Pro Yearly Subscription7 Days trial$99.991 Year

Questions

Is Grinds free?
Grinds is free to download, with in-app purchases available.
Is Protocol free?
Protocol is free to download, with in-app purchases available.
Do Grinds or Protocol have ads?
Neither Grinds nor Protocol shows ads.
Which is updated more often, Grinds or Protocol?
Grinds ships an update fortnightly, and Protocol every 2 weeks. Most recently, Grinds was updated on October 6, 2026 and Protocol on October 24, 2026.

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