Comparison

100 Day Challenge vs Evoday

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

Head to head
About

100 Day Challenge

This app provides a system, tools, and growth hacking strategies to transform your life and career in 100 days. It offers a master class in exponential growth, focusing on performance sprints and superior execution strategies to bridge the gap between intentions and results.

Highlights
  • System for exponential growth
  • Tools and growth hacking strategies
  • 100-day transformation program
  • Performance sprint framework
  • Daily accountability
  • Superior execution strategies
Features
Read full description

Transform Your Life In 100 Days The 100 Day Challenge is a MASTER CLASS IN EXPONENTIAL GROWTH. It was created to provide you with the system, tools and growth hacking strategies you need to transform your life and career in 100 days. As a MEMBER, you have direct access to the entire program whenever you want, wherever you want. 24 hours a day, 365 days a year. As a GUEST, you will enjoy access to Gary Ryan Blair's most powerful ideas and proven tactics — 100% FREE! DON'T BE LEFT BEHIND While technology is multiplying our capabilities as a civilization...too many people and organizations are operating with out-dated beliefs and execution strategies which make them vulnerable and uncompetitive in a hyper-competitive world. Because the marketplace ONLY REWARDS RESULTS, the solution requires the adoption of superior execution strategies and faster response time. THE POWER OF PERFORMANCE SPRINTS When you set goals in the context of a 100 DAY SPRINT...you no longer have the luxury of putting off decisions or not taking action. By compressing deadlines, enforcing daily accountability and taking massive, relentless action...you dramatically reduce the time it takes to achieve your goals, close performance gaps and set new records. That's why you're going to ve the 100 Day Challenge. WHY PARTICIPATE? On a global scale, there is an ever EXPANDING GAP between between intentions and results. The goals that companies and people set for themselves often bear little resemblance to the results they actually achieve. The root cause of the gap is that most of us do not have a proven execution process in place. The 100 Day Challenge solves that problem. GARY RYAN BLAIR If you’re a businessperson, entrepreneur, athlete, coach, parent, or someone who wants to accelerate their win rate, play a much bigger game and unleash their greatness...I can help. Over the years, I’ve become known as The Goals Guy and developed a reputation as someone who high-performing people and organizations like the Navy SEALs, Army Delta Force and other elite units go to when they want to elevate and expedite game-changing results. With the 100 Day Challenge...I wanted to share with you the same methods I have learned and leveraged to shatter sales goals, quickly grow a number of multimillion dollar businesses, and coach people to extraordinary, legacy defining performances. And...I accept full responsibility for inspiring people to do insane things like climb Mount Everest, run their first triathlon, launch their own businesses, and say adios to their comfort zone...forever. I'm confident that I can do the same for you!

About

Evoday

Visually track your daily habits, build positive routines, and break unwanted ones. Stay motivated with progress grids, calendars, and widgets that keep your goals top of mind. Export your data for safekeeping.

Highlights
  • Build good habits and break bad ones
  • Track progress on grids and calendars
  • View current and longest streaks
  • Home screen widgets for progress
  • Export habit data
  • Privacy-focused data storage
Features
Read full description

Visual habit tracker to build good habits, break bad ones, and stay motivated with grids, calendars & widgets. Used by hundreds of thousands! ▶ HOW IT WORKS • Create the habits you want to build or break • Log your progress every day • See your streaks, completion rates, and long-term progress • Stay motivated with beautiful calendars, grids, and widgets ▶ WHY IT WORKS • Big changes come from small actions repeated over time • Clear visual progress helps you stay consistent • Streaks, stats, and widgets keep your habits top of mind Evoday helps you stay motivated and keep going, day after day. ▶ FEATURES • Build good habits and break bad ones • Track your progress on beautiful grids and calendars • See your current streak, longest streak, and completion rates • Home Screen widgets: weekly calendar, monthly calendar, last 3 months, last 20 weeks, and more • Share beautifully formatted habit calendars • Export your data and keep your own backup • Your habit data never leaves your phone, except in your iCloud backups ▶ MADE BY A SOLO DEVELOPER Feel free to send your questions, suggestions, or feature requests from inside the app. I read and answer them myself! Kevin Privacy Policy & Terms of Use: https://www.cosmictaps.com/evoday/privacy

Screenshots

100 Day Challenge4 screens
Evoday4 screens

Verdict

The call

The clearest difference is rating: Evoday at 4.8 against 100 Day Challenge's 3.9. Evoday also leads on update cadence (every 10 days vs every 3 months) and ratings volume (1.4K vs 17). 100 Day Challenge's advantage is in-app purchases (none vs 10) and device support (3 vs 1). On price, ads and monetization model 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. Evoday sells 7 in-app purchases, starting at $5.99 per month. 100 Day Challenge asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Evoday holds the better App Store score, 4.8 against 3.9. That said, the two scores are not equally well evidenced: Evoday has 1.4K ratings behind it against 17, so its average is the more settled of the two. Written reviews point the same way: 70% of 100 Day Challenge's written reviews are positive against 90% of Evoday's.

UpkeepUpdate frequency

100 Day Challenge ships an update every 3 months, Evoday every 10 days. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.

Scorecard7 real differences · 3 level
100 Day Challenge versus Evoday: the parameters behind the verdict, then further details
Parameter100 Day ChallengeEvoday
PriceFreeFree
Rating3.9 (17 ratings)4.8 (1.4K ratings) — better
Positive reviews69.8% of reviews89.8% of reviews — better
Number of ratings171.4K — better
Update frequencyEvery 3 monthsEvery 10 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFreemiumFreemium
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS11.0 — better17.0
Further details — not scored
Size16 MB43 MB
Age rating17+4+
DeveloperGoals Guy, LLCCosmic Taps SL

Customer experience

100 Day Challenge

All ratings17 ratings
Positive70.6%
Neutral5.9%
Negative23.5%
Written reviews43 reviews
Positive69.8%
Neutral0.0%
Negative30.2%

Evoday

All ratings1,366 ratings
Positive94.2%
Neutral2.7%
Negative3.1%
Written reviews508 reviews
Positive89.8%
Neutral3.9%
Negative6.3%

Bugs and requests

100 Day Challenge

Not enough reviews yet to summarise bugs or requests.

Evoday

Reported bugs

3 issues
  • Reminders not working for some users
  • Syncing issues with iCloud reported
  • App crashing after recent updates

Requested features

5 requests
  • Add ability to track negative habits
  • Implement interactive home screen widgets
  • Include a notes/comments section for habits
  • Provide more advanced statistics and analytics
  • Allow setting weekly or monthly habit goals

In-app purchases

None

100 Day Challenge

No in-app purchases

7 purchases

Evoday

Subscriptions5
  • Evoday Premium2 variants$5.991 Month
  • Evoday Premium$8.991 Month
  • Evoday Premium2 variants$9.991 Year
Show 2 more
  • Evoday Premium2 variants$19.991 Year
  • Evoday Premium3 Days trial$19.991 Year
One-time2
  • Evoday Premium Lifetime$8.99
  • Evoday Premium Lifetime$39.99

Questions

Is 100 Day Challenge free?
100 Day Challenge is free to download, with no in-app purchases.
Is Evoday free?
Evoday is free to download, with in-app purchases available.
Which has better reviews, 100 Day Challenge or Evoday?
Evoday is rated higher. 100 Day Challenge averages 3.9 out of 5 from 17 ratings, while Evoday averages 4.8 from 1.4K ratings.
Do 100 Day Challenge or Evoday have ads?
Neither 100 Day Challenge nor Evoday shows ads.
Which is updated more often, 100 Day Challenge or Evoday?
100 Day Challenge ships an update every 3 months, and Evoday every 10 days. Most recently, 100 Day Challenge was updated on November 1, 2026 and Evoday on November 6, 2026.

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