Comparison

100 Days After vs 100 Day Challenge

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

Head to head
About

100 Days After

Calculate the 100th day from any given date or celebrate anniversaries. Export calculated dates as events to your iPhone's calendar.

Highlights
  • Calculate 100th day from any date
  • Celebrate anniversaries
  • Export dates as calendar events
  • New user interface
  • New features
Features
Read full description

Do you know which date is the 100th day of your first date? Would you like to celebrate an anniversary from an event? This app '100 days after' allows you to calculate a date from any given spot in the calendar. Calculated dates can be exported as an event and added to your iPhone's calendar. Download now and experience the whole new user interface and features of '100 days after'!

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!

Screenshots

100 Days After4 screens
100 Day Challenge4 screens

Verdict

The call

The clearest difference is monetization model: 100 Days After at free against 100 Day Challenge's freemium. 100 Days After also leads on rating (4.2 vs 3.9). On price, review sentiment, ratings volume and update cadence 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

100 Days After holds the better App Store score, 4.2 against 3.9. Both are backed by a comparable volume of ratings — 6 and 17 respectively. Written reviews complicate that: 62% of 100 Days After's written reviews are positive against 70% of 100 Day Challenge's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

100 Days After ships an update every 4 months, 100 Day Challenge every 3 months. Both last shipped on November 1, 2026.

Scorecard2 real differences · 8 level
100 Days After versus 100 Day Challenge: the parameters behind the verdict, then further details
Parameter100 Days After100 Day Challenge
PriceFreeFree
Rating4.2 (6 ratings) — better3.9 (17 ratings)
Positive reviews62.1% of reviews69.8% of reviews — better
Number of ratings617 — better
Update frequencyEvery 4 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterFreemium
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS12.011.0 — better
Further details — not scored
Size9 MB16 MB
Age rating4+17+
DeveloperBroong, Inc.Goals Guy, LLC

Customer experience

100 Days After

All ratings6 ratings
Positive66.7%
Neutral33.3%
Negative0.0%
Written reviews29 reviews
Positive62.1%
Neutral17.2%
Negative20.7%

100 Day Challenge

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

In-app purchases

None

100 Days After

No in-app purchases

None

100 Day Challenge

No in-app purchases

Questions

Is 100 Days After free?
100 Days After is free to download, with no in-app purchases.
Is 100 Day Challenge free?
100 Day Challenge is free to download, with no in-app purchases.
Which has better reviews, 100 Days After or 100 Day Challenge?
100 Days After is rated higher. 100 Days After averages 4.2 out of 5 from 6 ratings, while 100 Day Challenge averages 3.9 from 17 ratings.
Do 100 Days After or 100 Day Challenge have ads?
Neither 100 Days After nor 100 Day Challenge shows ads.
Which is updated more often, 100 Days After or 100 Day Challenge?
100 Days After ships an update every 4 months, and 100 Day Challenge every 3 months. Most recently, 100 Days After was updated on November 1, 2026 and 100 Day Challenge on November 1, 2026.

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