Comparison

The 21 Days Challenge vs LAX | لاكس

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

Head to head
About

The 21 Days Challenge

Build lasting habits and transform your life over 21 days with guided challenges. Track your progress, journal your thoughts, and customize your avatar with earned points. Discover new routines for health, productivity, and happiness.

Highlights
  • 21-day habit challenges
  • Habit tracking
  • Avatar customization
  • Daily journaling
  • Mood tracking
  • Community feed
  • Positive affirmations
Features
Read full description

Create your ideal life with life changing habits. It is estimated that it takes people 21 days to form a new habit. So it’s a perfect amount of time to change or introduce something new in your life. Choose the best challenge for you and do it for 21 days and you’re going to see how the habit becomes part of your lifestyle day by day. Starting a healthy lifestyle, taking a break away from the internet, practicing gratitude, trying to be more productive, simple practices to find happiness and calm in your life, how to study effectively for all the students, ways to spread kindness and positivity, tips for fixing your sleeping schedule and daily positive affirmations are some of the challenges that you can find in the app. Once you complete your daily task, you can mark as completed and collect the points (to customize your avatar). This way, you can use this app like a habit tracker. In the gratitude challenge, you can write your thoughts and share them in the feed (you can leave anonymously too). Here you're going to see all the community answers and you can also give it a like on your favorite ones. Complete tasks on your profile and do daily challenges to collect points so you can buy items for your own avatar like different hairstyles, eyes and mouth shapes and clothes. Create a healthier and happier mind with journaling. With this app you can daily journal and choose your daily mood. Then you can track your mood in the calendar and see all your previous records. You also a have a selection of positive wallpapers for your phone. Enable notifications and choose the time to be notified to remind you to do the challenge every day. Don’t forget to take care of your body and mind. It's the only place you have to live. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

LAX | لاكس

This app delivers periodic affirmations and motivational messages to help users achieve personal goals and intentions. Content is curated by Dr. Sumaya Al-Nasser and her team, designed to align with a modern lifestyle and harness the power of words for positive change.

Highlights
  • Periodic affirmations and messages
  • Goal achievement support
  • Content curated by Dr. Sumaya Al-Nasser
  • Modern lifestyle design
  • Positive change through words
  • Arabic and English support
Features
Read full description

"LAX is a motivational app. It helps release the user intention by sending periodic affirmations and messages to the user to motivate them and help them achieve their personal goals and reach their intentions. All messages in the application are produced by Dr. Sumaya Al-Nasser, who supervised the selection of affirmations along with the messages. Dr. Sumaya Al-Nasser's team built the application after studying the needs of their customers; it was designed in a way that matches the modern lifestyle. تطبيق لاكس هو تطبيق تحفيزي يقوم بمساعدتك على إطلاق نيتك من خلال إرسال توكيدات ورسائل دورية للمستخدم بهدف تحفيزه ومساعدته على تحقيق أهدافه الشخصية والوصول إلى نواياه الخاصة جميع الرسائل الخاصة بالتطبيق هي من إنتاج الدكتورة سمية الناصر وهي بنفسها أشرفت على اختيار التوكيدات المتزامنة مع الرسائل قام فريق الدكتورة سمية الناصر ببناء التطبيق بعد دراسة مطولة لاحتياجات عملائنا وتم تصميمه بطريقة تتوافق مع نمط الحياة العصرية نؤمن في LAX بقوة الكلمة وأثرها على تغيير حياةٍ كاملة وإحداث نقلة وعي مذهلة ." For more information on our subscription terms: Privacy Policy: https://laxapp.elyak.com/privacy-policy Terms of Use (EULA): http://www.apple.com/legal/itunes/appstore/dev/stdeula

Screenshots

The 21 Days Challenge4 screens
LAX | لاكس4 screens

Verdict

The call

The clearest difference is ads: LAX | لاكس at none against The 21 Days Challenge's shown. The 21 Days Challenge's advantage is review sentiment (92% vs 82%). On price, rating, 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. The 21 Days Challenge sells 2 in-app purchases, starting at $2.99 per month and LAX | لاكس sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for The 21 Days Challenge against 4.7 for LAX | لاكس. Both are backed by a comparable volume of ratings — 571 and 513 respectively. Written reviews are what separate them: 92% of The 21 Days Challenge's written reviews are positive against 82% of LAX | لاكس's.

UpkeepUpdate frequency

The 21 Days Challenge ships an update monthly, LAX | لاكس every 3 weeks. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

Scorecard2 real differences · 8 level
The 21 Days Challenge versus LAX | لاكس: the parameters behind the verdict, then further details
ParameterThe 21 Days ChallengeLAX | لاكس
PriceFreeFree
Rating4.7 (571 ratings) — better4.7 (513 ratings)
Positive reviews91.7% of reviews — better82.1% of reviews
Number of ratings571 — better513
Update frequencyMonthlyEvery 3 weeks — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.015.0
Further details — not scored
Size127 MB88 MB
Age rating4+4+
DeveloperKati PereiraElyak Closed Joint Stock Company

Customer experience

The 21 Days Challenge

All ratings567 ratings
Positive93.5%
Neutral3.0%
Negative3.5%
Written reviews303 reviews
Positive91.7%
Neutral3.3%
Negative5.0%

LAX | لاكس

All ratings513 ratings
Positive92.4%
Neutral3.5%
Negative4.1%
Written reviews28 reviews
Positive82.1%
Neutral3.6%
Negative14.3%

User reviews

The 21 Days Challenge

From 571 App Store ratings

What we love

  • 🚀 Simple and motivating
  • 👍 Clean design and clear progress tracking
  • 🤗 Genuinely helpful and enjoyable to use
  • 💫 Positive impact on mental health and habits
  • 🌟 Inspirational and encouraging messages

Room to improve

  • 🔍 Lack of search option in community challenges
  • 🔀 Challenges disappear after creation, no way to find them
  • 🤖 Too many ads interrupting the experience
  • 🎨 App could use more customization options

LAX | لاكس

From 513 App Store ratings

What we love

  • ✨ Deep and impactful content
  • 🚀 Significant positive change for users
  • 👍 Excellent and unique program
  • 🌟 Wonderful application
  • 💖 Grateful for the app's creation

Room to improve

  • 🐛 Major bug: data loss
  • 🐛 Double messages and affirmations
  • 🐛 Missing saved messages/affirmations
  • 🐛 App is stuck/not working
  • 🐛 Daily messages not changing

Bugs and requests

The 21 Days Challenge

Reported bugs

2 issues
  • Sharing created challenges does not work as expected
  • Challenges sometimes disappear from the app

Requested features

4 requests
  • Add a search function for community challenges
  • Allow users to save and revisit their own created challenges
  • Provide more customization options for the app and user profile
  • Introduce a widget for easier access to daily tasks

LAX | لاكس

Reported bugs

9 issues
  • All saved messages and affirmations were reset
  • Daily messages and affirmations appear double
  • Saved messages and affirmations are lost
  • App is stuck for a week
  • Daily message does not change
Show 4 more
  • Only one affirmation is displayed
  • Verification code not received via phone or email
  • Notifications are not working
  • App is not working

Requested features

3 requests
  • Add widgets to the app
  • Improve app functionality
  • Develop the app further

In-app purchases

2 purchases

The 21 Days Challenge

Subscriptions2
  • Remove ads month$2.991 Month
  • Remove Ads Year$24.991 Year
2 purchases

LAX | لاكس

Subscriptions2
  • اشتراك شهري7 Days trial$4.991 Month
  • فتح المحتوى من خلال الدفع بشكل سنوي7 Days trial$49.991 Year

Questions

Is The 21 Days Challenge free?
The 21 Days Challenge is free to download, with in-app purchases available.
Is LAX | لاكس free?
LAX | لاكس is free to download, with in-app purchases available.
Which has better reviews, The 21 Days Challenge or LAX | لاكس?
The 21 Days Challenge is rated higher. The 21 Days Challenge averages 4.7 out of 5 from 571 ratings, while LAX | لاكس averages 4.7 from 513 ratings.
Do The 21 Days Challenge or LAX | لاكس have ads?
The 21 Days Challenge shows ads; LAX | لاكس does not.
Which is updated more often, The 21 Days Challenge or LAX | لاكس?
The 21 Days Challenge ships an update monthly, and LAX | لاكس every 3 weeks. Most recently, The 21 Days Challenge was updated on October 29, 2026 and LAX | لاكس on October 30, 2026.

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