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.
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.
- 21-day habit challenges
- Habit tracking
- Avatar customization
- Daily journaling
- Mood tracking
- Community feed
- Positive affirmations
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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/
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.
- 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
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"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
Verdict
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
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.
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.
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.
| Parameter | The 21 Days Challenge | LAX | لاكس |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (571 ratings) — better | 4.7 (513 ratings) |
| Positive reviews | 91.7% of reviews — better | 82.1% of reviews |
| Number of ratings | 571 — better | 513 |
| Update frequency | Monthly | Every 3 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 127 MB | 88 MB |
| Age rating | 4+ | 4+ |
| Developer | Kati Pereira | Elyak Closed Joint Stock Company |
Customer experience
The 21 Days Challenge
LAX | لاكس
User reviews
The 21 Days Challenge
From 571 App Store ratingsWhat 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 ratingsWhat 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 moreShow fewer
- 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
The 21 Days Challenge
- Remove ads month$2.991 Month
- Remove Ads Year$24.991 Year
LAX | لاكس
- اشتراك شهري7 Days trial$4.991 Month
- فتح المحتوى من خلال الدفع بشكل سنوي7 Days trial$49.991 Year









