Habit Tracker 90 Day Challenge vs PrepFlex
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Habit Tracker 90 Day Challenge
Build positive habits with a tool that lets you create custom tracking, visualize progress over 90 days with heatmaps and graphs, and share your journey. Ideal for anyone looking to improve their daily routines.
- Custom habit creation
- Numeric progress entries
- 90-day progress visualization
- Heatmaps and line graphs
- Shareable progress reports
- User-friendly interface
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Whether you're an indie developer, a fitness enthusiast, or someone looking to build positive habits, our app offers the perfect solution to track and visualize your progress. Key Features: - Custom Habit Tracking: Create personalized habits and track your progress with numeric entries. - Progress Visualization: Monitor your growth over 90 days with dynamic heatmaps and line graphs. - Numeric Progress Entries: Add values to each habit entry to see detailed progress (e.g., tracking social media followers, weight loss, or savings). - Shareable Heatmaps & Graphs: Share your journey with friends, family, or followers to inspire and stay motivated. - Simple & User-Friendly: Designed for easy habit tracking and data visualization. Why "My Habits: Track & Share"? - Personalized Tracking: Tailor the app to fit any habit you want to build, maintain, or improve. - Inspire & Get Inspired: Share your progress with a community to keep yourself accountable and motivate others. - Comprehensive Data Visualization: Visualize your journey with intuitive graphs and heatmaps to stay on track. Start building better habits today. Download "My Habits: Track & Share" and take the first step towards a more disciplined and fulfilling life! Marie & Nico Made for iPhone 16 Pro Max Privacy Policy: https://www.iubenda.com/privacy-policy/88840572 EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
PrepFlex
This app creates personalized study plans from your available time and topics. It helps students organize last-minute study sessions into effective, time-balanced schedules tailored to their needs. The app focuses on efficiency with no sign-ins or distractions.
- Create personalized study plans
- Tailored to available time
- Add and weight study topics
- Set confidence levels for topics
- Local data storage for privacy
- Distraction-free study environment
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Most study apps try to plan out everything. PrepFlex doesn't. Tell us how much time you've got, even if it's just 20 minutes between classes, and what you need to cover. PrepFlex figures out what's actually worth studying in that time and builds a plan around it. Sometimes that's every topic on your list. Sometimes it's just the one or two that matter most. Either way, you'll always see exactly what made the cut and why. How it works: • Enter the time you have right now • Add what you need to study • Rate your confidence and how much each topic counts • Get a plan built for the time you actually have Get the most out of the time you have. No sign-ins, no distractions, no accounts, no ads, just a plan, built fast, for whatever time you've got. Built by a student who got tired of study apps that just don't get it.
Screenshots
Verdict
Habit Tracker 90 Day Challenge and PrepFlex both sit at 5.0 stars, but that hides the real split: 100% of PrepFlex's written reviews are positive against 50% of Habit Tracker 90 Day Challenge's. PrepFlex also leads on in-app purchases (none vs 3) and ads (none vs shown). Habit Tracker 90 Day Challenge's advantage is update cadence (every 3 weeks vs every 10 months). On price, rating and ratings volume 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. Habit Tracker 90 Day Challenge sells 3 in-app purchases, starting at $4.99 per 7 days. PrepFlex asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for Habit Tracker 90 Day Challenge against 5.0 for PrepFlex. Both are backed by a comparable volume of ratings — 6 and 5 respectively. Written reviews are what separate them: 50% of Habit Tracker 90 Day Challenge's written reviews are positive against 100% of PrepFlex's.
Habit Tracker 90 Day Challenge ships an update every 3 weeks, PrepFlex every 10 months. The most recent releases landed on October 22, 2026 and October 18, 2026 respectively.
| Parameter | Habit Tracker 90 Day Challenge | PrepFlex |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (6 ratings) | 5.0 (5 ratings) |
| Positive reviews | 50.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 6 — better | 5 |
| Update frequency | Every 3 weeks — better | Every 10 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 21 MB | 25 MB |
| Age rating | +4 | 4+ |
| Developer | NBApps | Rajat Aggarwal |
Customer experience
Habit Tracker 90 Day Challenge
PrepFlex
In-app purchases
Habit Tracker 90 Day Challenge
- One Week3 Days trial$4.997 Days
- One Year$14.991 Year
- Lifetime$9.99
PrepFlex
No in-app purchases
Questions
Is Habit Tracker 90 Day Challenge free?
Is PrepFlex free?
Which has better reviews, Habit Tracker 90 Day Challenge or PrepFlex?
Do Habit Tracker 90 Day Challenge or PrepFlex have ads?
Which is updated more often, Habit Tracker 90 Day Challenge or PrepFlex?
Other comparisons
