Siddha vs 21 Days
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Siddha
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Siddha โ Private Habit & Mood Tracker for Men Take control of your habits, mood, and mental clarity with a powerful, privacy-first tracker built for men. Siddha helps you track ejaculation, semen retention, mood, energy, libido, and focus โ all in one secure, offline app designed for self-improvement, discipline, and awareness. 100% Private. Offline. Secure. Your data is stored locally on your device using Apple Core Data โ fully encrypted and never uploaded. No servers. No tracking. No data collection. Unlike most habit trackers and health apps, your data is completely yours. Track What Matters Log ejaculation events (voluntary & involuntary) Track mood, energy, libido, focus, sociability Add notes for deeper insights Understand your patterns, triggers, and progress. Calendar & Streak Tracker Visual calendar of activity Track current & longest streaks Identify behavior patterns over time Stay consistent and motivated. Mood & Mental State Insights Track changes in mental clarity, mood, and energy View trends with graphs and predictions Understand your behavioral cycles Build data-driven self-awareness. Learn & Improve Explore content on: Male health & hormones Semen retention (NoFap) Psychology & mental clarity Daily Reminders Stay consistent with gentle reminders to log mood and habits. Built for Discipline & Growth Perfect for: Habit tracking & self improvement Mental clarity & focus Semen retention / NoFap journey Fast, Minimal & Offline Clean, distraction-free design Works fully offline Smooth and intuitive Now offers iCloud backup into your personal apple account. Why Siddha Most apps track your data. Siddha protects it. No cloud storage. No ads. No data selling. Just you, your data, your growth.
21 Days
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Build habits that actually stick โ 21 days at a time. 21 Days Challenge is a simple and powerful habit tracker designed for real, lasting change. Pick a goal, commit for 21 days, check in daily, and watch your streak grow one day at a time. Whether you want to drink more water, read every day, exercise, meditate, or build any daily routine, 21 Days Challenge keeps you focused, motivated, and consistent. KEY FEATURES โข Multiple Habit Challenges Track several habits at once including health, fitness, learning, productivity, mindfulness, and more โ all from one home screen. โข Streaks & Milestones Watch your streak grow daily. Reach milestones at Day 7 and Day 14, and unlock badges as you build consistency. โข Daily Journal Add quick notes, moods, or reflections with each check-in. Discover patterns and understand what works best for you. โข Insightful Stats View beautiful charts showing completion rates, mood trends, and overall progress. โข Smart Reminders Set custom reminders for each challenge at the times that work best for you. โข Private by Default Your data stays on your device. Optional cloud sync is designed with privacy in mind. HOW IT WORKS 1. Pick your challenge โ choose a suggested habit or create your own 2. Check in daily โ track progress with a single tap 3. Build momentum โ strengthen routines through consistency BUILT FOR EVERY KIND OF GROWTH โข Health & fitness โ water, sleep, movement โข Learning & focus โ reading, studying, skill-building โข Productivity โ deep work, discipline, routines โข Mindfulness & wellness โ meditation, gratitude, journaling โข Creativity โ writing, drawing, creating โข Personal goals โ anything that matters to you Start your first 21 days today with 21 Days Challenge โ your habit tracker, streak builder, and daily journal for lasting change. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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Verdict
The clearest difference is in-app purchases: Siddha at none against 21 Days's 4. Siddha also leads on update cadence (weekly vs every 3 weeks). 21 Days's advantage is iOS requirement (15.0 vs 18.2). On price, ads and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. 21 Days sells 4 in-app purchases, starting at $0.99 per month. Siddha asks for nothing beyond the download.
Siddha ships an update weekly, 21 Days every 3 weeks. The most recent releases landed on October 8, 2026 and October 24, 2026 respectively.
| Parameter | Siddha | 21 Days |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly โ better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No โ better | Yes |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 18.2 | 15.0 โ better |
| Further details โ not scored | ||
| Size | 21 MB | 46 MB |
| Age rating | 4+ | 4+ |
| Developer | Srinath Vangala | iLoma Technology |
In-app purchases
Siddha
No in-app purchases
21 Days
- Pro Monthly$0.991 Month
- Ultra Pro Monthly$0.991 Month
- Pro Yearly$4.991 Year
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- Ultra Pro Yearly$9.991 Year









