21 Days vs TinyWin Camera
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
21 Days
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21 Days – AI Challenge helps you build habits that last. Log a short note each day for 21 days. At the end, our AI analyzes your journey and gives you a personalized summary with insights and tips. Features: • Daily notes to track your progress • AI-generated analysis after 21 days • 100 unique badges to unlock • Dark mode & customizable themes • Simple stats to keep you motivated Stay consistent for 21 days and see the difference. Your future self will thank you.
TinyWin Camera
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TinyWin Camera is a visual habit tracker built around one simple ritual: take one progress photo a day. Use it for anything—study desk setups, fitness progress, creative work, vocabulary screenshots, or long-term challenges. Why you’ll stick with it Yesterday vs Today: see yesterday’s photo while capturing today’s for easy alignment Smarter streaks: flexible schedules (daily/weekly/weekdays/custom days). Rest days won’t break your streak Milestone boosts: progress rings and 25%/50%/75% milestones keep motivation high Features 1) Goals & Challenges Habit Mode (indefinite) for long-term routines Challenge Mode (fixed days like 30/100). Automatically marked 100% completed Flexible frequency: daily, weekly, weekdays, or custom weekdays Archive finished/paused projects, restore anytime, or delete with local file cleanup 2) Daily Capture & Edit Yesterday vs Today preview while confirming today’s shot One-tap crop to 1:1 square Curated filters: Vivid / Mono / Noir / Warm Quick daily notes Date watermark with shadow for readability 3) Streaks & Milestones Rest days don’t break streaks Bonus surprise when you log extra on rest days Automatic milestone breakdown for long challenges 4) Time-Lapse Video (MP4) Export all photos in a goal into a high-quality MP4 time-lapse Stream loading + memory release for large goals (hundreds of days) 5) Dashboard & Insights 30-day consistency chart Yearly heatmap grid (GitHub-style) Stats: Longest Streak, Total Wins Shareable poster cards 6) Smart Notifications Local reminders based on your schedule Automatically stops notifications when a goal is completed or archived 7) Progress Timeline A vertical, reverse-chronological timeline of photos + notes Review your transformation like a visual diary Start today. One photo. One tiny win.
Screenshots
Verdict
The clearest difference is price: 21 Days at $0.29 against TinyWin Camera's $3.99. 21 Days also leads on chart position (#200 vs unranked) and device support (3 vs 1). On ads and in-app purchases 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
21 Days costs $0.29 and TinyWin Camera $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | 21 Days | TinyWin Camera |
|---|---|---|
| Price | $0.29 — better | $3.99 |
| Update frequency | Every 2 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Best chart rank | #200 — better | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 27 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | ahmet celik | Kai Chen |
In-app purchases
21 Days
No in-app purchases
TinyWin Camera
No in-app purchases









