Comparison

21 Days vs TinyWin Camera

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

Head to head
About

21 Days

Features
Currently charting
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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.

About

TinyWin Camera

Features
Read full description

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

21 Days4 screens
TinyWin Camera4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

Scorecard4 real differences · 3 level
21 Days versus TinyWin Camera: the parameters behind the verdict, then further details
Parameter21 DaysTinyWin Camera
Price$0.29 — better$3.99
Update frequencyEvery 2 months—
AdsNoNo
In-app purchasesNoNo
Best chart rank#200 — better—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.0 — better18.6
Further details — not scored
Size27 MB6 MB
Age rating4+4+
Developerahmet celikKai Chen

In-app purchases

None

21 Days

No in-app purchases

None

TinyWin Camera

No in-app purchases

Questions

Is 21 Days free?
21 Days costs $0.29, with no in-app purchases.
Is TinyWin Camera free?
TinyWin Camera costs $3.99, with no in-app purchases.
Do 21 Days or TinyWin Camera have ads?
Neither 21 Days nor TinyWin Camera shows ads.

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