작심삼일 vs SIDO
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
작심삼일
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귀여운 캐릭터와 함께 하루씩, 가볍게 목표를 지켜보세요. 작심삼일도 충분히 의미 있습니다.
SIDO
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[The Most Sophisticated Habit Tracker for Growth, SIDO] "Consistency over perfection, 1% daily growth over overwhelming goals." SIDO was created for those who want to build a better tomorrow by accumulating small attempts every day. We removed complex features and flashy notifications, designing it with a modern and minimal approach so you can focus entirely on 'your day' and 'attempts'. Build a solid routine with SIDO, an app that calms your mind the moment you open it, like staying in a neatly organized, sophisticated space. [Key Features of SIDO] ■ Intuitive Daily Routine Check • Register your own attempts for today and lightly check them off. • Reading, walking, meditating—anything is fine. A small but definite sense of accomplishment builds up every day. ■ Mindset & Retrospective Journal • Beyond simple routine checks, leave short memos of your feelings and realizations of the day. • Record your inner growth like your own quiet diary. ■ Minimal & Sophisticated Design • We eliminated unnecessary visual noise so only your records stand out. • The calm and sophisticated theme provides an experience you'll want to return to every day. ■ Achievement Tracking • See at a glance how many attempts you have accumulated over the month and gain motivation for tomorrow. Time to meet a slightly more grown version of yourself than yesterday. Start your small and precious attempts with SIDO right now.
Screenshots
Verdict
The clearest difference is in-app purchases: 작심삼일 at none against SIDO's 2. 작심삼일 also leads on update cadence (every 2 days vs every 6 days) and iOS requirement (12.0 vs 17.0). SIDO's advantage is ads (none vs shown). On price and device support 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. SIDO sells 2 in-app purchases, starting at $3.99 per month. 작심삼일 asks for nothing beyond the download.
작심삼일 ships an update every 2 days, SIDO every 6 days. Both last shipped on October 31, 2026.
| Parameter | 작심삼일 | SIDO |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 days — better | Every 6 days |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 12.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 45 MB | 70 MB |
| Age rating | 4+ | 4+ |
| Developer | Pathfinder, Incorporated | AEJIN SEO |
In-app purchases
작심삼일
No in-app purchases
SIDO
- SIDO Pro 월간7 Days trial$3.991 Month
- SIDO Pro 연간7 Days trial$29.991 Year









