Todoit vs 아차차
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Todoit
Organize your daily tasks, jot down diary entries, and track your goals with this versatile productivity tool. Easily add photos to tasks and memories, and view everything at a glance on the calendar. All your data is securely stored on your device.
- Simple to-do list creation
- Diary entries with photo support
- Calendar view for tasks and diaries
- Goal setting and tracking
- Device-local data storage
- Photo quality adjustment
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● To-do management - You can add today’s tasks very simply - It’s okay if it’s not something you want to do today. You can change the date to your desired date by changing the date! - You can easily remember your tasks by adding photos! ● Keep a diary - You can simply record your day today on Todoit! - You can create more precious memories by attaching photos - You can collect the diaries you wrote by date in the feed ● Calendar - You can write tasks on the calendar - You can see at a glance when you wrote your to-do list and diary! ● Goal management - You can set and write my goals in My Space - Make sure to achieve your goal [Todoit Precautions] - Todoit does not store user data on the server. All posts and photos you write will be saved on your phone. If you change your phone or delete and reinstall the app, be sure to back up your data using “iCloud Backup” on the Todoit settings screen! - In the case of photo upload, you can change the photo upload quality on the settings screen. - If image files do not appear properly after importing data from iCloud, check whether all image files in the Todoit -> images folder in iCloud have been downloaded!
아차차
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"아차차!" 사소한 루틴부터 중요한 약속까지. 자꾸 잊어버려서 속상했던 적 있으신가요? 미래의 나를 위한 오늘의 메세지를 '아차차'와 함께 보내보세요! 이름, 프로필부터 메세지 내용까지 모두 직접 정할 수 있습니다. 메신저가 온 듯한 알림으로 친근하고 재미있게 일정을 상기할 수 있습니다. 깜빡하지 말고 '아차차'와 함께 해요 :)
Screenshots
Verdict
The clearest difference is ads: Todoit at none against 아차차's shown. 아차차's advantage is update cadence (every 2 days vs every 3 weeks) and iOS requirement (14.0 vs 16.0). On price, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Todoit ships an update every 3 weeks, 아차차 every 2 days. The most recent releases landed on October 2, 2026 and October 5, 2026 respectively.
| Parameter | Todoit | 아차차 |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 weeks | Every 2 days — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 16.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 41 MB | 12 MB |
| Age rating | 4+ | 17+ |
| Developer | Rocky Lim | Chaehui Seo |
In-app purchases
Todoit
No in-app purchases
아차차
No in-app purchases









