CalliFactory vs Check30
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CalliFactory
Easily add custom calligraphy and filters to your photos. Create personalized messages and share them with friends and family. No internet or sign-up required, just use your gallery images.
- Edit photos
- Apply photo filters
- Change calligraphy color
- Share to social media
- Offline use
- No sign-up required
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* Major Functions : - Edit Photo - Apply Photo Filters - Change Calligraphy Color - Share Photo to SNS * Description : The first project of factory managers, CalliFactory! Apply your own calligraphy to your photos and create stunning works.You can find many wonderful sample wallpapers and calligraphy works on our official Instagram. (@callifactory.app) Simply capture the images you like and use them. No sign up, no internet needed. You can just create a work only with photos stored in the gallery. Share your work with your loved ones on SNS. Send your heart to your family and friends by creating warm messages on CalliFactory. * Developer Contact : 3factory.managers@gmail.com
Check30
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[Check30: 30일 완성 갓생 챌린지] 꾸준한 습관 형성이 어려우신가요? Check30이 당신의 성공적인 30일을 응원합니다! 주요 기능: 직관적인 챌린지 관리: 나만의 30일 플랜을 세우고 매일 기록하세요. 간편한 구글 로그인: 복잡한 절차 없이 바로 시작하세요. 지금 바로 첫 번째 챌린지를 등록하고, 30일 뒤 달라진 당신을 만나보세요!
Screenshots
Verdict
The clearest difference is ads: CalliFactory at none against Check30's shown. CalliFactory also leads on iOS requirement (14.1 vs 17.6). Check30's advantage is update cadence (every 2 days vs every 2 months). 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.
CalliFactory ships an update every 2 months, Check30 every 2 days. Both last shipped on September 22, 2026.
| Parameter | CalliFactory | Check30 |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 90.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 2 months | Every 2 days — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 14.1 — better | 17.6 |
| Further details — not scored | ||
| Size | 28 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | Sooyoung Choi | JIYEON OH |
In-app purchases
CalliFactory
No in-app purchases
Check30
No in-app purchases
