SENA NOTE vs 서앤오AI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SENA NOTE
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You have so much to write, but decorating a diary wears you out, and notes apps are easy but never really add up to anything. So we made SENA NOTE: just write the way you would in a notes app, and it becomes a beautiful diary. Notes that turn into a diary — SENA NOTE! Key features 1. As quick and easy as a notes app A familiar notes screen you can write in the moment you open the app Fast sync, so you can pick up where you left off on any device 2. Pick from all kinds of blocks right in your notes Tap to add Body, Callout, Check, Photo, Sticker and Schedule blocks Fit your to-dos, plans and even a photo into a single note 3. Just write notes, and they become a diary No copying things over: the notes you write become diary pages as they are Notes stay notes, your diary stays a diary — all in one go! 4. Tap Shuffle for decorating ideas On days you don't feel like decorating, one tap of Shuffle does it in a second Shuffle again until you love it, and move things around freely 5. Make a diary all your own with dozens of deco items Pick stickers as easily as emoji! Change layouts and page designs to match your style Who SENA NOTE is for Anyone who wants a pretty diary but finds decorating hard Anyone who jots down notes often and wants to keep them as a record of each day Anyone tired of splitting notes, to-dos and plans across different apps Anyone who wants to keep a diary but feels the pressure every time they start Start your diary with SENA NOTE — as easy as writing a note! Terms of Use & Privacy Policy Apple Standard Terms of Use (EULA) https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ SENA NOTE Terms of Service https://sena-note.com/en/terms/paper Privacy Policy https://sena-note.com/en/terms/privacy
서앤오AI
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서앤오AI는 SEO&OH AI 캡슐 녹음기와 함께 사용하는 음성 녹음 및 AI 정리 앱입니다. 캡슐 기기를 연결해 녹음을 시작하고, 녹음 파일을 앱에서 확인하고 관리할 수 있습니다. 녹음한 음성은 텍스트 변환, 요약, 번역, 마인드맵 등 AI 기능으로 빠르게 정리할 수 있습니다. 주요 기능 - SEO&OH AI 캡슐 녹음기 연결 및 관리 - 실시간 녹음 상태 확인 - 녹음 파일 재생, 편집, 공유 - AI 텍스트 변환, 요약, 번역, 마인드맵 - 회의, 인터뷰, 카페 등 상황별 녹음 모드 - 멤버쉽 구독을 통한 AI 기능 이용 서앤오AI는 업무, 회의, 인터뷰, 학습 기록을 더 쉽게 남기고 정리할 수 있도록 돕습니다. --- 이용약관 (EULA): https://seoandoh.kr/eula 개인정보처리방침: https://seoandoh.kr/privacy
Screenshots
Verdict
The clearest difference is ads: 서앤오AI at none against SENA NOTE's shown. 서앤오AI also leads on update cadence (every 4 days vs every 9 days) and device support (3 vs 1). On price, in-app purchases and iOS requirement 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. SENA NOTE sells 3 one-off in-app purchases and 서앤오AI sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.
SENA NOTE ships an update every 9 days, 서앤오AI every 4 days. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.
| Parameter | SENA NOTE | 서앤오AI |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 9 days | Every 4 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.4 | 15.0 — better |
| Further details — not scored | ||
| Size | 175 MB | 74 MB |
| Age rating | 4+ | 4+ |
| Developer | EUNA JEONG | Seo & Oh |
In-app purchases
SENA NOTE
- 100토큰$0.99
- 300 토큰$2.99
- 1500 토큰$17.99
서앤오AI
- AI 멤버쉽 (월간)$3.991 Month
- AI 멤버쉽 (연간)$39.991 Year





