OBSRV vs MemoTree
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OBSRV
Capture location-specific reminders and notes for businesses you visit. Remember details about your experiences or specific people you want to reconnect with.
- Location-based notes
- Business-specific reminders
- Personalized memory aid
- Easy note creation
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Ever wanted to write a reminder for a business you visit? Such as what you had or if you want to talk to someone specifically again? Well OBSRV is here to help you remember those notes! Now you can write notes specific to locations!
MemoTree
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MemoTree is a note-taking app designed to help users organize information in a structured and intuitive way using a tree-based system. Instead of simply listing notes, it allows users to create folders and subfolders, making it easy to build a clear hierarchy of information. Users can freely create and manage folders, and place notes within them or create deeper levels of structure as needed. This approach enables efficient organization for work, study, and personal use, allowing quick access to important information. The editor provides a clean and intuitive writing experience. Users can customize text with different colors and background styles to highlight or categorize content. Checklist support makes it suitable for task management and step-by-step tracking. Image insertion is also supported, allowing users to combine visual and textual information. MemoTree offers various background styles and themes to enhance usability and comfort. Users can choose from notebook-style layouts, grid patterns, and color themes to personalize their note-taking environment. The app supports both light mode and dark mode, helping reduce eye strain and providing a comfortable viewing experience in different lighting conditions. With an account, users can enable synchronization across devices, allowing notes to be stored on the server and accessed from multiple devices. Logging in is optional, and core note-taking features are fully available without an account. Notes can be easily shared, making it convenient to send information to others when needed. MemoTree focuses on delivering a simple yet powerful note management experience. It is suitable for users who want to organize their thoughts clearly and manage information in a structured way. Terms of Use / EULA: https://memotree.onlytree.kr/others/terms_of_service_en.html
Screenshots
Verdict
The clearest difference is in-app purchases: OBSRV at none against MemoTree's 1. OBSRV also leads on ads (none vs shown) and iOS requirement (11.0 vs 15.6). MemoTree's advantage is update cadence (every 4 days vs every 2 weeks). 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. MemoTree sells 1 in-app purchase, starting at $0.99 per month. OBSRV asks for nothing beyond the download.
OBSRV ships an update every 2 weeks, MemoTree every 4 days. The most recent releases landed on September 11, 2026 and September 10, 2026 respectively.
| Parameter | OBSRV | MemoTree |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (5 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 2 weeks | Every 4 days — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 62 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Benjamin Spurlock | 상섭 이 |
In-app purchases
OBSRV
No in-app purchases
MemoTree
- Monthly MemoTree Subscription$0.991 Month
