Comparison

MemoTree vs Scanr Lens

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

MemoTree

Features
Read full description

MemoTree Web Version Now Available! MemoTree is now accessible not only on iPhone but also through web browsers on PCs and mobile devices. You can create, edit, and manage your notes directly from your web browser. Notes stored on the server can be accessed conveniently across multiple devices. https://memotree.onlytree.kr 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. Users can also view timestamps for local and server data and confirm synchronization before proceeding. 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

About

Scanr Lens

This app allows you to quickly scan documents using your device's camera. It offers automatic edge detection, perspective correction, and various enhancement filters. You can organize, sign, and export your scanned documents as PDFs or images.

Highlights
  • Automatic edge detection and perspective correction
  • Multi-page scanning
  • Import photos and PDFs
  • Organize into folders
  • One-tap enhancement filters
  • Digital signature tool
  • Export as PDF, JPG, or PNG
Features
Read full description

Scanr is a fast, private document scanner that does everything on your device. No account. No sign-up. No ads. No tracking. Point your camera at a document and Scanr captures it with automatic edge detection and perspective correction, powered by Apple's on-device scanner. Scan a single page or a whole stack, tidy it up, sign it, and export — all in a few taps. SCAN • Automatic edge detection and perspective correction • Multi-page scanning — build a document one page at a time • Add more pages to an existing document any time • Split ID mode: capture the front and back of an ID card onto one page IMPORT • Bring in photos and PDFs you already have • Share images or PDFs into Scanr from any other app • Imported pages get the same cropping and filters as a fresh scan MY DOCUMENTS • Every scan is saved from its first page — nothing to remember to keep • Organize into folders, rename, and search your documents by name • Back up everything as PDF files to a folder you choose • Delete any document immediately — no hidden copies left behind ORGANIZE • Reorder, delete, split, and move pages between documents • Combine pages into one • Rotate pages ENHANCE • One-tap filters: Original, Auto, Color, Grayscale, Black & White, High Contrast, and Soft • Remove glare from photos of glossy or laminated pages • Apply a filter to one page or to every page at once SIGN • Draw a signature, or scan one from paper • Set its thickness and colour, then place and resize it on any page • Save signatures to reuse later EXPORT & SHARE • Export as PDF (one multi-page file), or as JPG / PNG (one image per page) • Hold exports under a file-size limit when you need to email or upload them • Share or save through the iOS share sheet PRIVATE BY DESIGN • Everything happens on your device — scanning, filtering, signing, export • No accounts, no cloud, no analytics, no ads • The app makes no network requests • Documents live in the app's private storage SMALL AND SIMPLE • Point, scan, export, done • Tiny install size • Clean, uncluttered interface • Available in 12 languages • Universal — one app for iPhone and iPad Made by Beskar — fast, private tools. https://beskar.tech

Screenshots

MemoTree4 screens
Scanr Lens4 screens

Verdict

The call

The clearest difference is in-app purchases: Scanr Lens at none against MemoTree's 1. Scanr Lens also leads on ads (none vs shown). MemoTree's advantage is device support (3 vs 1). On price, update cadence 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. MemoTree sells 1 in-app purchase, starting at $0.99 per month. Scanr Lens asks for nothing beyond the download.

UpkeepUpdate frequency

MemoTree ships an update every 4 days, Scanr Lens every 5 days. The most recent releases landed on October 31, 2026 and October 8, 2026 respectively.

Scorecard3 real differences · 6 level
MemoTree versus Scanr Lens: the parameters behind the verdict, then further details
ParameterMemoTreeScanr Lens
PriceFreeFree
Rating—1.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 4 days — betterEvery 5 days
AdsYesNo — better
In-app purchasesYesNo — better
Monetization—Free
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.6 — better16.0
Further details — not scored
Size5 MB3 MB
Age rating4+4+
DeveloperSang-seop LEEBeskar Technologies LLP

In-app purchases

1 purchases

MemoTree

Subscriptions1
  • Monthly MemoTree Subscription$0.991 Month
None

Scanr Lens

No in-app purchases

Questions

Is MemoTree free?
MemoTree is free to download, with in-app purchases available.
Is Scanr Lens free?
Scanr Lens is free to download, with no in-app purchases.
Do MemoTree or Scanr Lens have ads?
MemoTree shows ads; Scanr Lens does not.
Which is updated more often, MemoTree or Scanr Lens?
MemoTree ships an update every 4 days, and Scanr Lens every 5 days. Most recently, MemoTree was updated on October 31, 2026 and Scanr Lens on October 8, 2026.

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