Comparison

ロック画面メモ vs PDF Scanner

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

Head to head
About

ロック画面メモ

Features
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◆ロック画面メモアプリで、ロック画面にメモを表示しよう!◆ 入力したメモを自動保存できるロック画面メモアプリが完成しました! 【こだわりポイント】 ◎メモをロック画面に表示し、忘れ防止をすることができます! ◎過去のメモを後で振り返ることができます! ◎アップデートで最新のメモ体験に対応したアプリを提供します! プライバシーポリシー: https://glittery-talon-8ab.notion.site/3955c5b45c1180a18e6bd8150abe7698 利用規約: https://glittery-talon-8ab.notion.site/3955c5b45c118067aeb4fb0fec8b0c45

About

PDF Scanner

Features
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【PDF Scanner】 helps you turn paper documents, photos, and existing files into organized PDFs. Scan, edit, annotate, sign, and protect documents from one convenient workspace. **Document Scanning** Capture paper pages with the camera or import images and local files. Combine multiple pages into a PDF that is ready to review, rename, organize, and share. **PDF Toolkit** Split, merge, compress, and normalize PDF files for different document workflows. Organize files with folders and move, rename, preview, or share them as needed. **OCR and Notes** Recognize text in scanned pages, review extracted content, and add line highlights with attached notes. Watermarks and annotations help you mark important information without changing the original source document. **Sign and Protect** Create, save, and reuse signatures across PDF pages. Add password protection to sensitive files and use Face ID for quicker access when biometric unlock is enabled. Keep everyday document work organized with scanning, PDF processing, text recognition, annotations, signatures, and file protection in one app. Download PDF Scanner and manage your documents wherever you go. Premium Account Pricing and Terms $ 9.99/week* $ 39.99/year* *The prices shown are in U.S. dollars. Actual charges may be converted to your local currency based on your country or region. Payment will be charged to your iTunes account at confirmation of purchase. The subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours before the end of the current period, and the renewal cost will be provided. Subscriptions may be managed by the user. Auto-renewal may be turned off by going to the user's account settings after purchase. Cancellation of the current subscription is not allowed during an active subscription period. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://dashingent.xyz/pdfwendangsaomiao/privacy.html

Screenshots

ロック画面メモ3 screens
PDF Scanner4 screens

Verdict

The call

The clearest difference is in-app purchases: ロック画面メモ at none against PDF Scanner's 2. ロック画面メモ also leads on update cadence (every 5 days vs every 2 months). On price, ads, device support 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. PDF Scanner sells 2 in-app purchases, starting at $9.99 per 7 days. ロック画面メモ asks for nothing beyond the download.

UpkeepUpdate frequency

ロック画面メモ ships an update every 5 days, PDF Scanner every 2 months. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.

Scorecard2 real differences · 4 level
ロック画面メモ versus PDF Scanner: the parameters behind the verdict, then further details
Parameterロック画面メモPDF Scanner
PriceFreeFree
Update frequencyEvery 5 days — betterEvery 2 months
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhoneiPhone
Requires iOS17.616.0 — better
Further details — not scored
Size7 MB18 MB
Age rating4+4+
DeveloperCapCat LLCDASHING ENTERPRISES LIMITED

In-app purchases

None

ロック画面メモ

No in-app purchases

2 purchases

PDF Scanner

Subscriptions2
  • Weekly Nova3 Days trial$9.997 Days
  • Yearly Nova$39.991 Year

Questions

Is ロック画面メモ free?
ロック画面メモ is free to download, with no in-app purchases.
Is PDF Scanner free?
PDF Scanner is free to download, with in-app purchases available.
Do ロック画面メモ or PDF Scanner have ads?
Neither ロック画面メモ nor PDF Scanner shows ads.
Which is updated more often, ロック画面メモ or PDF Scanner?
ロック画面メモ ships an update every 5 days, and PDF Scanner every 2 months. Most recently, ロック画面メモ was updated on October 31, 2026 and PDF Scanner on November 5, 2026.

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