Comparison

MindMark AI vs MoGuan PDF

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

Head to head
About

MindMark AI

Capture, organize, and instantly find information from various sources. This AI-powered tool automatically summarizes content and uses smart search to retrieve anything you need. Collaborate with others through shared folders for seamless idea exchange.

Highlights
  • Instant capture of links, text, and screenshots
  • AI-generated summaries and insights
  • Smart search by keyword, concept, or context
  • Automatic tagging and collection organization
  • Collaborative shared folders
  • Private and secure data storage
Features
Read full description

MindMark AI is your AI powered second brain. Capture what you read and watch, organize it automatically, and find anything later – now with a brand-new Chat and a beautifully redesigned experience. Key Features • Chat with your second brain – ask anything in natural language and get instant answers drawn from what you've saved • Save instantly – capture links, text, screenshots, or ideas in one tap • AI summaries and insights – understand key points without rereading • Smart search – find content by keyword, concept, or context • Auto tags and collections – your content is organized for you • Shared folders – collaborate and share ideas easily • A fresh new look – a clean, modern design that makes browsing your memories a joy • Private and secure – your data stays yours Stop losing ideas and start building your digital memory with MindMark AI, your personal hub for smarter thinking, learning, and productivity. MindMark Pro is an auto-renewable subscription offered as a monthly or yearly plan. Payment is charged to your Apple Account at confirmation of purchase. Your subscription renews automatically unless auto-renewal is turned off at least 24 hours before the end of the current period. You can manage or cancel your subscription in your Apple Account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Terms & Conditions: https://www.mindmark.ai/terms-conditions Privacy Policy: https://www.mindmark.ai/privacy-policy

About

MoGuan PDF

Features
Read full description

MoGuan PDF is an on-device toolkit for PDFs and photos. Redact sensitive content, scan, recognize text, sign, merge, protect, translate, and export on iPhone and iPad. Your files are processed on your device and are not uploaded. REDACT • Import a photo or PDF, then select the areas you want removed • Detect likely phone numbers, account numbers, and faces for your review • Selected areas are baked into a rasterized export instead of covered by a removable overlay • The finished file is checked again across final pixels and its text layer • Automated checks can miss content, so review the result before sharing READ, SCAN & OCR • Open PDFs from Files or another app and return to recent documents • Search inside documents with highlighted results • Scan multiple pages or turn selected photos into a PDF • Make scans searchable and copyable with on-device OCR EDIT & PROTECT • Add a handwritten signature, page numbers, and watermarks • Merge, extract, delete, reorder, and rotate pages • Export a copy, compress, split, or apply an opening password • Cancel long operations without replacing your source document PHOTO TOOLS • Remove unwanted areas, colorize old photos, enlarge images, and stitch long images • Read receipts, split book spreads, scan QR codes, and add optional time or location stamps • Turn captured text into Word or Excel output • Create portrait photos with background choices and print layouts PHOTO TRANSLATION Photo translation uses Apple Translation on the device. The first time you use a language, iOS may need to download its language pack. PRIVACY There is no account, advertising, or tracking. The App Store privacy label is Data Not Collected. Your source files stay under your control. Requires iOS 17 or later. Some system features depend on the iOS version and supported hardware.

Screenshots

MindMark AI4 screens
MoGuan PDF4 screens

Verdict

The call

The clearest difference is in-app purchases: MoGuan PDF at none against MindMark AI's 2. MoGuan PDF also leads on update cadence (daily vs every 6 days). 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. MindMark AI sells 2 in-app purchases, starting at $9.99 per month. MoGuan PDF asks for nothing beyond the download.

UpkeepUpdate frequency

MindMark AI ships an update every 6 days, MoGuan PDF daily. Both last shipped on October 24, 2026.

Scorecard2 real differences · 8 level
MindMark AI versus MoGuan PDF: the parameters behind the verdict, then further details
ParameterMindMark AIMoGuan PDF
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 6 daysDaily — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree—
DevicesiPhoneiPhone, iPad — better
Requires iOS18.517.0 — better
Further details — not scored
Size28 MB73 MB
Age rating4+4+
DeveloperNir Portiansky正平 孙

In-app purchases

2 purchases

MindMark AI

Subscriptions2
  • MindMark Pro - Monthly7 Days trial$9.991 Month
  • MindMark Pro - Yearly7 Days trial$69.991 Year
None

MoGuan PDF

No in-app purchases

Questions

Is MindMark AI free?
MindMark AI is free to download, with in-app purchases available.
Is MoGuan PDF free?
MoGuan PDF is free to download, with no in-app purchases.
Do MindMark AI or MoGuan PDF have ads?
Neither MindMark AI nor MoGuan PDF shows ads.
Which is updated more often, MindMark AI or MoGuan PDF?
MindMark AI ships an update every 6 days, and MoGuan PDF daily. Most recently, MindMark AI was updated on October 24, 2026 and MoGuan PDF on October 24, 2026.

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