Comparison

Instaboard vs pilgi

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

Head to head
About

Instaboard

Collaborate on shared plans and to-do lists in real-time. Assign tasks, track progress, and communicate directly on a digital whiteboard. Ideal for organizing group projects, family events, or business operations.

Highlights
  • Shared live boards
  • Task assignment and tracking
  • Real-time collaboration
  • Digital whiteboard with markup
  • Cost splitting
  • Offline sync
  • Export to PDF/image
Features
Read full description

Stop being the one who chases everyone. Instaboard is one shared board for the plan: what needs doing, who's doing it, and everything you need to know. Drop the link in the group chat and everyone sees the same plan, live. FOR ANYTHING YOU PLAN WITH OTHER PEOPLE • Trips: who books what, the day plan, and costs split by family • Weddings: vendors, the guest list, the day hour by hour, and the budget • Families: birthdays, holidays and school pickups • Shops and cafés: opening and closing checklists your staff tick off • Tutoring and teaching: write on the same worksheet as your student, live EVERYONE GRABS A JOB • Put names and due dates on cards, and tick them off when they're done • Everyone sees each change the moment it happens • Comment on a card instead of digging through the chat JOINING TAKES SECONDS • Share a link, a QR code or a 4-digit code • No download for them: the board opens in any phone or web browser DRAW AND TALK IT THROUGH • Sketch on an endless whiteboard with Apple Pencil or your finger • Drop in a PDF, a map or a worksheet and mark it up together • Start a video call right on the board and point with the laser ROOM FOR EVERY DETAIL • Any card opens into its own board, so big plans stay tidy • Lists, checklists, tags, calendar view, photos, files, links and places • Split costs and see who owes whom • Save links and photos from any app to Pile, and sort them later WORKS WHERE YOU ARE • Keeps working offline and syncs when you're back • iPhone, iPad and the web • Export a board as a PDF or an image EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy policy: https://instaboard.app/privacy

About

pilgi

Features
Read full description

pilgi is a PDF reader and annotation app that lets you import your PDF documents and freely write or draw directly on them, just like writing by hand. Take notes while reading lecture materials, mark up contracts and reports, or solve practice tests on scanned worksheets. Your original PDF file remains completely untouched—all annotations are saved separately and securely, allowing you to revert to the original state at any time. ■ PDF Library - Directly import PDFs stored on your device - View recently opened documents at a glance - Display page counts and last-read positions for each document - Delete unnecessary documents whenever you want ■ Comfortable PDF Viewer - Smooth vertical scrolling and flexible zoom in/out - Jump straight to desired pages by entering page numbers directly - Quickly find the right page by browsing page thumbnails - Automatically resume from the last viewed page when reopening ■ Freehand & Text Annotation - 4 essential tools: Pen, Highlighter, Eraser, and Text (typing) - Choose from preset colors or pick custom colors from a color wheel to create your own palette - Quick access to recent colors directly from the toolbar, just like favorites - Text tool includes 5 royalty-free Korean fonts (Pretendard, Noto Sans KR, Nanum Gothic, Nanum Myeongjo, IBM Plex Sans KR) - Freely adjust text font size - Full Undo and Redo support so you can annotate with confidence - Supports stylus pressure sensitivity (such as Apple Pencil) for a natural handwriting feel - Auto-saves every time you turn a page; your latest notes are preserved even if the app closes unexpectedly ■ Export & Share - Flatten pen, highlighter, and text annotations onto the original PDF to create a new PDF file - Share completed annotated PDFs directly via device share sheet (messaging, email, cloud storage, and more) ■ Customized Experience - Dark Mode support for comfortable viewing in low light - Switch instantly between 5 languages: English, Korean, Japanese, Simplified Chinese, and Traditional Chinese - Brief onboarding tutorial on first launch, bringing you straight to your library afterwards ■ Why You Can Use It with Peace of Mind - Offline-first approach—use immediately without login required - Minimal risk of file corruption by storing original PDFs and annotation data separately - Additional auto-save trigger when moving to background or quitting to prevent data loss Recommended for: - Students and examinees who want to take notes while reading e-books or scanned materials - Professionals who want to mark up lecture PDFs or meeting documents on the spot - Anyone reviewing contracts, reports, or research papers with underlines and notes - Tablet and stylus users looking for an intuitive handwriting experience Transform your PDF reading time into your own personal notebook with pilgi.

Screenshots

Instaboard4 screens
pilgi4 screens

Verdict

The call

The clearest difference is in-app purchases: pilgi at none against Instaboard's 4. pilgi also leads on iOS requirement (13.0 vs 15.0). Instaboard's advantage is ads (none vs shown). On price, update cadence 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Instaboard sells 4 in-app purchases, starting at $7.99 per month. pilgi asks for nothing beyond the download.

UpkeepUpdate frequency

Instaboard ships an update every 2 weeks, pilgi every 3 weeks. The most recent releases landed on November 7, 2026 and November 6, 2026 respectively.

Scorecard3 real differences · 7 level
Instaboard versus pilgi: the parameters behind the verdict, then further details
ParameterInstaboardpilgi
PriceFreeFree
Rating5.0 (11 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings11 — better—
Update frequencyEvery 2 weeks — betterEvery 3 weeks
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size175 MB65 MB
Age rating4+4+
DeveloperInstaboard Ltd.JAEMIN LEE

In-app purchases

4 purchases

Instaboard

Subscriptions4
  • Instaboard Pro7 Days trial$7.991 Month
  • Instaboard Pro$7.991 Month
  • Instaboard Pro (12 months)7 Days trial$59.991 Year
Show 1 more
  • Instaboard Pro7 Days trial$59.991 Year
None

pilgi

No in-app purchases

Questions

Is Instaboard free?
Instaboard is free to download, with in-app purchases available.
Is pilgi free?
pilgi is free to download, with no in-app purchases.
Do Instaboard or pilgi have ads?
pilgi shows ads; Instaboard does not.
Which is updated more often, Instaboard or pilgi?
Instaboard ships an update every 2 weeks, and pilgi every 3 weeks. Most recently, Instaboard was updated on November 7, 2026 and pilgi on November 6, 2026.

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