Comparison

Superpdf vs Signature Notes

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

Head to head
About

Superpdf

Features
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Are you looking for the fastest and simplest way to convert your photos into PDFs? SuperPDF is your ultimate choice! We have eliminated all redundant operations to provide you with a clean, intuitive, and powerful mobile office assistant. Whether it's scanning work documents or organizing personal photo albums, SuperPDF helps you complete the conversion in just seconds. Download it now!

About

Signature Notes

Capture ideas in various formats, from rich text and drawings to audio, video, and annotated images. Organize and share notes easily, and sharpen your mind with an integrated sliding puzzle game offering customizable challenges and modes.

Highlights
  • Multiple note types (rich text, drawing, multimedia, checklists, annotated images)
  • Full-text search and filtering
  • Integrated sliding puzzle game
  • Customizable puzzle difficulty and modes
  • Custom themes and background music
  • Productivity and puzzle statistics tracking
Features
Read full description

Signature Notes: Where Productivity Meets Play Signature Notes is a versatile workspace designed to capture your ideas in every medium, paired with a sophisticated puzzle experience to keep your mind sharp. Whether you are documenting a lecture, sketching a masterpiece, or sharing a hidden message through the sliding puzzle game, Signature Notes is your all-in-one creative companion. Comprehensive Note-Taking Suite: Capture information exactly how you want it. Signature Notes offers six distinct note types to ensure you never miss a detail: Rich Text: Professional-grade formatting for organized thoughts and long-form writing. Drawing Canvas: Express your creativity with a full suite of brush controls and a vibrant color palette. Multimedia Capture: Record and playback high-quality Audio and Video directly within your notes. Interactive Checklists: Stay on top of your tasks with inline editing, real-time progress tracking and editable list sharing. Annotated Images: Use your built-in camera to take multiple numbered photos and layer them with text and drawings to provide context or feedback. Organization & Sharing: Find what you need in seconds with Full-Text Search and type-specific filtering. Every note is timestamped for easy tracking, and sharing your work with others is seamless. The Slyde Puzzle Game: Take a break from your tasks with Slyde, a deeply integrated sliding tile puzzle that turns Signature Notes into entertainment. Dynamic Difficulty: Choose your challenge, ranging from Easy (3×3) for a quick mental reset to Hard (9×9) for the ultimate logic test. Game Modes: Classic: Traditional tile-sliding action. Note Mode: Transform your own images and notes into a custom puzzle. Open Shared: Play puzzles sent to you by friends and colleagues. Hidden Reveals: Use the proprietary .slyd file format to share puzzles that reveal a secret image or video only when the recipient completes the challenge. Personalization & Performance Signature Notes adapts to your aesthetic and lifestyle: Custom Themes: Toggle between Light, Dark, and several other color theme modes or choose and save your own custom color schemes to match your vibe. Atmospheric Audio: Enhance your puzzle sessions with a dedicated Background Music System featuring multiple selectable tracks. Track Your Growth: Monitor your productivity and puzzle mastery with detailed Points and Statistics. Access all core features and the full Slyde experience, supported by unobtrusive ads. Download Signature Notes today and start capturing your world—one note (and one puzzle) at a time.

Screenshots

Superpdf4 screens
Signature Notes4 screens

Verdict

The call

The clearest difference is update cadence: Superpdf at every 3 days against Signature Notes's every 5 weeks. Signature Notes's advantage is device support (3 vs 1). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Superpdf ships an update every 3 days, Signature Notes every 5 weeks. The most recent releases landed on October 12, 2026 and October 24, 2026 respectively.

Scorecard2 real differences · 7 level
Superpdf versus Signature Notes: the parameters behind the verdict, then further details
ParameterSuperpdfSignature Notes
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 3 days — betterEvery 5 weeks
AdsYesYes
In-app purchasesNoNo
Monetization—Ad-supported
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS16.615.0 — better
Further details — not scored
Size18 MB40 MB
Age rating4+4+
DeveloperShaanxi Saiwangdao Network Technology Co., LtdWilliam Wilborn

In-app purchases

None

Superpdf

No in-app purchases

None

Signature Notes

No in-app purchases

Questions

Is Superpdf free?
Superpdf is free to download, with no in-app purchases.
Is Signature Notes free?
Signature Notes is free to download, with no in-app purchases.
Do Superpdf or Signature Notes have ads?
Both Superpdf and Signature Notes show ads.
Which is updated more often, Superpdf or Signature Notes?
Superpdf ships an update every 3 days, and Signature Notes every 5 weeks. Most recently, Superpdf was updated on October 12, 2026 and Signature Notes on October 24, 2026.

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