Comparison

Rar Sharp+ vs Ki

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

Head to head
About

Rar Sharp+

This utility efficiently extracts various compressed file formats, including password-protected RAR archives. It offers features like file previewing, selective decompression, and secure folder encryption. Manage your files with ease through Wi-Fi transfer, sorting, and various editing options.

Highlights
  • Extract password-protected RAR files
  • Preview files within archives
  • Decompress selected files
  • Supports multiple archive formats (rar, zip, 7z, etc.)
  • Wi-Fi and iTunes file sharing
  • File encryption and management
  • Email and open attachments
Features
Read full description

Rar Sharp is a simple, practical decompression software, can fast, simple and efficient extracting file its easy-to-use interface, personalized settings let you easily office. Features * Supports to unzip password protected RAR files . * Click to BROWSE images and PREVIEW files inside an archive without extracting. * Supports to decompress selected certain files or parts of one given compressed file * Supported unzip formats: rar, zip, gzip, tar, cbz, cbr, gz, tgz, bz, bz2 ,tgz2 ,tbz,7z. * Supported compression formats: zip * Transferring files by wifi and iTunes file sharing * Sorting by file name、create time and file type * View, copy, move, delete, rename, email, zip Compression and unzip files/folders * Encryption folder, protect your files * Glide deleting function * Select all and Cancel all operate * Email multiple files, folder Supported * Open email attachments * Photo import Supported * Open files in other applications * Landscape mode supported Rar Sharp for OS X https://itunes.apple.com/cn/app/rar-sharp/id668609870?l=en&mt=12

About

Ki

Capture, organize, and connect all your learning in one place. This app allows you to save notes, links, code snippets, and ideas, then link them together to build a web of knowledge. Find anything fast with full-text search and visual knowledge graphs.

Highlights
  • Capture notes, links, quotes, code snippets, and ideas
  • Organize with color-coded tags and custom topics
  • Connect notes with bidirectional linking
  • Visualize knowledge with interactive graphs
  • Full-text search and saved searches
  • Quick capture via floating button and widgets
  • Review workflow for managing notes
Features
Read full description

Ki-note is your personal knowledge base. Capture, organize, and connect everything you learn — all in one place. CAPTURE EVERYTHING • Notes, links, quotes, code snippets, ideas, and references • Quick capture with a floating + button from anywhere in the app • Save source URLs and titles for web content. You can share links from Safari to Ki-note! • Tag code snippets with their programming language (Swift, Python, JavaScript, TypeScript, Go, Rust) • You can insert notes, text, links, into Ki-notes using the Share functionality • You can insert notes using voice in the Control Center widget or using a shortcut with Siri ORGANIZE YOUR WAY • Tags — color-coded labels to categorize your notes • Topics — group related notes under a single theme with custom icons • Smart Collections — automatic filters like Inbox, Favorites, Reading Queue, Unreviewed, Quotes, Ideas, Links, Untagged, and Unlinked • Configurable Quick Access dashboard on the home screen • Pin, favorite, and archive notes • Review workflow — track notes from Inbox → Unreviewed → Reviewing → Reviewed CONNECT YOUR KNOWLEDGE • Link notes together to build a web of ideas • Bidirectional linking — see which notes link to and from each note • Interactive Knowledge Graph — visualize all your notes and their connections • Customizable graph settings for colors, forces, and display options FIND ANYTHING FAST • Full-text search across all notes • Save frequently used searches for quick access • Browse by tags and topics • Filter by note type, status, or collection BUILT FOR YOU • 100% free — no ads, no subscriptions, all features unlocked • Local-first — your data stays on your device with SwiftData • Localized in 6 languages: English, Spanish, French, German, Italian, and Portuguese • Light and dark mode with customizable themes • Optional one-time tip to support development Ki-note is designed for students, researchers, developers, writers, and anyone who wants to build a personal knowledge base that grows with them.

Screenshots

Rar Sharp+2 screens
Ki4 screens

Verdict

The call

The clearest difference is review sentiment: Ki at 100% against Rar Sharp+'s 45%. Ki also leads on price (Free vs $0.99) and update cadence (every 2 days vs every 3 months). Rar Sharp+'s advantage is in-app purchases (none vs 1) and iOS requirement (13.0 vs 18.6). On ads 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

Ki is free to download; Rar Sharp+ costs $0.99 up front. Ki sells 1 one-off in-app purchase. Rar Sharp+ asks for nothing beyond the download.

UpkeepUpdate frequency

Rar Sharp+ ships an update every 3 months, Ki every 2 days. The most recent releases landed on October 7, 2026 and September 29, 2026 respectively.

Scorecard6 real differences · 4 level
Rar Sharp+ versus Ki: the parameters behind the verdict, then further details
ParameterRar Sharp+Ki
Price$0.99Free — better
Rating—5.0 (2 ratings) — better
Positive reviews45.5% of reviews100.0% of reviews — better
Number of ratings—2 — better
Update frequencyEvery 3 monthsEvery 2 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better18.6
Further details — not scored
Size24 MB4 MB
Age rating4+4+
Developer锦文 游Juan Casanueva

Customer experience

Rar Sharp+

Written reviews11 reviews
Positive45.5%
Neutral9.1%
Negative45.5%

Ki

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Rar Sharp+

No in-app purchases

1 purchases

Ki

One-time1
  • Buy me a coffee$0.99

Questions

Is Rar Sharp+ free?
Rar Sharp+ costs $0.99, with no in-app purchases.
Is Ki free?
Ki is free to download, with in-app purchases available.
Do Rar Sharp+ or Ki have ads?
Neither Rar Sharp+ nor Ki shows ads.
Which is updated more often, Rar Sharp+ or Ki?
Rar Sharp+ ships an update every 3 months, and Ki every 2 days. Most recently, Rar Sharp+ was updated on October 7, 2026 and Ki on September 29, 2026.

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