Comparison

KReader Tool vs PDF Stash

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

Head to head
About

KReader Tool

Features
Read full description

[Supported format] KReader supports common EBook formats, including: epub, mobi, azw, azw3, txt, chm, cbz, cbr [Features] 1. Flexible and diverse library classification management. You can customize favorites and color labels, and clearly display the classification information of books in the library icon and list display mode. 2. Clean and simple reading interface. Provide you with an immersive reading experience, so that you can focus on reading without being disturbed by other information and enjoy the reading. 3. Powerful auxiliary functions. A clean and concise reading experience does not mean the lack of functions. -- You can choose the theme that suits you from a variety of reading topics, and you can also mediate the display brightness to protect your eyes when you read for a long time. -- You can choose the font that suits your book. Books in different languages will have different font options. -- You can add bookmarks and notes to books. Notes have many color themes, and you can even share your notes with your friends. -- You can find keywords in the whole book. 4. Share your reading experience. You can share the daily reading, weekly reading and annual reading books with your friends through social Apps. 5. Perfectly match Apple's ecology. Through iCloud, you can synchronize books, reading progress, reading settings, bookmark notes, reading records and other information on all devices under your account to achieve seamless continuous reading between devices. It provides you with perfect cloud library management functions. (This needs professional version) 6. The reading experience on the big screen is better. Reading on iPad can bring you a more perfect reading experience. You will find that while providing such rich functions, KReader still maintains the characteristics of small and fast. KReader does not provide EBooks, but we are committed to providing you with a complete EBook reading tool.

About

PDF Stash

Features
Read full description

How people use this app - Keep appliance manuals and warranty info all in one place - Save utility bills, insurance documents, and receipts for easy access - Organize work files like meeting notes and project reports - Study on the go with textbooks, articles, and research papers - Store travel itineraries, e-tickets, and reservation confirmations - Access favorite recipes and DIY guides while cooking or crafting - Securely archive contracts, leases, and important paperwork - Carry eBooks and PDFs for reading anywhere, anytime - Manage hobby collections like catalogs, sheet music, or plans - Keep track of practice tests and study materials by subject

Screenshots

KReader Tool4 screens
PDF Stash3 screens

Verdict

The call

The clearest difference is in-app purchases: PDF Stash at none against KReader Tool's 3. PDF Stash also leads on update cadence (every 3 weeks vs every 7 months). KReader Tool's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. KReader Tool sells 3 one-off in-app purchases. PDF Stash asks for nothing beyond the download.

UpkeepUpdate frequency

KReader Tool ships an update every 7 months, PDF Stash every 3 weeks. The most recent releases landed on October 7, 2026 and October 9, 2026 respectively.

Scorecard3 real differences ยท 3 level
KReader Tool versus PDF Stash: the parameters behind the verdict, then further details
ParameterKReader ToolPDF Stash
PriceFreeFree
Update frequencyEvery 7 monthsEvery 3 weeks โ€” better
AdsNo โ€” betterYes
In-app purchasesYesNo โ€” better
DevicesiPhone, iPad, MaciPhone, iPad, iPod
Requires iOS16.015.0 โ€” better
Further details โ€” not scored
Size17 MB15 MB
Age rating9+4+
Developer็บข้œž ่ŒƒKazuhisa Kobayashi

In-app purchases

3 purchases

KReader Tool

One-time3
  • KReader Upgrade to family$0.99
  • KReader Pro$2.99
  • KReader Pro FamilyShare$3.99
None

PDF Stash

No in-app purchases

Questions

Is KReader Tool free?
KReader Tool is free to download, with in-app purchases available.
Is PDF Stash free?
PDF Stash is free to download, with no in-app purchases.
Do KReader Tool or PDF Stash have ads?
PDF Stash shows ads; KReader Tool does not.
Which is updated more often, KReader Tool or PDF Stash?
KReader Tool ships an update every 7 months, and PDF Stash every 3 weeks. Most recently, KReader Tool was updated on October 7, 2026 and PDF Stash on October 9, 2026.

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