Comparison

D.S.Reader vs ReadTool

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

Head to head

Reading TXT, PDF, and EPUB

Free

🔧 Utilities

No ratingsView app →

About

D.S.Reader

Features

Read full description

E-Book Reader supporting EPUB, PDF, and CBZ formats, with custom fonts and custom dictionary support. When paired with calibre Content Server, you can easily browse your libraries, download books for reading. It will track and sync you reading progress and highlights across all devices paired with the same server.

About

ReadTool

Features

Read full description

ReadTool is a convenient file import reader, supporting various file formats, such as TXT, PDF, and EPUB. You can import and read these format files through our app, enjoying the fun of reading anytime, anywhere. Whether it's novels, textbooks, manuals, or other types of files, as long as they are in TXT, PDF, or EPUB format, our app can provide you with excellent reading services. You can easily import these files into the app for reading at any time. Our app provides various reading modes and font size adjustment functions, allowing you to customize your reading experience. Our app contains no ads or in-app purchases. Download our app now and easily read your files!

Screenshots

D.S.Reader2 screens

ReadTool4 screens

Verdict

The call

The clearest difference is ads: ReadTool at none against D.S.Reader's shown. ReadTool also leads on iOS requirement (13.0 vs 15.6). D.S.Reader's advantage is update cadence (monthly vs every 24 months). On price, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

D.S.Reader ships an update monthly, ReadTool every 24 months. The most recent releases landed on September 10, 2026 and September 7, 2026 respectively.

Scorecard3 real differences · 3 level

D.S.Reader versus ReadTool: the parameters behind the verdict, then further details
Parameter	D.S.Reader	ReadTool
Price	Free	Free
Update frequency	Monthly — better	Every 24 months
Ads	Yes	No — better
In-app purchases	No	No
Devices	iPhone, iPad, iPod — better	iPhone, iPod
Requires iOS	15.6	13.0 — better
Further details — not scored
Size	93 MB	19 MB
Age rating	17+	17+
Developer	Yi Li	FAMEINK PTE. LTD.

In-app purchases

None

D.S.Reader

No in-app purchases

None

ReadTool

No in-app purchases

Questions

Is D.S.Reader free?

D.S.Reader is free to download, with no in-app purchases.

Is ReadTool free?

ReadTool is free to download, with no in-app purchases.

Do D.S.Reader or ReadTool have ads?

D.S.Reader shows ads; ReadTool does not.

Which is updated more often, D.S.Reader or ReadTool?

D.S.Reader ships an update monthly, and ReadTool every 24 months. Most recently, D.S.Reader was updated on September 10, 2026 and ReadTool on September 7, 2026.