Comparison

D.S.Reader vs CheckMarked

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

Head to head

★ 5.03 ratingsView app →

About

D.S.Reader

Features

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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

CheckMarked

Organize your thoughts and tasks using Markdown in a sleek, modern interface. Seamlessly integrate your notes with Obsidian for enhanced productivity.

Highlights

Markdown list support
Clean, modern iOS interface
Obsidian integration
Task organization
Note-taking

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CheckMarked lets you keep your lists in Markdown while presenting a clean, modern, iOS interface. Perfect for integrating with Obsidian.

Screenshots

D.S.Reader2 screens

CheckMarked4 screens

Verdict

The call

The clearest difference is ads: CheckMarked at none against D.S.Reader's shown. D.S.Reader's advantage is iOS requirement (15.6 vs 26.0). On price, update cadence, 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, CheckMarked every 3 weeks. The most recent releases landed on October 25, 2026 and October 20, 2026 respectively.

Scorecard2 real differences · 7 level

D.S.Reader versus CheckMarked: the parameters behind the verdict, then further details
Parameter	D.S.Reader	CheckMarked
Price	Free	Free
Rating	—	5.0 (3 ratings) — better
Number of ratings	—	3 — better
Update frequency	Monthly	Every 3 weeks — better
Ads	Yes	No — better
In-app purchases	No	No
Monetization	—	Free
Devices	iPhone, iPad, iPod — better	iPhone, iPad
Requires iOS	15.6 — better	26.0
Further details — not scored
Size	93 MB	8 MB
Age rating	17+	4+
Developer	Yi Li	David Powers

In-app purchases

None

D.S.Reader

No in-app purchases

None

CheckMarked

No in-app purchases

Questions

Is D.S.Reader free?

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

Is CheckMarked free?

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

Do D.S.Reader or CheckMarked have ads?

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

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

D.S.Reader ships an update monthly, and CheckMarked every 3 weeks. Most recently, D.S.Reader was updated on October 25, 2026 and CheckMarked on October 20, 2026.