Comparison

D.S.Reader vs FlutterUtility Notes

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

Head to head

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

FlutterUtility Notes

Features

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Notes Utility app to add, edit, delete notes. Add category and add as favourites.

Screenshots

D.S.Reader2 screens

FlutterUtility Notes4 screens

Verdict

The call

The clearest difference is ads: FlutterUtility Notes at none against D.S.Reader's shown. D.S.Reader's advantage is update cadence (monthly vs every 47 months) and iOS requirement (15.6 vs 18.6). 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, FlutterUtility Notes every 47 months. The most recent releases landed on October 25, 2026 and October 27, 2026 respectively.

Scorecard3 real differences · 3 level

D.S.Reader versus FlutterUtility Notes: the parameters behind the verdict, then further details
Parameter	D.S.Reader	FlutterUtility Notes
Price	Free	Free
Update frequency	Monthly — better	Every 47 months
Ads	Yes	No — better
In-app purchases	No	No
Devices	iPhone, iPad, iPod — better	iPhone, iPod
Requires iOS	15.6 — better	18.6
Further details — not scored
Size	93 MB	22 MB
Age rating	17+	4+
Developer	Yi Li	EncoreSky Technologies

In-app purchases

None

D.S.Reader

No in-app purchases

None

FlutterUtility Notes

No in-app purchases

Questions

Is D.S.Reader free?

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

Is FlutterUtility Notes free?

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

Do D.S.Reader or FlutterUtility Notes have ads?

D.S.Reader shows ads; FlutterUtility Notes does not.

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

D.S.Reader ships an update monthly, and FlutterUtility Notes every 47 months. Most recently, D.S.Reader was updated on October 25, 2026 and FlutterUtility Notes on October 27, 2026.