Comparison

BookViewer vs CalcMemo

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

Head to head
About

BookViewer

Features
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BookViewerは、PDFファイルや画像フォルダ(ZIP)を読み込み、Kindleのようにスワイプで読めるリーダーアプリです。 【主な機能】 ■ 本棚(ライブラリ) インポートした本を一覧表示。サムネイルとタイトルで管理できます。 ■ ファイルの追加 「+」ボタンから、PDF・ZIP・画像フォルダを選択して追加。 ■ 読書画面 ・左右スワイプでページめくり(Kindle風) ・画面タップでメニュー表示/非表示(閉じる・シークバー) ・下のスライダーで好きなページへジャンプ ・ページ数・進捗を表示 ■ 読み方の切り替え ・左開き:一般的な本のように左から右へ ・右開き:漫画のように右から左へ(ボタンで切り替え) ■ 画像の拡大 画像の本では、ピンチやダブルタップで拡大・縮小できます。 ■ 続きから読む 最後に開いたページを自動保存。次に開いたときは続きから読めます。 【対応形式】 ・PDF(.pdf) ・ZIP(中身の画像を連番で表示) ・画像フォルダ(画像が入ったフォルダをそのまま選択可能)

About

CalcMemo

Features
Read full description

A new style calculator that saves results to your notes. ■ Calculations & Memos in One Note Results auto-save to your note. Add memos between calculations to keep track of your thought process. Never forget what a calculation was for. ■ Text Styling 5 styles — title, heading, subheading, body, and bold — to create clear, well-organized notes. ■ Organize Like Apple Notes Folders, pinning, date grouping, reordering, and moving notes between folders. ■ Built-in Financial Tools ・Loan calculator (with residual value) ・Compound interest ・Profit margin & discount ・Bill splitting (with rounding) ・Tax calculator (8%/10%) ・Date calculator ・Unit conversion (length, weight, temperature) Save results to your note with one tap. ■ Select & Copy Select multiple entries and copy them all to the clipboard at once. Easy paste into other apps. ■ Optimized for iPad 3-column layout with folders, notes, and calculator all on one screen. ■ Privacy First All data stored on device only. No ads, no account, no internet required. Fully offline. ■ Backup & Restore Export/import via JSON for easy device migration.

Screenshots

BookViewer4 screens
CalcMemo4 screens

Verdict

The call

BookViewer and CalcMemo are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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.

ScorecardNo meaningful differences
BookViewer versus CalcMemo: the parameters behind the verdict, then further details
ParameterBookViewerCalcMemo
PriceFreeFree
Update frequencyWeekly
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.015.1 — better
Further details — not scored
Size2 MB32 MB
Age rating4+4+
Developerjun muraseTomoyuki Fukuzawa

In-app purchases

None

BookViewer

No in-app purchases

None

CalcMemo

No in-app purchases

Questions

Is BookViewer free?
BookViewer is free to download, with no in-app purchases.
Is CalcMemo free?
CalcMemo is free to download, with no in-app purchases.
Do BookViewer or CalcMemo have ads?
Neither BookViewer nor CalcMemo shows ads.

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