ComicPDFReader vs Winston Scientific Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ComicPDFReader
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PDFViewer 是一款專為閱讀體驗設計的輕量級 PDF 閱讀器。無論是文件、書籍還是漫畫，都能提供流暢的閱讀體驗。 主要功能： • 多種閱讀模式：支援單頁瀏覽、雙頁（左至右）及雙頁（右至左/漫畫模式）。 • 自動記憶進度：自動記錄每個檔案的最後閱讀頁數，下次開啟即刻接續。 • 最近閱讀列表：快速存取最近開啟的檔案。 • 直覺的縮放控制：輕鬆放大縮小，適應各種螢幕尺寸。 • 簡潔介面：專注於內容，沒有多餘的干擾。 • 跨平台支援：同時支援 iPhone、iPad 與 Mac。 立即下載，享受純粹的閱讀樂趣。
Winston Scientific Calculator
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Evaluate two expressions at the same inputs and inspect their sampled difference with an explicit angle convention. HOW IT WORKS 1. Open Tools and choose Compare models. 2. Enter A(x), B(x), an increasing range, sample count and angle mode. 3. Compare the rows, inspect undefined results, save the latest worksheet or share the comparison. The scientific calculator, graphs, Function Lab, matrices, conversions and number tools remain available. WHAT TO KNOW Supports 2–101 sample points and expressions up to 500 characters. Samples do not prove equality or exact intersections between points. Ans, memory and unspecified registers are not imported; use explicit constants for reproducibility. One worksheet is retained locally. iPhone and iPad.
Screenshots
Verdict
The clearest difference is price: ComicPDFReader at Free against Winston Scientific Calculator's $2.99. Winston Scientific Calculator's advantage is update cadence (every 5 days vs every 4 months). On ads, in-app purchases, device support and iOS requirement 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
ComicPDFReader is free to download; Winston Scientific Calculator costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
ComicPDFReader ships an update every 4 months, Winston Scientific Calculator every 5 days. The most recent releases landed on September 27, 2026 and October 16, 2026 respectively.
| Parameter | ComicPDFReader | Winston Scientific Calculator |
|---|---|---|
| Price | Free — better | $2.99 |
| Update frequency | Every 4 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.5 | 17.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | HSIA-TING YEH | Robert Corbin |
In-app purchases
ComicPDFReader
No in-app purchases
Winston Scientific Calculator
No in-app purchases
Questions
Is ComicPDFReader free?
Is Winston Scientific Calculator free?
Do ComicPDFReader or Winston Scientific Calculator have ads?
Which is updated more often, ComicPDFReader or Winston Scientific Calculator?
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