C vs PDFsmith
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
C
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Wireless operation for smooth meetings and presentations. CASIO C-Mirroring is an iOS app that makes it possible to establish a network connection between an iPad, iPhone device and network-compatible CASIO Projector *1, and then project documents and images stored in the device's memory, real-time images picked up by the device's built-in camera, and browser screen images. *1 Applicable Projector Models: XJ-S400UN/S400WN XJ-UT352WN XJ-F211WN/XJ-F21XN (Some models covered by this app may not be available in certain geographic areas.) ・File Viewer: Projects documents and images *2 registered with CASIO C-Mirroring. ・Wireless Camera: Projects real-time images picked up by the device's built-in camera. ・Browser: Uses the application's built-in web browser to project web pages with the projector. *2 Projectable Document and Image Files Microsoft Word (doc, docx) Microsoft Excel (xls, xlsx) Microsoft PowerPoint (ppt, pptx) PDF JPEG, PNG Using CASIO C-Mirroring Use the steps below to establish a connection between a smart device and projector with this app. If you are already connected via a wireless LAN access point, refer to your projector's Network Function Guide. (1) Configure projector network settings. (2) Select "Network" as the projectors input source. This projects the standby screen, which shows network information. (3) On the smart device, select the desired access point with "Settings" - "Wi-Fi" and establish a connection. (4) Start up CASIO C-Mirroring. (5) On the home screen, select the function you want and execute it. (6) When you want to project with the projector, tap the Play button. When a connectable projector is found, select it. If a connectable projector isn't found, input IP address of the projector then connect to it.
PDFsmith
Edit PDF text, convert scanned documents with OCR, and add annotations like signatures and highlights. Manage, merge, split, and protect your PDFs with ease. This app offers desktop-class PDF functionality on your mobile device.
- In-place text editing
- OCR for scanned documents
- Annotation tools (highlights, drawings, notes)
- E-signature functionality
- PDF merging, splitting, and rotation
- Image to PDF conversion
- Password protection
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PDFsmith gives you desktop-class PDF power on iPhone, without desktop complexity. Edit text in-place with smart alignment and font matching, so changes look natural. Turn scanned files into searchable, selectable documents with high-accuracy OCR. Add signatures, highlights, underlines, drawings, notes, and text boxes in seconds. Everything you need in one app: - Word-style PDF text editing - OCR for scanned documents - Highlight, underline, draw, erase, and annotate - E-sign documents fast - Merge, split, rotate, extract, and compress PDFs - Convert images to PDF and PDF to images - Add or remove password protection - Search, print, and share instantly From quick fixes to heavy multi-page files, PDFsmith is built to be fast and clean. SUBSCRIPTION INFO PDFsmith offers a free 7-day trial with full access to all features. After the trial, a subscription is required to continue using the app: • Monthly: $2.99/month • Yearly: $24.99/year ($2.08/month) • Lifetime: $89.99 (one-time purchase) Payment will be charged to your Apple ID account at confirmation of purchase. Subscriptions automatically renew unless canceled at least 24 hours before the end of the current period. You can manage and cancel subscriptions in your Apple ID account settings. Terms of Use: https://pdfsmith.io/#terms Privacy Policy: https://pdfsmith.io/#privacy
Screenshots
Verdict
The clearest difference is in-app purchases: C at none against PDFsmith's 3. C also leads on iOS requirement (15.0 vs 17.0). On price, ads 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
Both are free to download. PDFsmith sells 3 in-app purchases, starting at $2.99 per month. C asks for nothing beyond the download.
| Parameter | C | PDFsmith |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (3 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 3 — better |
| Update frequency | Every 4 months | — |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Subscription |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 33 MB | 28 MB |
| Age rating | 17+ | 4+ |
| Developer | CASIO COMPUTER CO., LTD. | James Dellamorte |
In-app purchases
C
No in-app purchases
PDFsmith
- PDFsmith Pro Monthly$2.991 Month
- PDFsmith Pro Yearly$24.991 Year
- PDFsmith Pro$89.99









