PDF App vs DING fyi
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PDF App
Manage PDFs effortlessly with this comprehensive tool. Create, convert, sign, edit, and merge documents with ease. Streamline your workflow and enhance document accessibility.
- Create PDFs from layouts or images
- Convert various file formats to PDF
- Sign documents with custom signatures
- Edit existing PDF files
- Merge multiple PDF documents
- Export and share PDFs easily
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Introducing PDF App: Convert, Create, Sign – your all-in-one solution for seamless PDF management. Elevate your productivity with our powerful and intuitive tool. - Create PDFs with Ease: Effortlessly create professional PDF documents using pre-installed layouts. Import images from your gallery or snap new photos directly within the app. Customize and format your documents to perfection. - Convert with Versatility: Transform various file formats into PDF and vice versa. Whether it's a Word document, an image, or a spreadsheet, convert it to PDF with just a few taps. - Sign Documents Quickly: Create your signature and place it on any document with ease. Simplify your workflow and ensure your documents are signed and ready. - Edit Existing PDFs: Make corrections and updates to your existing PDF files with our easy-to-use editing tools. - Combine Documents: Merge multiple PDF files into a single document. Organize and consolidate your files for better management and accessibility. - Export Effortlessly: Export your PDFs quickly and efficiently. Share your documents via email, cloud services, or other applications directly from the app. Transform your PDF experience with PDF App: Convert, Create, Sign – the ultimate tool for creating, converting, signing, editing, and exporting PDFs. Download now and unlock the full potential of your documents! Information about the auto-renewal of subscription: - Payment will be charged to iTunes Account at confirmation of purchase; – Subscriptions are billed weekly, monthly, quarterly, or annually at the rate based on the subscription plan - Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period; - The account will be charged for renewal within 24 hours before the end of the current period. The cost depends on the selected plan; - Subscriptions may be managed by the user, and auto-renewal may be turned off by going to the user’s Account Settings after purchase; Privacy Policy: https://minimodev.com/pdf_app/privacy Terms of Use: https://minimodev.com/pdf_app/terms For any questions or inquiries, please get in touch: support@minimodev.com
DING fyi
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Ding is a utility-focused notification and messaging app designed to enable intentional, permission-based communication outside of traditional email and SMS. The app allows users to send focused notifications (“Dings”) containing text, images, or short videos to recipients who have explicitly opted in to receive them. Ding is not a social network, advertising platform, or bulk messaging service, and it does not scrape contacts or send unsolicited messages. All content is user-generated and initiated by the sender. Recipients maintain full control over notification preferences, including muting, disabling, or unsubscribing from senders at any time. Ding provides basic delivery and engagement indicators (such as sent and viewed status) solely to help senders understand whether their message was received; no tracking occurs outside of the Ding platform. Ding does not publish, curate, or promote content, and does not algorithmically amplify messages. It functions purely as a communication tool where responsibility for message content remains with the sender. The app is intended for personal, professional, and creator use cases where timely, respectful, and opt-in communication is required. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.ding.fyi/privacy-policy-ding
Screenshots
Verdict
The clearest difference is update cadence: DING fyi at every 6 days against PDF App's every 5 weeks. On price, ads, 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
Both are free to download. PDF App sells 1 in-app purchase, starting at $9.99 per 7 days and DING fyi sells 4 in-app purchases, starting at $19.99 per month. Whichever you choose, the download price is not the number that matters.
PDF App ships an update every 5 weeks, DING fyi every 6 days. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.
| Parameter | PDF App | DING fyi |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (949 ratings) — better | — |
| Positive reviews | 36.8% of reviews | — |
| Number of ratings | 949 — better | — |
| Update frequency | Every 5 weeks | Every 6 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Subscription | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.4 | 15.1 — better |
| Further details — not scored | ||
| Size | 73 MB | 52 MB |
| Age rating | 4+ | 4+ |
| Developer | Minimodev Technologies LTD | Ding FYI Communication Technologies Inc. |
Bugs and requests
PDF App
Reported bugs
2 issues- App doesn't allow creating accounts
- Doesn't convert text messages to PDF
Requested features
2 requests- Make the app free
- Improve subscription cancellation process
DING fyi
Not enough reviews yet to summarise bugs or requests.
In-app purchases
PDF App
- Premium Weekly3 Days trial$9.997 Days
DING fyi
- Ding Starter Monthly$19.991 Month
- Ding Unlimited Monthly$39.991 Month
- Ding Starter Yearly$199.991 Year
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- Ding Unlimited Yearly$399.991 Year









