Prompts by E vs MyPDFSign
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Prompts by E
This app helps you create, manage, and use AI prompt templates. It generates easy-to-fill forms for your prompts and copies the final output to your clipboard for use in other generative AI applications.
- Create and manage prompt templates
- Generate easy-to-fill forms for prompts
- Copy generated prompts to clipboard
- Use with generative AI apps
- Intuitive interface
Read full descriptionHide full description
Prompts by E-String provides an intuitive interface that helps you craft, manage, and execute AI prompts seamlessly. We empower you to get the most out of your AI interactions, whether you're an AI hobbyist, professional, or a corporate team. Create and manage a list of prompt templates that you can fill out and use over and over again. The app generates an easy to fill out form for each prompt template that you can use to create a prompt for any situation. When you are ready to use a prompt, the app generates the prompt and copies it to the pasteboard so you can paste it into any generative app such as the ChatGPT app or any web page. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
MyPDFSign
Easily sign PDF documents with a clean and intuitive interface. This tool allows for quick signature application on forms, contracts, and business documents, with secure on-device processing and high-quality export.
- Sign PDF files quickly
- Add signatures anytime, anywhere
- Clean and easy-to-use interface
- High-quality PDF export
- Secure on-device processing
- Works for forms and contracts
Read full descriptionHide full description
MyPDFSign helps you sign PDF documents quickly and professionally. Features: • Sign PDF files in seconds • Add signatures anytime, anywhere • Clean and easy-to-use interface • High-quality PDF export • Fast and smooth performance • Secure on-device processing • Works great for forms, contracts, and business documents Designed for professionals, students, freelancers, and everyday document needs.
Screenshots
Verdict
The clearest difference is update cadence: MyPDFSign at every 4 weeks against Prompts by E's every 2 months. MyPDFSign also leads on iOS requirement (17.0 vs 26.0). Prompts by E's advantage is ratings volume (5 vs 1). On price, rating, ads and in-app purchases 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. Prompts by E sells 1 in-app purchase, starting at $0.99 per month and MyPDFSign sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 5.0 for Prompts by E against 5.0 for MyPDFSign. That said, the two scores are not equally well evidenced: Prompts by E has 5 ratings behind it against 1, so its average is the more settled of the two.
Prompts by E ships an update every 2 months, MyPDFSign every 4 weeks. The most recent releases landed on October 10, 2026 and October 25, 2026 respectively.
| Parameter | Prompts by E | MyPDFSign |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (5 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 5 — better | 1 |
| Update frequency | Every 2 months | Every 4 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 26.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 18 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | E-String Technologies, Inc. | ScanPDF – All-in-One PDF Tool |
Customer experience
Prompts by E
MyPDFSign
In-app purchases
Prompts by E
- Prompts Pro Monthly$0.991 Month
MyPDFSign
- Lifetime Premium$9.99
