# Prompts by E vs MyPDFSign

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.

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.

## The numbers

| Metric | Prompts by E | MyPDFSign |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (5 ratings)](https://appshunter.io/ios/app/prompts-by-e-string/id6450276417/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/mypdfsign/id6762978607/reviews) |
| Number of ratings | **5** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 18 MB | 3 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [E-String Technologies, Inc.](https://appshunter.io/developer/294199643) | [ScanPDF – All-in-One PDF Tool](https://appshunter.io/developer/1883137463) |

## What reviewers say

### Prompts by E

[App page](https://appshunter.io/ios/app/prompts-by-e-string/id6450276417)

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.

**Highlights:** Create and manage prompt templates, Generate easy-to-fill forms for prompts, Copy generated prompts to clipboard, Use with generative AI apps, Intuitive interface

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Prompts Pro Monthly | $0.99 | per month |


### MyPDFSign

[App page](https://appshunter.io/ios/app/mypdfsign/id6762978607)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Premium | $9.99 | one-time |


## Frequently asked questions

### Is Prompts by E free?

Prompts by E is free to download, with in-app purchases available.

### Is MyPDFSign free?

MyPDFSign is free to download, with in-app purchases available.

### Which has better reviews, Prompts by E or MyPDFSign?

Prompts by E and MyPDFSign are both rated 5.0 out of 5 on the App Store, from 5 and 1 ratings respectively.

### Do Prompts by E or MyPDFSign have ads?

Neither Prompts by E nor MyPDFSign shows ads.

### Which is updated more often, Prompts by E or MyPDFSign?

Prompts by E ships an update every 2 months, and MyPDFSign every 4 weeks. Most recently, Prompts by E was updated on October 10, 2026 and MyPDFSign on October 25, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*