# AIPromptNote vs Prompts by E

The clearest difference is in-app purchases: AIPromptNote at none against Prompts by E's 1. AIPromptNote also leads on iOS requirement (18.0 vs 26.0). Prompts by E's advantage is ads (none vs shown). On price, review sentiment, update cadence and device support there is nothing between them.

Both are free to download. Prompts by E sells 1 in-app purchase, starting at $0.99 per month. AIPromptNote asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 15, 2026 and June 24, 2026 respectively.

## The numbers

| Metric | AIPromptNote | Prompts by E |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/prompts-by-e-string/id6450276417/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 31 MB | 18 MB |
| Requires iOS | **18.0** | 26.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Daisuke Katayama](https://appshunter.io/developer/1102066592) | [E-String Technologies, Inc.](https://appshunter.io/developer/294199643) |

## What reviewers say

### AIPromptNote

[App page](https://appshunter.io/ios/app/aipromptnote/id6449469656)

Streamline AI chatbot prompt creation and management. Split prompts into instructions and content, duplicate existing prompts with one click, and easily share your creations with others. This tool helps you maximize AI potential.

**Highlights:** Split entry for instructions and content, One-click prompt duplication, Prompt sharing functionality, Streamlined prompt management, Supports AI chatbot development

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is AIPromptNote free?

AIPromptNote is free to download, with no in-app purchases.

### Is Prompts by E free?

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

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

AIPromptNote shows ads; Prompts by E does not.

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

AIPromptNote ships an update every 2 months, and Prompts by E every 2 months. Most recently, AIPromptNote was updated on September 15, 2026 and Prompts by E on June 24, 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.*