Prompts by E vs AI Prompt Modifier
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
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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/
AI Prompt Modifier
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### Transform Your AI Interactions with AI Prompt Modifier The AI Prompt Modifier extension enhances AI interactions by allowing you to customize, save, and manage prompt templates easily. Improve productivity with seamless modifications and tailored responses across multiple AI models. ### Key Features - Seamless Prompt Customization – Add prefixes and suffixes to streamline responses - Group Management – Organize and access prompt modifications easily - Import and Export – Share your custom prompt groups or sync settings across devices - Undo Modifications – Revert to the original prompt with one click - User Friendly Interface – Clean and intuitive design for quick customization Now Supporting More AI Models Works with ChatGPT, DeepSeek Chat, DeepAI Chat, Google Gemini, Meta AI, Claude AI, Perplexity AI, Hugging Face Chat, YouChat, Poe by Quora, Pi by Inflection AI, and Kuki AI Upgrade your AI experience today with AI Prompt Modifier
Screenshots
Verdict
The clearest difference is in-app purchases: AI Prompt Modifier at none against Prompts by E's 1. AI Prompt Modifier also leads on device support (4 vs 2) and iOS requirement (15.0 vs 26.0). On price, update cadence and ads 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. AI Prompt Modifier asks for nothing beyond the download.
Prompts by E ships an update every 2 months, AI Prompt Modifier monthly. The most recent releases landed on June 24, 2026 and August 28, 2026 respectively.
| Parameter | Prompts by E | AI Prompt Modifier |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (5 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 2 months | Monthly — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 26.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 18 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | E-String Technologies, Inc. | Windmillcode LLC |
In-app purchases
Prompts by E
- Prompts Pro Monthly$0.991 Month
AI Prompt Modifier
No in-app purchases
Questions
Is Prompts by E free?
Is AI Prompt Modifier free?
Do Prompts by E or AI Prompt Modifier have ads?
Which is updated more often, Prompts by E or AI Prompt Modifier?
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