# AI Prompt Modifier vs AI Prompt Builder

The clearest difference is in-app purchases: AI Prompt Modifier at none against AI Prompt Builder's 1. AI Prompt Modifier also leads on update cadence (monthly vs every 3 months) and device support (4 vs 2). On price, ads and iOS requirement there is nothing between them.

Both are free to download. AI Prompt Builder sells 1 one-off in-app purchase. AI Prompt Modifier asks for nothing beyond the download.

AI Prompt Modifier ships an update monthly, AI Prompt Builder every 3 months. The most recent releases landed on October 30, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | AI Prompt Modifier | AI Prompt Builder |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Size | 4 MB | 6 MB |
| Requires iOS | **15.0** | 16.1 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Windmillcode LLC](https://appshunter.io/developer/1755065554) | [Eduardo Dominguez Menendez](https://appshunter.io/developer/1697629661) |

## What reviewers say

### AI Prompt Modifier

[App page](https://appshunter.io/ios/app/ai-prompt-modifier/id6736705362)

**Features:** Safari Extension

**In-app purchases:** none


### AI Prompt Builder

[App page](https://appshunter.io/ios/app/ai-prompt-builder/id6737697088)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited prompts + Remove Ads | $4.99 | one-time |


## Frequently asked questions

### Is AI Prompt Modifier free?

AI Prompt Modifier is free to download, with no in-app purchases.

### Is AI Prompt Builder free?

AI Prompt Builder is free to download, with in-app purchases available.

### Do AI Prompt Modifier or AI Prompt Builder have ads?

Neither AI Prompt Modifier nor AI Prompt Builder shows ads.

### Which is updated more often, AI Prompt Modifier or AI Prompt Builder?

AI Prompt Modifier ships an update monthly, and AI Prompt Builder every 3 months. Most recently, AI Prompt Modifier was updated on October 30, 2026 and AI Prompt Builder on October 27, 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.*