# Prompt Studio AI vs Duebase

The clearest difference is in-app purchases: Prompt Studio AI at none against Duebase's 2. Prompt Studio AI also leads on update cadence (weekly vs fortnightly). Duebase's advantage is iOS requirement (16.4 vs 18.6). On price, ads and device support there is nothing between them.

Both are free to download. Duebase sells 2 in-app purchases, starting at $2.99 per month. Prompt Studio AI asks for nothing beyond the download.

Prompt Studio AI ships an update weekly, Duebase fortnightly. The most recent releases landed on October 16, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Prompt Studio AI | Duebase |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/prompt-studio-ai/id6759345370/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Fortnightly |
| Monetization | Free | — |
| Size | 19 MB | 61 MB |
| Requires iOS | 18.6 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Quick One B.V.](https://appshunter.io/developer/1875321036) | [Daulyn Rosado](https://appshunter.io/developer/6790672483) |

## What reviewers say

### Prompt Studio AI

[App page](https://appshunter.io/ios/app/prompt-studio-ai/id6759345370)

Organize and retrieve your AI prompts and their associated outputs. Save prompt text, attach references, link generated media, and search your entire library instantly. Ideal for creatives and teams managing AI-generated content.

**Highlights:** Visual prompt library, Markdown editing and autosave, Attach reference files, Link AI outputs, Nested folder organization, Chain prompts into collections, Import from X and Reddit

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

**In-app purchases:** none


### Duebase

[App page](https://appshunter.io/ios/app/duebase/id6790672481)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Duebase Pro Monthly | $2.99 | per month |
| Duebase Pro Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is Prompt Studio AI free?

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

### Is Duebase free?

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

### Do Prompt Studio AI or Duebase have ads?

Neither Prompt Studio AI nor Duebase shows ads.

### Which is updated more often, Prompt Studio AI or Duebase?

Prompt Studio AI ships an update weekly, and Duebase fortnightly. Most recently, Prompt Studio AI was updated on October 16, 2026 and Duebase on October 10, 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.*