# Duplify vs PromptCodex

The clearest difference is in-app purchases: Duplify at none against PromptCodex's 2. Duplify also leads on update cadence (fortnightly vs every 2 months) and iOS requirement (16.6 vs 26.2). On price, ads and device support there is nothing between them.

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

Duplify ships an update fortnightly, PromptCodex every 2 months. The most recent releases landed on October 2, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Duplify | PromptCodex |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (3 ratings)](https://appshunter.io/ios/app/promptcodex-ai-library/id6763639533/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | — | Free with in-app purchases |
| Size | 342 MB | 75 MB |
| Requires iOS | **16.6** | 26.2 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Movement Makerz Kft.](https://appshunter.io/developer/1850466563) | [Life Utility Apps, LLC](https://appshunter.io/developer/1721977600) |

## What reviewers say

### Duplify

[App page](https://appshunter.io/ios/app/duplify/id6754845135)

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

**In-app purchases:** none


### PromptCodex

[App page](https://appshunter.io/ios/app/promptcodex-ai-library/id6763639533)

Manage and reuse AI prompts for various language models in a structured library. Create dynamic prompts with variables, save variants, and track usage. All data remains on your device for enhanced privacy.

**Highlights:** Organize prompts with folders, categories, and tags, Create dynamic prompts with placeholders, Save and compare prompt variants, Browse and import curated sample prompts, Track prompt copy counts and usage, Offline functionality and device-only data storage, Secure with Face ID/Touch ID

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Lifetime Access | $14.99 | one-time |


## Frequently asked questions

### Is Duplify free?

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

### Is PromptCodex free?

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

### Do Duplify or PromptCodex have ads?

Neither Duplify nor PromptCodex shows ads.

### Which is updated more often, Duplify or PromptCodex?

Duplify ships an update fortnightly, and PromptCodex every 2 months. Most recently, Duplify was updated on October 2, 2026 and PromptCodex on September 30, 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.*