# PromptKit vs Marten

The clearest difference is in-app purchases: Marten at none against PromptKit's 2. On price, update cadence, ads and device support there is nothing between them.

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

PromptKit ships an update every 4 days, Marten weekly. The most recent releases landed on September 13, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | PromptKit | Marten |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Weekly |
| Size | 18 MB | 15 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Mario Pek](https://appshunter.io/developer/1864898477) | [joseph hamawi](https://appshunter.io/developer/1854729220) |

## What reviewers say

### PromptKit

[App page](https://appshunter.io/ios/app/promptkit-ai-prompt-manager/id6760126321)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Promptkit Pro | $2.99 | per month |
| Promptkit Pro Lifetime | $29.99 | one-time |


### Marten

[App page](https://appshunter.io/ios/app/marten-markdown-code-notes/id6782895141)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is PromptKit free?

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

### Is Marten free?

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

### Do PromptKit or Marten have ads?

Neither PromptKit nor Marten shows ads.

### Which is updated more often, PromptKit or Marten?

PromptKit ships an update every 4 days, and Marten weekly. Most recently, PromptKit was updated on September 13, 2026 and Marten on September 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.*