# Prompt Safe vs Obsideck

The clearest difference is update cadence: Prompt Safe at every 2 days against Obsideck's every 2 months. Prompt Safe also leads on iOS requirement (17 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Prompt Safe ships an update every 2 days, Obsideck every 2 months. Both last shipped on October 10, 2026.

## The numbers

| Metric | Prompt Safe | Obsideck |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/obsideck/id6780370405/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 2 months |
| Monetization | — | Paid |
| Size | 13 MB | 4 MB |
| Requires iOS | **17** | 26.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [The K Media](https://appshunter.io/developer/1852686689) | [Shota Hori](https://appshunter.io/developer/1442007331) |

## What reviewers say

### Prompt Safe

[App page](https://appshunter.io/ios/app/prompt-safe/id6758128310)

**Features:** macOS Compatibility

**In-app purchases:** none


### Obsideck

[App page](https://appshunter.io/ios/app/obsideck/id6780370405)

A casual Markdown note-taking app for iPhone and iPad that displays your notes as a grid of cards. It allows for quick previews, following links and tags, and editing with a focused editor, all while respecting your privacy.

**Highlights:** Card grid for casual browsing, Rich Markdown preview, Wiki link navigation, Tappable tags, Interactive task lists, Focused Markdown editor, Privacy-focused, no account needed

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

**In-app purchases:** none


## Frequently asked questions

### Is Prompt Safe free?

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

### Is Obsideck free?

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

### Do Prompt Safe or Obsideck have ads?

Neither Prompt Safe nor Obsideck shows ads.

### Which is updated more often, Prompt Safe or Obsideck?

Prompt Safe ships an update every 2 days, and Obsideck every 2 months. Most recently, Prompt Safe was updated on October 10, 2026 and Obsideck 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.*