# PromptVault vs Clastly

The clearest difference is price: Clastly at Free against PromptVault's $0.99. Clastly also leads on update cadence (fortnightly vs every 7 months). PromptVault's advantage is in-app purchases (none vs 2). On ads, device support and iOS requirement there is nothing between them.

Clastly is free to download; PromptVault costs $0.99 up front. Clastly sells 2 in-app purchases, starting at $2.99 per month. PromptVault asks for nothing beyond the download.

PromptVault ships an update every 7 months, Clastly fortnightly. The most recent releases landed on October 17, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | PromptVault | Clastly |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[4.8 (4 ratings)](https://appshunter.io/ios/app/clastly-personal-database/id6757971144/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Fortnightly** |
| Monetization | — | Free |
| Size | 13 MB | 33 MB |
| Requires iOS | **18.4** | 18.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Gregory Roll](https://appshunter.io/developer/1824046797) | [Soji Takahashi](https://appshunter.io/developer/1556419842) |

## What reviewers say

### PromptVault

[App page](https://appshunter.io/ios/app/promptvault/id6751171004)

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

**In-app purchases:** none


### Clastly

[App page](https://appshunter.io/ios/app/clastly-personal-database/id6757971144)

Organize anything with custom collections and powerful field types. Track reading lists, travel memories, subscriptions, and more. Your data syncs securely via iCloud with a clean, native iOS interface.

**Highlights:** Customizable collections, Multiple field types, Pre-built templates, Data filtering, iCloud sync, Ad-free experience

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Plan (Monthly) | $2.99 | per month |
| Pro Plan (Yearly) | $19.99 | per year |


## Frequently asked questions

### Is PromptVault free?

PromptVault costs $0.99, with no in-app purchases.

### Is Clastly free?

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

### Do PromptVault or Clastly have ads?

Neither PromptVault nor Clastly shows ads.

### Which is updated more often, PromptVault or Clastly?

PromptVault ships an update every 7 months, and Clastly fortnightly. Most recently, PromptVault was updated on October 17, 2026 and Clastly on October 25, 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.*