# Preloop vs KeyVault Studio

The clearest difference is update cadence: KeyVault Studio at daily against Preloop's every 3 months. Preloop's advantage is iOS requirement (18.2 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.

Preloop ships an update every 3 months, KeyVault Studio daily. The most recent releases landed on October 11, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Preloop | KeyVault Studio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/preloop/id6757803021/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Daily** |
| Monetization | Free | — |
| Size | 4 MB | 35 MB |
| Requires iOS | **18.2** | 26.0 |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Spacecode AI Inc](https://appshunter.io/developer/1854261683) | [Stephan Bail](https://appshunter.io/developer/1836130527) |

## What reviewers say

### Preloop

[App page](https://appshunter.io/ios/app/preloop/id6757803021)

This app acts as a human approval layer for AI agents, intercepting risky actions and routing them for your one-tap approval. It allows AI to handle routine tasks while you maintain control over critical decisions, ensuring compliance and an audit trail.

**Highlights:** Human approval for AI actions, Instant notifications with context, One-tap approve/decline, Audit trail for compliance, Risk-based policy enforcement, Works with Claude and Cursor

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### KeyVault Studio

[App page](https://appshunter.io/ios/app/keyvault-studio/id6759035356)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Preloop free?

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

### Is KeyVault Studio free?

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

### Do Preloop or KeyVault Studio have ads?

Neither Preloop nor KeyVault Studio shows ads.

### Which is updated more often, Preloop or KeyVault Studio?

Preloop ships an update every 3 months, and KeyVault Studio daily. Most recently, Preloop was updated on October 11, 2026 and KeyVault Studio 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.*