# Simpler Vault vs Kaliper

The clearest difference is price: Kaliper at Free against Simpler Vault's $1.99. Kaliper also leads on iOS requirement (14.0 vs 26.0). Simpler Vault's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support there is nothing between them.

Kaliper is free to download; Simpler Vault costs $1.99 up front. Kaliper sells 1 one-off in-app purchase. Simpler Vault asks for nothing beyond the download.

Simpler Vault ships an update every 2 weeks, Kaliper every 8 months. The most recent releases landed on September 10, 2026 and August 25, 2026 respectively.

## The numbers

| Metric | Simpler Vault | Kaliper |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[4.6 (8 ratings)](https://appshunter.io/ios/app/kaliper/id1469528726/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 8 months |
| Monetization | — | Free with in-app purchases |
| Size | 2 MB | 4 MB |
| Requires iOS | 26.0 | **14.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Simpler Software](https://appshunter.io/developer/392250183) | [Farren Domenici](https://appshunter.io/developer/583666476) |

## What reviewers say

### Simpler Vault

[App page](https://appshunter.io/ios/app/simpler-vault/id1094351149)

**Features:** macOS Compatibility

**In-app purchases:** none


### Kaliper

[App page](https://appshunter.io/ios/app/kaliper/id1469528726)

Measure key cuts accurately using your device's camera. This utility helps decode keys when a physical caliper is unavailable or difficult to read. Offers predefined systems and custom measurement options for various lock types.

**Highlights:** Measure key cuts with device camera, Predefined lock systems, Custom key measurement input, Ad-free upgrade option, Supports various lock brands

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kaliper Full Version | $1.99 | one-time |


## Frequently asked questions

### Is Simpler Vault free?

Simpler Vault costs $1.99, with no in-app purchases.

### Is Kaliper free?

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

### Do Simpler Vault or Kaliper have ads?

Kaliper shows ads; Simpler Vault does not.

### Which is updated more often, Simpler Vault or Kaliper?

Simpler Vault ships an update every 2 weeks, and Kaliper every 8 months. Most recently, Simpler Vault was updated on September 10, 2026 and Kaliper on August 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*