# Kaliper vs TilleyApp

The clearest difference is in-app purchases: TilleyApp at none against Kaliper's 1. TilleyApp also leads on ads (none vs shown) and update cadence (monthly vs every 8 months). Kaliper's advantage is ratings volume (8 vs 1). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Kaliper sells 1 one-off in-app purchase. TilleyApp asks for nothing beyond the download.

TilleyApp holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Kaliper has 8 ratings behind it against 1, so its average is the more settled of the two.

Kaliper ships an update every 8 months, TilleyApp monthly. The most recent releases landed on October 10, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Kaliper | TilleyApp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (8 ratings)](https://appshunter.io/ios/app/kaliper/id1469528726/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tilleyapp/id6745531770/reviews)** |
| Number of ratings | **8** | 1 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 8 months | **Monthly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 4 MB | 29 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Farren Domenici](https://appshunter.io/developer/583666476) | [david solomon](https://appshunter.io/developer/1812784262) |

## What reviewers say

### 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 |


### TilleyApp

[App page](https://appshunter.io/ios/app/tilleyapp/id6745531770)

Easily find and manage iron certificates by scanning QR codes or searching a historical database. Build lists, assign ownership, and share certificate details with anyone globally.

**Highlights:** Scan QR codes for certificates, Search historical certificate database, Build lists of certificates, Assign iron ownership and history, Share certificates via direct link, Tag certificates

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Kaliper free?

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

### Is TilleyApp free?

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

### Which has better reviews, Kaliper or TilleyApp?

TilleyApp is rated higher. Kaliper averages 4.6 out of 5 from 8 ratings, while TilleyApp averages 5.0 from 1 ratings.

### Do Kaliper or TilleyApp have ads?

Kaliper shows ads; TilleyApp does not.

### Which is updated more often, Kaliper or TilleyApp?

Kaliper ships an update every 8 months, and TilleyApp monthly. Most recently, Kaliper was updated on October 10, 2026 and TilleyApp on October 14, 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.*