# Dialnostics vs Black Widow Key Machine

The clearest difference is price: Black Widow Key Machine at Free against Dialnostics's $5.99. Black Widow Key Machine also leads on update cadence (every 5 weeks vs every 7 months). Dialnostics's advantage is rating (5.0 vs 4.5). On ratings volume, ads, in-app purchases and device support there is nothing between them.

Black Widow Key Machine is free to download; Dialnostics costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Dialnostics holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 5 and 2 respectively.

Dialnostics ships an update every 7 months, Black Widow Key Machine every 5 weeks. The most recent releases landed on September 7, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | Dialnostics | Black Widow Key Machine |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/dialnostics/id662583874/reviews)** | [4.5 (2 ratings)](https://appshunter.io/ios/app/black-widow-key-machine/id1577877042/reviews) |
| Number of ratings | **5** | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 5 weeks** |
| Monetization | Paid | **Free** |
| Size | 1 MB | 149 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Farren Domenici](https://appshunter.io/developer/583666476) | [American Key Supply](https://appshunter.io/developer/1128576890) |

## What reviewers say

### Dialnostics

[App page](https://appshunter.io/ios/app/dialnostics/id662583874)

This tool automates standard dialing diagnostic techniques for safe combinations. Input the current combination to see possible new combinations based on common lock issues like user error, loose dials, or stuck mechanisms. It also offers random combination generation and customization options.

**Highlights:** Automated dialing diagnostics, Possible new combination generation, Mark tried combinations, User error combination reveal, Loose dial ring reveal, Stuck fly reveal, Loose spline key reveal, Random combo generator

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

**In-app purchases:** none


### Black Widow Key Machine

[App page](https://appshunter.io/ios/app/black-widow-key-machine/id1577877042)

This mobile tool allows locksmiths to quickly cut various types of keys, including high-security, edge-cut, dimple, tibbe, and tubular blanks. It connects via Bluetooth to a mobile device for cutting keys by code, duplicating, and progression.

**Highlights:** Cuts high-security keys, Cuts edge-cut keys, Cuts dimple keys, Cuts tibbe keys, Cuts tubular keys, Bluetooth connectivity, Cut by code functionality

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Dialnostics free?

Dialnostics costs $5.99, with no in-app purchases.

### Is Black Widow Key Machine free?

Black Widow Key Machine is free to download, with no in-app purchases.

### Which has better reviews, Dialnostics or Black Widow Key Machine?

Dialnostics is rated higher. Dialnostics averages 5.0 out of 5 from 5 ratings, while Black Widow Key Machine averages 4.5 from 2 ratings.

### Do Dialnostics or Black Widow Key Machine have ads?

Neither Dialnostics nor Black Widow Key Machine shows ads.

### Which is updated more often, Dialnostics or Black Widow Key Machine?

Dialnostics ships an update every 7 months, and Black Widow Key Machine every 5 weeks. Most recently, Dialnostics was updated on September 7, 2026 and Black Widow Key Machine on September 6, 2026.

---

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