# SmartBox Reference Guide vs Black Widow Key Machine

The clearest difference is rating: Black Widow Key Machine at 4.5 against SmartBox Reference Guide's 3.1. SmartBox Reference Guide's advantage is ratings volume (34 vs 2) and update cadence (fortnightly vs every 5 weeks). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Black Widow Key Machine holds the better App Store score, 4.5 against 3.1. That said, the two scores are not equally well evidenced: SmartBox Reference Guide has 34 ratings behind it against 2, so its average is the more settled of the two.

SmartBox Reference Guide ships an update fortnightly, Black Widow Key Machine every 5 weeks. The most recent releases landed on September 17, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | SmartBox Reference Guide | Black Widow Key Machine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.1 (34 ratings)](https://appshunter.io/ios/app/smartbox-reference-guide/id1172947942/reviews) | **[4.5 (2 ratings)](https://appshunter.io/ios/app/black-widow-key-machine/id1577877042/reviews)** |
| Number of ratings | **34** | 2 |
| Positive reviews | 62.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 5 weeks |
| Monetization | Free | Free |
| Size | 65 MB | 149 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Smart Box Technology, LLC](https://appshunter.io/developer/1172947941) | [American Key Supply](https://appshunter.io/developer/1128576890) |

## What reviewers say

### SmartBox Reference Guide

[App page](https://appshunter.io/ios/app/smartbox-reference-guide/id1172947942)

Learn programming concepts through guided lessons. This educational tool breaks down key programming ideas for understanding, not for live coding. Ideal for beginners wanting to grasp fundamental principles.

**Highlights:** Step-by-step programming guidance, Clear explanations of key concepts, Educational training tool, Focus on understanding principles, Suitable for beginners

**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 SmartBox Reference Guide free?

SmartBox Reference Guide is free to download, 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, SmartBox Reference Guide or Black Widow Key Machine?

Black Widow Key Machine is rated higher. SmartBox Reference Guide averages 3.1 out of 5 from 34 ratings, while Black Widow Key Machine averages 4.5 from 2 ratings.

### Do SmartBox Reference Guide or Black Widow Key Machine have ads?

Neither SmartBox Reference Guide nor Black Widow Key Machine shows ads.

### Which is updated more often, SmartBox Reference Guide or Black Widow Key Machine?

SmartBox Reference Guide ships an update fortnightly, and Black Widow Key Machine every 5 weeks. Most recently, SmartBox Reference Guide was updated on September 17, 2026 and Black Widow Key Machine on September 6, 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.*