SmartBox Reference Guide vs Black Widow Key Machine
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SmartBox Reference Guide
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.
- Step-by-step programming guidance
- Clear explanations of key concepts
- Educational training tool
- Focus on understanding principles
- Suitable for beginners
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Smartbox Reference Guide — Learn key programming step-by-step with clear guidance. This app is a training tool designed to help users understand and master key programming concepts — for learning only, not for actual programming.
Black Widow Key Machine
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.
- Cuts high-security keys
- Cuts edge-cut keys
- Cuts dimple keys
- Cuts tibbe keys
- Cuts tubular keys
- Bluetooth connectivity
- Cut by code functionality
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The Black Widow key machine is designed to quickly cut all keys a locksmith needs to run their business: high-security, edge-cut, dimple, tibbe, and tubular key blanks. Use your mobile device via Bluetooth to cut keys by code, duplicate, and progression your keys.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | SmartBox Reference Guide | Black Widow Key Machine |
|---|---|---|
| Price | Free | Free |
| Rating | 3.1 (34 ratings) | 4.5 (2 ratings) — better |
| Positive reviews | 62.5% of reviews | — |
| Number of ratings | 34 — better | 2 |
| Update frequency | Fortnightly — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 65 MB | 149 MB |
| Age rating | 17+ | 4+ |
| Developer | Smart Box Technology, LLC | American Key Supply |
Customer experience
SmartBox Reference Guide
Black Widow Key Machine
In-app purchases
SmartBox Reference Guide
No in-app purchases
Black Widow Key Machine
No in-app purchases
Questions
Is SmartBox Reference Guide free?
Is Black Widow Key Machine free?
Which has better reviews, SmartBox Reference Guide or Black Widow Key Machine?
Do SmartBox Reference Guide or Black Widow Key Machine have ads?
Which is updated more often, SmartBox Reference Guide or Black Widow Key Machine?
Other comparisons
