OpSense Task Checklist vs Black Widow Key Machine
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OpSense Task Checklist
Read full descriptionHide full description
OpSense Checklist is the mobile companion to the OpSense web platform enabling customers to complete checklists essential to running their food services business. Users can easily create configurable checklists that can include functionality such as recording temperatures from a compatible Bluetooth probe, checking off tasks as they are completed, and taking notes on any items that might require additional follow-up. All of the information is synced back to the OpSense web platform where the checklist results can be reviewed for day-to-day operations and stored for future audits.
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
Read full descriptionHide full description
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 iOS requirement: Black Widow Key Machine at 12.0 against OpSense Task Checklist's 16.6. On price, update cadence, ads and in-app purchases 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.
OpSense Task Checklist ships an update every 2 months, Black Widow Key Machine every 5 weeks. The most recent releases landed on October 6, 2026 and September 6, 2026 respectively.
| Parameter | OpSense Task Checklist | Black Widow Key Machine |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.5 (2 ratings) — better |
| Number of ratings | — | 2 — better |
| Update frequency | Every 2 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.6 | 12.0 — better |
| Further details — not scored | ||
| Size | 7 MB | 149 MB |
| Age rating | 4+ | 4+ |
| Developer | OPSENSE, INC. | American Key Supply |
In-app purchases
OpSense Task Checklist
No in-app purchases
Black Widow Key Machine
No in-app purchases
Questions
Is OpSense Task Checklist free?
Is Black Widow Key Machine free?
Do OpSense Task Checklist or Black Widow Key Machine have ads?
Which is updated more often, OpSense Task Checklist or Black Widow Key Machine?
Other comparisons
