Comparison

SenSaaS! AP vs HC Key

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

SenSaaS! AP

Streamline your organization's supplier invoice management with this intuitive mobile solution. Capture, register, and approve invoices on the go, with offline capabilities and seamless integration into your existing ERP system. Automate AP functions and reduce processing time.

Highlights
  • Capture, register, and approve supplier invoices
  • Work online and offline
  • View worklist with sort and filter options
  • Review attached PDF invoices and GL Cost Center information
  • Bulk invoice operations
  • Accounting integration with major ERP systems
Features
Read full description

The SenSaaS! AP Management provides a simple and intuitive end-to-end solution for any organization looking to simplify the suppliers' invoices management and automate AP functions. Use the SenSaaS! AP Mobile to capture, register and approve supplier invoices. The app allows simple, rapid and easy approval of the invoices. It can work online and offline. Users also can approve invoices via a web interface. Behind the scenes, the SenSaaS Web Portal provides accounting staff with unparalleled tools to improve the workflow of your purchase to pay (P2P) process. Finally, approved invoices are automatically imported into your ERP of choice, greatly reducing processing time and freeing up valuable resources at all levels of your organization. Features: - Quickly review and approve invoices - View the worklist of invoices to be approved. Sort and filter. - View the attached PDF invoice. - View comments, view GL Cost Center information. - Other invoices (not approved, require more analysis) are transferred to the SenSaaS! web interface via the button “not now”. - Bulk operations: approve all invoices, “not now” for all invoices. - User-friendly mobile - Accounting integration (Sage, Microsoft Dynamics, SAP One, EPICOR, Acomba, Oracle….and more) - And more

About

HC Key

This app allows you to use your smartphone to unlock doors, eliminating the need for physical credentials. It offers an easy-to-use interface for swift access and enables temporary access for visitors.

Highlights
  • Unlock doors with smartphone
  • Replace physical credentials
  • Easy user registration
  • Grant temporary visitor access
  • Customize visitor access duration
  • Visitor access without app installation
Features
Read full description

HC Key opens all the doors to your favourite places! Hartmann’s HC Key application eliminates the need to carry physical credentials and allows you to unlock doors swiftly and with ease, using your smartphone. KEY FEATURES - HC Key offers an easy to use and interactive interface that makes unlocking doors effortless. - User registration on the HC Key application is easy and takes only seconds. - Replace traditional credentials by using your smartphone. - Grant temporary access to visitors for a predetermined time frame and amount of uses. - Visitors are not required to have the HC Key application installed to use their visitor credentials. VISITOR ACCESS HC Key allows you to create, customize, and grant visitor access credentials directly in the application. Determine the time frame and amount of use for the credential then share this with the visitor. Visitors are not required to have the HC Key application installed to use their credentials. Administrators have the ability to allow or deny users from granting visitors access as well as revoking a visitor pass after it is issued. HOW IT WORKS - HC Key only works with the PROTECTOR.Net software system. - Registration requires users to request credentials from their system administrator. If you’re interested in using HC Key in your company please visit www.hartmann-controls.com to learn more about our access control system.

Screenshots

SenSaaS! AP3 screens
HC Key3 screens

Verdict

The call

The clearest difference is ads: SenSaaS! AP at none against HC Key's shown. SenSaaS! AP also leads on monetization model (free vs ad-supported) and update cadence (every 2 months vs every 5 months). HC Key's advantage is review sentiment (100% vs 67%) and iOS requirement (13.4 vs 15.0). On price, in-app purchases and device support 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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

SenSaaS! AP ships an update every 2 months, HC Key every 5 months. The most recent releases landed on October 16, 2026 and October 30, 2026 respectively.

Scorecard5 real differences · 5 level
SenSaaS! AP versus HC Key: the parameters behind the verdict, then further details
ParameterSenSaaS! APHC Key
PriceFreeFree
Rating—4.4 (121 ratings) — better
Positive reviews66.7% of reviews100.0% of reviews — better
Number of ratings—121 — better
Update frequencyEvery 2 months — betterEvery 5 months
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.4 — better
Further details — not scored
Size47 MB29 MB
Age rating4+4+
DeveloperGroupe Conseil INTEGRIM Inc, leHartmann Controls Corp

Customer experience

SenSaaS! AP

Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

HC Key

All ratings70 ratings
Positive88.6%
Neutral1.4%
Negative10.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

SenSaaS! AP

No in-app purchases

None

HC Key

No in-app purchases

Questions

Is SenSaaS! AP free?
SenSaaS! AP is free to download, with no in-app purchases.
Is HC Key free?
HC Key is free to download, with no in-app purchases.
Do SenSaaS! AP or HC Key have ads?
HC Key shows ads; SenSaaS! AP does not.
Which is updated more often, SenSaaS! AP or HC Key?
SenSaaS! AP ships an update every 2 months, and HC Key every 5 months. Most recently, SenSaaS! AP was updated on October 16, 2026 and HC Key on October 30, 2026.

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